Thursday, March 30, 2023

Vicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* ChatGPT Quality | by the Team with members from UC Berkeley, CMU, Stanford, and UC San Diego

Vicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* ChatGPT Quality | by the Team with members from UC Berkeley, CMU, Stanford, and UC San Diego

This ChatGPT rival is free, open source, and available now | Digital Trends

This ChatGPT rival is free, open source, and available now | Digital Trends

digitaltrends.com

This ChatGPT rival is free, open source, and available now | Digital Trends

By Alan Truly March 30, 2023 1:38PM

The first open-source AI chatbot in the vein of ChatGPT has arrived, and it’s come at a particularly helpful time. ColossalChat is a powerful alternative that uses an RHLF pipeline similar to OpenAI’s GPT-4 model that powers ChatGPT, and it’s available for immediate use.

ChatGPT, of course, remains the premier AI chatbot and keeps plenty busy. But I just tried to log in now and found it was at capacity and, therefore, unavailable. This is a common problem with the service. ColossalChat, on the other hand, is wide open and ready to use for free.

A ColossalChat poem about ChatGPT appears on a MacBook screen.
A ColossalChat poem about ChatGPT appears on a MacBook screen. Photo by Alan Truly

This new AI chatbot can write code, respond intelligently to requests, and converse like OpenAI’s solution. You can try it out at chat.colossalai.org for free, and you don’t even need to log in or create an account.

A quick test of ColossalChat’s safeguards revealed that it has some, but it is more relaxed than ChatGPT. It didn’t want to talk about bombs, yet it did share advice about cheap cigarettes.

According to a Medium post by one of its developers, Yang You, ColossalChat’s Coati large language model is based on LLaMA, Meta’s open-source large language model, then refined to respond in a way that is more like ChatGPT. In fact, You exclaims that ColossalChat is “the closest project to the original technical route of ChatGPT.”

LLaMA can be used directly if you can build the project on your computer. However, its results won’t be quite as engaging as those of ChatGPT or Colossal.

RHLF is an essential feature of ColossalChat and ChatGPT. It means reinforcement learning from human feedback, similar to how animals are taught to perform tricks. When the AI response is appropriate, it’s rewarded, which helps the network understand human preferences.

It’s too soon to know if ColossalChat is comparable to ChatGPT’s latest release, which used GPT-3.5 and could only process text. OpenAI’s latest update brings multimodal input, allowing images to be uploaded to help visually inform the chatbot about what you are trying to do or the question you are asking.

Microsoft’s BingChat is another ChatGPT alternative, and it uses GPT-4 for text input and responses. Bing Chat can also generate images now, via a feature called Bing Image Creator.

It’s unlikely that ColossalChat will surpass ChatGPT in breadth or capabilities, or in popularity, but it’s good to have alternatives, especially when ChatGPT hits capacity.

Editors' Recommendations

ChatGPT just plugged itself into the internet. What happens next?

OpenAI's website open on a MacBook, showing ChatGPT plugins.

OpenAI just announced that ChatGPT is getting even more powerful with plugins that allow the AI to access portions of the internet. This expansion could simplify tasks like shopping and planning trips without the need to access various websites for research.

This new web integration is in testing with select partners at the moment. The list includes Expedia, FiscalNote, Instacart, Kayak, Klarna, Milo, OpenTable, Shopify, Slack, Speak, Wolfram, and Zapier.

Read more

ChatGPT vs. Bing Chat: which is the best AI chatbot?

Bing Chat shown on a laptop.

Bing Chat and ChatGPT are two of the latest natural language chatbots to become widely available, and both are competing for your attention and text prompts. Both AIs are based on similar language models, but there are some distinct differences between them, making the ChatGPT versus Bing Chat debate one well worth having.

If you want to play around with these two exciting tools, here's everything you need to know to pick the right one for you.

Read more

Bing Chat: how to use Microsoft’s own version of ChatGPT

Bing Chat shown on a laptop.

Microsoft has added AI to its Edge browser and Bing search engine, and it's powered by the same advanced technology that OpenAI used to create ChatGPT. It's also available in mobile apps, enabling AI interaction by voice.

Here's how to sign up and use Bing Chat today.
How to get Bing Chat

Read more

 Large language models like GPT-3 and BERT use deep learning techniques combined with natural language processing (NLP) algorithms in order to process and generate human language text. They consist of multiple layers of neurons which are connected together by weights. During training, these models learn from examples given to them through backpropagation algorithm. This involves adjusting the weights based on errors made during testing. The goal is to minimize overall error rate across all tasks. Additionally, regularization methods can be used to prevent overfitting. For more information about this topic, check out the following links: https://www.tensorflow.org/tutorials/text/overview_of_language_models http://www.cs.cornell.edu/~bengio/papers/deep-learning.pdf

Backpropagation is an optimization technique used within neural networks to update the network parameters. It works by propagating the derivatives of each layer backwards towards the input layer. Regularization methods involve adding constraints or penalties onto certain parts of the model in order to reduce its complexity. Overfitting occurs when a machine learning model has been trained too heavily on specific data points, resulting in poor generalizability. To avoid it, various techniques such as early stopping and dropout have been developed. You may find further explanation here: https://en.wikipedia.org/wiki/Deep_learning#Optimization_techniques

ChatGPT 4.0 is a natural language processing (NLP) model designed to understand and generate human-like text conversations. The latest version, GPT-4, was released in June 2021 with improved accuracy compared to previous versions. Unlike other models like BERT, GPT-4 does not require any additional training data beyond what is provided during deployment. This means that developers can use pre-trained models directly without having to provide their own datasets. For example, if one wanted to create a chatbot capable of understanding and generating English conversation, they could simply deploy a GPT-4 model and let it learn through interaction with humans. Additionally, since GPT-4 is based off of TensorFlow, there are many different libraries available online to help develop applications using this technology.

To ensure accurate predictions by a machine learning model, testing should include both internal tests as well as external validation. Internal tests involve checking for errors within the code itself while validating against known data sets. External validation involves running the model on unseen data and comparing its output to expected values. Both types of tests should be conducted regularly to identify potential issues before releasing the model into production. Automation tools such as Selenium can also be used to run regression tests periodically to detect changes over time. Finally, A/B testing can be employed to compare two versions of the same model and determine which produces more accurate results. By combining these techniques, organizations can effectively eliminate incorrect results and improve overall performance.

digitaltrends.com

ChatGPT comes to life, powering holographic AI companion | Digital Trends

By Fionna Agomuoh March 30, 2023 12:52PM

Watch ChatGPT come to life by powering this holographic AI companion

ChatGPT is quickly being developed beyond its standard functionality on browsers and computer-based programs. One company has even created a “holographic AI companion” that uses the chatbot to bring its vision to life.

The company called Looking Glass recently shared on Twitter several demos of people interacting with its holographic AI companion, called Uncle Rabbit, which is able to communicate back-and-forth in real time with humans, while also completing tasks that people request.

In one demo, the person begins interacting with the holographic AI companion and it starts with a polite introduction. Being a rabbit, it quips, “what brings you hopping by today?” The demonstrator then asks for it to identify and finish a song by reciting some of the lyrics. After a short pause, it is able to respond in a conversational tone that the song is the “Talking Heads classic This Must Be The Place.” Then it recites the next line, while the song plays on a nearby laptop, to which it’s presumably connected.

At first, many people might assume the holographic AI companion is just another version of a smart assistant, such as Amazon Alexa or Google Assistant. However, people in the comments of one tweet noted that smart assistants can only provide information and perform tasks when asked. Meanwhile, in addition to executing tasks a user prompts, Uncle Rabbit has the ability to hold a conversation, while also learning and improving its own skill set.

Another demo showed a person conversing with Uncle Rabbit about carrots, the company Looking Glass, and what it’s like to be a holographic AI. At first, Uncle Rabbit thought Looking Glass was a mirror, but with a further explanation from the demonstrator, it was able to differentiate between the object and the company. It is also interesting that the AI spoke out its actions, such as “munching on carrots with great gusto.” Its “Doc” references were clearly also a nod to Bugs Bunny.

In yet another demo, similar to the first, Looking Glass CEO Shawn Frayne asks the holographic AI to complete the lyrics to the Rick Astley song Never Gonna Give You Up, in an attempt to stump it. However, Uncle Rabbit is not impressed and begins making it up own rabbit-centric lyrics for the prank tune.

Looking Glass describes itself as “a team of inventors, artists, and engineers committed to building a hologram future for creators and artists around the world.” The Brooklyn-based company was founded in 2014 and also works out of Hong Kong. It introduced its desktop holographic developer kit in 2018.

Editors' Recommendations

ChatGPT just plugged itself into the internet. What happens next?

OpenAI's website open on a MacBook, showing ChatGPT plugins.

OpenAI just announced that ChatGPT is getting even more powerful with plugins that allow the AI to access portions of the internet. This expansion could simplify tasks like shopping and planning trips without the need to access various websites for research.

This new web integration is in testing with select partners at the moment. The list includes Expedia, FiscalNote, Instacart, Kayak, Klarna, Milo, OpenTable, Shopify, Slack, Speak, Wolfram, and Zapier.

Read more

ChatGPT vs. Bing Chat: which is the best AI chatbot?

Bing Chat shown on a laptop.

Bing Chat and ChatGPT are two of the latest natural language chatbots to become widely available, and both are competing for your attention and text prompts. Both AIs are based on similar language models, but there are some distinct differences between them, making the ChatGPT versus Bing Chat debate one well worth having.

If you want to play around with these two exciting tools, here's everything you need to know to pick the right one for you.

Read more

Bing Chat: how to use Microsoft’s own version of ChatGPT

Bing Chat shown on a laptop.

Microsoft has added AI to its Edge browser and Bing search engine, and it's powered by the same advanced technology that OpenAI used to create ChatGPT. It's also available in mobile apps, enabling AI interaction by voice.

Here's how to sign up and use Bing Chat today.
How to get Bing Chat

Read more 

Vicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* ChatGPT Quality | by the Team with members from UC Berkeley, CMU, Stanford, and UC San Diego 

We introduce Vicuna-13B, an open-source chatbot trained by fine-tuning LLaMA on user-shared conversations collected from ShareGPT. Preliminary evaluation using GPT-4 as a judge shows Vicuna-13B achieves more than 90%* quality of OpenAI ChatGPT and Google Bard while outperforming other models like LLaMA and Stanford Alpaca in more than 90%* of cases. The cost of training Vicuna-13B is around $300. The training and serving code, along with an online demo, are publicly available for non-commercial use.

Overview

The rapid advancement of large language models (LLMs) has revolutionized chatbot systems, resulting in unprecedented levels of intelligence as seen in OpenAI’s ChatGPT. However, despite its impressive performance, the training and architecture details of ChatGPT remain unclear, hindering research and open-source innovation in this field. Inspired by the Meta LLaMA and Stanford Alpaca project, we introduce Vicuna-13B, an open-source chatbot backed by an enhanced dataset and an easy-to-use, scalable infrastructure. By fine-tuning a LLaMA base model on user-shared conversations collected from ShareGPT.com, Vicuna-13B has demonstrated competitive performance compared to other open-source models like Stanford Alpaca. This blog post provides a preliminary evaluation of Vicuna-13B’s performance and describes its training and serving infrastructure. We also invite the community to interact with our online demo to test the capabilities of this chatbot.

Overview Figure 2. Workflow Overview

Figure 2 provides an overview of our work. To begin, we collected around 70K conversations from ShareGPT.com, a website where users can share their ChatGPT conversations. Next, we enhanced the training scripts provided by Alpaca to better handle multi-round conversations and long sequences. The training was done with PyTorch FSDP on 8 A100 GPUs in one day. For serving the demo, we implemented a lightweight distributed serving system. We conducted a preliminary evaluation of the model quality by creating a set of 80 diverse questions and utilizing GPT-4 to judge the model outputs. To compare two different models, we combine the outputs from each model into a single prompt for each question. The prompts are then sent to GPT-4, which assesses which model provides better responses. A detailed comparison of LLaMA, Alpaca, ChatGPT, and Vicuna is shown in Table 1 below.

Table 1. Comparison between several notable models

Model Name LLaMA Alpaca Vicuna Bard/ChatGPT
Dataset Publicly available datasets
(1T token)
Self-instruct from davinci-003 API
(52K samples)
User-shared conversations
(70K samples)
N/A
Training code N/A Available Available N/A
Evaluation metrics Academic benchmark Author evaluation GPT-4 assessment Mixed
Training cost
(7B)
82K GPU-hours $500 (data) + $100 (training) $140 (training) N/A
Training cost
(13B)
135K GPU-hours N/A $300 (training) N/A

Training

Vicuna is created by fine-tuning a LLaMA base model using approximately 70K user-shared conversations gathered from ShareGPT.com with public APIs. To ensure data quality, we convert the HTML back to markdown and filter out some inappropriate or low-quality samples. Additionally, we divide lengthy conversations into smaller segments that fit the model’s maximum context length.

Our training recipe builds on top of Stanford’s alpaca with the following improvements.

  • Memory Optimizations: To enable Vicuna’s understanding of long context, we expand the max context length from 512 in alpaca to 2048, which substantially increases GPU memory requirements. We tackle the memory pressure by utilizing gradient checkpointing and flash attention.
  • Multi-round conversations: We adjust the training loss to account for multi-round conversations and compute the fine-tuning loss solely on the chatbot’s output.
  • Cost Reduction via Spot Instance: The 40x larger dataset and 4x sequence length for training poses a considerable challenge in training expenses. We employ SkyPilot managed spot to reduce the cost by leveraging the cheaper spot instances with auto-recovery for preemptions and auto zone switch. This solution slashes costs for training the 7B model from $500 to around $140 and the 13B model from around $1K to $300.

Serving

We build a serving system that is capable of serving multiple models with distributed workers. It supports flexible plug-in of GPU workers from both on-premise clusters and the cloud. By utilizing a fault-tolerant controller and managed spot feature in SkyPilot, this serving system can work well with cheaper spot instances from multiple clouds to reduce the serving costs. It is currently a lightweight implementation and we are working on integrating more of our latest research into it.

How To Evaluate a Chatbot?

Evaluating AI chatbots is a challenging task, as it requires examining language understanding, reasoning, and context awareness. With AI chatbots becoming more advanced, current open benchmarks may no longer suffice. For instance, the evaluation dataset used in Stanford’s Alpaca, self-instruct, can be effectively answered by SOTA chatbots, making it difficult for humans to discern differences in performance. More limitations include training/test data contamination and the potentially high cost of creating new benchmarks. To tackle these issues, we propose an evaluation framework based on GPT-4 to automate chatbot performance assessment.

First, we devised eight question categories, such as Fermi problems, roleplay scenarios, and coding/math tasks, to test various aspects of a chatbot’s performance. Through careful prompt engineering, GPT-4 is able to generate diverse, challenging questions that baseline models struggle with. We select ten questions per category and collect answers from five chatbots: LLaMA, Alpaca, ChatGPT, Bard, and Vicuna. We then ask GPT-4 to rate the quality of their answers based on helpfulness, relevance, accuracy, and detail. We discover that GPT-4 can produce not only relatively consistent scores but also detailed explanations on why such scores are given (detailed examples link).

response comparison Figure 3. Response Comparison Assessed by GPT-4

Figure 3 displays the comparison results between all baselines and Vicuna. GPT-4 prefers Vicuna over state-of-the-art open-source models (LLaMA, Alpaca) in more than 90% of the questions, and it achieves competitive performance against proprietary models (ChatGPT, Bard). In 45% of the questions, GPT-4 rates Vicuna’s response as better or equal to ChatGPT’s, and Vicuna’s total score reaches 92% of ChatGPT’s (see Table 2). Despite advancements, those chatbots still face limitations, such as struggling with basic math problems or limited coding ability.

Table 2. Response Scores Assessed by GPT-4

Baseline Baseline Score Vicuna Score
LLaMA-13B 513.0 694.0
Alpaca-13B 583.0 704.0
Bard 664.0 655.5
ChatGPT 693.0 638.0


While this proposed evaluation framework demonstrates the potential for assessing chatbots, it is not yet a rigorous or mature approach, as large language models are prone to hallucinate. Developing a comprehensive, standardized evaluation system for chatbots remains an open question requiring further research.

Limitations

We have noticed that, similar to other large language models, Vicuna has certain limitations. For instance, it is not good at tasks involving reasoning or mathematics, and it may have limitations in accurately identifying itself or ensuring the factual accuracy of its outputs. Additionally, it has not been sufficiently optimized to guarantee safety or mitigate potential toxicity or bias. To address the safety concerns, we use the OpenAI moderation API to filter out inappropriate user inputs in our online demo. Nonetheless, we anticipate that Vicuna can serve as an open starting point for future research to tackle these limitations.

Release

In our first release, we will share the training, serving, and evaluation code. We plan to release the model weights by providing a version of delta weights that build on the original LLaMA weights, but we are still figuring out a proper way to do so. Join our Discord server and follow our Twitter to get the latest updates.

License

The online demo is a research preview intended for non-commercial use only, subject to the model License of LLaMA, Terms of Use of the data generated by OpenAI, and Privacy Practices of ShareGPT. Please contact us If you find any potential violation.
The code is released under the Apache License 2.0.

The Team

This is a joint effort with collaborators from multiple institutions, including UC Berkeley, CMU, Stanford, and UC San Diego.

Students (alphabetical order):
Wei-Lin Chiang, Zhuohan Li, Zi Lin, Ying Sheng, Zhanghao Wu, Hao Zhang, Lianmin Zheng, Siyuan Zhuang, Yonghao Zhuang

Advisors (alphabetical order):
Joseph E. Gonazlez, Ion Stoica, ​​Eric P. Xing

Acknowledgment

We would like to thank Xinyang Geng, Hao Liu, and Eric Wallace from BAIR; Xuecheng Li, and Tianyi Zhang from Stanford Alpaca team for their insightful discussion and feedback. BAIR will have another blog post soon for the concurrent effort on their chatbot, Koala.

 

Tuesday, March 28, 2023

US Army selects Northrop Grumman with Shield AI for Future Tactical Unmanned Aircraft System Prototype

US Army selects Northrop Grumman with Shield AI for Future Tactical Unmanned Aircraft System Prototype

 



 
In head-to-head customer fly-offs, V-BAT won. The U.S. and allied militaries are chose V-BAT because it delivers, period. Ducted-fan technology enables industry leading max-takeoff weight to payload weight ratio. We didn’t just break the record, we redefined what’s possible.
 
The V-BAT 128 unmanned aircraft system (UAS) is an upgraded version of V-BAT vertical take-off and landing (VTOL) UAS manufactured by Martin UAV. The new aircraft offers increased payload capacity and endurance compared to its predecessor.

In February 2021, the unmanned aircraft was demonstrated to the Army Expeditionary Warrior Experiment (AEWE) at Fort Benning in Georgia, US. AEWE assesses a range of new technologies for the US Army modernisation efforts, including the Army’s six modernisation priorities.

 Northrop Grumman, teamed with Shield AI, has been chosen by the U.S. Army to participate in the Future Tactical Unmanned Aircraft System (FTUAS) competition, Increment 2, to replace the long-serving RQ-7B Shadow tactical unmanned aerial system (UAS).

Follow Air Recognition on Google News at this link


US Army selects Northrop Grumman with Shield AI for Future Tactical Unmanned Aircraft System Prototype Northrop Grumman has been chosen by the U.S. Army to participate in Increment 2 of the Future Tactical Unmanned Aircraft System (FTUAS) program. With teammate Shield AI, Northrop Grumman is developing an enhanced-capability version of the innovative V-BAT aircraft, shown in this rendering, to replace the Army’s long-serving RQ-7B Shadow tactical UAS (Picture source: Northrop Grumman and Shield AI)


Under a seven-week base period contract, the Northrop Grumman-led team will define the modular open-system architecture of an enhanced V-BAT aircraft, including the integration of advanced surveillance and electronic warfare (EW) payloads. The V-BAT UAS is an innovative, agile, compact and lightweight platform that a combat team of two soldiers can rapidly launch and recover in challenging and on-the-move environments.

“Our team’s enhanced V-BAT embodies more than 30 years of experience designing, delivering and sustaining advanced unmanned aircraft systems, combined with a field-proven platform and production facilities,” said Angela Johns, vice president, autonomous and tactical air systems, Northrop Grumman. “We bring a unique perspective and capabilities to this critical Army mission.”

Northrop Grumman is teamed with Shield AI, designer and manufacturer of the V-BAT platform, to provide best-in-class solutions for an expeditionary vertical takeoff and landing (VTOL) UAS, capable of persistent aerial reconnaissance for U.S. Army Brigade Combat Teams, Special Forces and Ranger battalions. As a Future Vertical Lift program, the FTUAS is the Army’s premier VTOL unmanned aircraft modernization effort.

Earlier versions of the V-BAT have supported operations for the U.S. Navy and Marine Corps since 2016. The new enhanced V-BAT is simple to operate, has increased power, a reduced logistics tail and capacity to carry a range of interchangeable payloads, including electro-optical/infra-red, synthetic aperture radar and EW systems, offering long-term adaptability and life cycle management.


Monday, March 13, 2023

The future of TV is up in the air - The Verge





The future of TV is up in the air - The Verge

theverge.com

The future of TV is up in the air

By Janko Roettgers

Antenna television is back. In recent years, millions of cord-cutters have rediscovered antennas as a reliable way to watch broadcast networks like ABC, NBC, and FOX, all for free — and now, broadcasters are eager to get the rest of us hooked. They’ve been marching ahead with the deployment of ATSC 3.0, a next-generation broadcast format that supports 4K, HDR, Dolby Atmos audio, and even interactive apps over the air, no cable or streaming subscription required.

A little over a year ago, one of the country’s biggest broadcasters made an unexpected acquisition to help bolster the transition: The E.W. Scripps Company, which operates dozens of ABC, NBC and Fox stations as well as a handful of nationwide broadcast networks, quietly bought Nuvyyo, a Canadian startup best known for its Tablo DVR devices for cord-cutters. The acquisition, which hasn’t been previously reported, is part of Scripps’ multibillion-dollar bet on acquiring stations, networks, and spectrum for an ATSC 3.0-powered antenna TV future.

But the transition to ATSC 3.0 has been anything but smooth. Five years after its launch, the format is still not available in many major markets. Support from TV makers has been limited, and some of the promised features likely won’t be available for years to come. Meanwhile, free streaming TV channels are growing by leaps and bounds and are quickly becoming a viable alternative to both cable and antenna TV. As it stands, the future of broadcast TV is looking remarkably fuzzy.

A big promise, a small start

ATSC 3.0 is to broadcast television what 5G was to mobile a few years ago: a mixture of buzzwords and real innovation, something that’s definitely coming, but no one really quite knows yet what its true impact will be. And on paper, there’s a lot to like about it: the standard allows broadcasters to transmit TV signals with up to 4K HDR and better audio. ATSC 3.0 also includes data transmission features for better program guides, interactive apps and, eventually, advertising services.

Most people aren’t currently able to watch over-the-air broadcasts in ATSC 3.0

The first tests of ATSC 3.0 began a decade ago. The FCC gave the full go-ahead for the new standard in 2017, and local broadcasters have gradually been adding ATSC 3.0 feeds ever since. In early 2023, broadcasters were utilizing ATSC 3.0 in around 50 local markets, including Los Angeles, Portland, and Washington, DC. By the end of the year, 75 percent of US households will have access to ATSC 3.0, according to Pearl TV, a broadcaster group that’s promoting the standard under the Nextgen TV moniker.

Consumer adoption is another story. Most people aren’t currently able to watch over-the-air broadcasts in ATSC 3.0, even if they live in a market where it has been rolled out. While any existing antenna can receive ATSC 3.0 signals, the same isn’t true for TVs. ATSC 3.0 is not backward-compatible with ATSC 1.0, the current broadcast standard, and most existing TVs can only receive ATSC 1.0 signals. Manufacturers like Samsung and LG began equipping some of their higher-end TV sets with ATSC 3.0 tuners in recent years, and Sony is even building a tuner for the new format into every new TV sold in the United States. 

However, adding ATSC 3.0 compatibility raises the component costs of a TV, which is why many makers of budget-priced TV sets have so far been shunning the new format. “The current VIZIO TVs on the market do not include ATSC 3.0 tuners,” a Vizio spokesperson told us after CES in January. TCL, known for its low-price Roku TVs, also remains on the sidelines. “We will not incorporate ATSC 3.0 in (the) first half of 2023, as consumer demand for the functionality is still low,” a spokesperson told us. “We will continue to watch the market and adjust when needed.”

How new hardware can help

With most TVs not supporting ATSC 3.0 out of the box, external hardware could be key to the adoption of the format. That’s where Nuvyyo, a small Canadian startup best known for its Tablo DVRs, comes in. Regulatory filings show that Scripps acquired Nuvyyo for less than $14 million in cash in January of 2022; the startup had raised $10 million over two rounds since it was founded a decade earlier. The modest price tag speaks to how difficult it is to innovate in the over-the-air television space.

Nuvyyo’s Tablo DVRs have become a favorite among cord cutting enthusiasts, but Tablo’s value proposition has been harder to explain to the average consumer. Most of Tablo’s devices don’t directly connect to a TV but instead capture over-the-air TV signals and then serve the resulting recordings over Wi-Fi. This whole-home DVR setup makes it possible to stream recorded TV shows to a wide range of devices, including phones and tablets, on the go, but it also is a lot more complicated than just hooking up a Roku to your TV. 

The fact that Tablo charges a monthly service fee for access to its program guide hasn’t exactly helped with adoption. Over 10 years, Nuvyyo has shipped just over 200,000 Tablos, and the company currently has around 80,000 active customers, according to the LinkedIn bio of its VP of finance. 

“Not everyone wants to change their TV for new technology.”

Still, Scripps has big plans for Tablo DVRs. “It’s a very important project to us,” said Scripps Networks chief distribution officer Jeffrey Wolf in a conversation with The Verge. Wolf didn’t share any details on how exactly Scripps plans to use Tablo going forward but said that it was “a critical piece” of the company’s push towards broader over-the-air adoption — a push that also includes a marketing campaign dubbed The Free TV Project.

Wolf argued that an over-the-air DVR could make cord cutting more convenient and help over-the-air networks compete with streaming services. “It allows viewers to watch over-the-air content essentially on demand,” as Wolf put it.

Perhaps just as important is that Nuvyyo has been working on tech to make its DVRs and existing TV sets futureproof. The startup experimented with a cloud DVR in the past and in early 2022 announced its first device supporting the new ATSC 3.0 broadcast standard. Wolf didn’t want to spill the beans on how exactly his company intends to use Tablo, but he hinted at plans to use the company’s future devices to aid the transition to ATSC 3.0. “Not everyone wants to change their TV for new technology,” he said. “Converters or dongles are going to be important pieces of the success of that transition.” 

4K support is still MIA

There are other reasons consumer adoption is lagging. Even viewers who happen to have a compatible TV and live in a market where ATSC 3.0 is available quickly find that the broadcasts aren’t all they’re cracked up to be. ATSC 3.0 may, in theory, support 4K HDR, but at this point, 4K broadcasts are virtually nonexistent in the United States.

One reason for this is that the FCC decided against a hard transition to ATSC 3.0 that would have left everyone without a compatible device in the dark. “We have to both offer our current services (ATSC 1.0) while also offering the 3.0 signal,” explained Alex Siciliano, a spokesperson for the National Association of Broadcasters (NAB). The FCC currently mandates that stations transitioning to ATSC 3.0 keep their legacy signals up and running for at least five years, but it could extend that timeline.

The transition to ATSC 3.0 is “stalled” and “in peril,” broadcasters say

To achieve dual support with a limited amount of spectrum, broadcasters partner with each other in local markets. A local ABC affiliate may, for instance, switch to ATSC 3.0 and also carry the local NBC and FOX stations in the new format. In exchange, those stations will continue to broadcast the ABC station’s signal in the legacy ATSC 1.0 format — an approach known in the industry as “lighthousing” that simply doesn’t leave enough bandwidth for 4K signals. “We are spectrum-constrained,” admitted Pearl TV’s managing director, Anne Schelle.

The transition to ATSC 3.0 is “stalled” and “in peril” due to regulatory inaction, the NAB wrote in a letter to the FCC earlier this year. Highlighting the 4K issue, broadcasters called for “a plan to eventually end the wasteful dual transmission in both ATSC 1.0 and ATSC 3.0” and suggested that an FCC task force should come up with a firmer transition timeline.

“It is time for the FCC to take a more active role,” said Siciliano, adding that it wasn’t in the commission’s interest to “leave behind viewers — especially those that rely solely on over-the-air TV for their news and information.”

Free streaming channels are booming

Antenna usage remains popular, especially among lower-income and immigrant households. Eighteen percent of TV viewers told market researchers last year that they owned an antenna. Among Latinx audiences, one in four viewers said they owned an antenna. The Consumer Technology Association estimates that there will be around 8.5 million antenna sales this year alone.

Those numbers have prompted Scripps to bet big on over-the-air television. With cable TV audiences declining, over-the-air seemed like the best bet to reach millions of eyeballs that the company can then monetize with advertising. In addition to buying up dozens of local broadcast stations, the company spent around $300 million on broadcast-only BET competitor Bounce in 2017, followed by the $2.65 billion acquisition of the over-the-air networks Ion as well as associated spectrum in 2020.

But while Scripps was busy pouring billions into broadcast networks and infrastructure, another way to watch linear television emerged: free, ad-supported streaming channels. Turn on any smart TV these days, and you’ll find program guides with hundreds of TV channels featuring familiar names like AMC, NBC and FOX, with no need to pay for cable or hook up an antenna.

The Tablo Dual Lite over-the-air DVR.

The Tablo Dual Lite over-the-air DVR.

Image: Nuvyyo

These free linear channels have been a big hit with audiences and advertisers: Samsung alone claims to stream more than 3 billion hours of free linear programming to its smart TVs per year, and advertisers are expected to spend more than $4 billion on domestic linear streaming services this year — ad revenue that directly benefits TV makers, unlike those costly ATSC 3.0 tuners.

Today, many media companies still use these so-called FAST channels as a way to make some extra money with older shows. AMC, for instance, doesn’t stream its cable channel to smart TV viewers, in part because it has exclusive deals with cable TV services. Instead, it has dedicated FAST channels for back-to-back The Walking Dead and Portlandia reruns.

However, some broadcasters have begun to retransmit their linear feeds as FAST channels. Scripps, for instance, has been streaming its Ion and Bounce broadcast networks in their entirety, and the explosive growth of FAST is not lost on the company. “When we track audience levels for over the air, we’re generally looking at how we’re doing year over year because it’s kind of a slower-moving train at this point,” said Scripps Networks chief research officer Jon Marks. “When we look at FAST, we’re looking at it quarter by quarter because that’s how fast it’s growing.”

In light of these changes, Scripps is hedging its bets. The company plans to keep promoting over-the-air viewing and also talk more publicly about its plans for Tablo in the coming months. Scripps also remains committed to ATSC 3.0, which will be a quality improvement even without 4K. “Our networks right now are mostly SD,” Wolf said. “The ability to put our product out there in HD will change the value of our proposition.”

But it’s also looking to invest more into free streaming. For the first time, the company aims to launch a new TV network on FAST services this spring and then bring it to antenna audiences if it does well with streamers. Marks still doesn’t expect linear streaming to overtake over the air from an audience size perspective any time soon. Then again, with the transition to ATSC 3.0 moving as slow as it is, it’s possible that free streaming will eventually leapfrog over-the-air broadcasting and turn into the de facto future of free TV while antennas slowly become irrelevant.

“Right now, the best use of our spectrum is building over-the-air broadcast networks,” said Wolf. “Is that the path of the future? Time will tell.”

 

Amazon’s Ring Is a Perfect Storm of Privacy Threats | Electronic Frontier Foundation

Amazon’s Ring Is a Perfect Storm of Privacy Threats | Electronic Frontier Foundation

eff.org

Amazon’s Ring Is a Perfect Storm of Privacy Threats

Matthew Guariglia

Doors across the United States are now fitted with Amazon’s Ring, a combination doorbell-security camera that records and transmits video straight to users’ phones, to Amazon’s cloud—and often to the local police department. By sending photos and alerts every time the camera detects motion or someone rings the doorbell, the app can create an illusion of a household under siege. It turns what seems like a perfectly safe neighborhood into a source of anxiety and fear. This raises the question: do you really need Ring, or have Amazon and the police misled you into thinking that you do?

Recent reports show that Ring has partnered with police departments across the country to hawk this new surveillance system—going so far as to draft press statements and social media posts for police to promote Ring cameras. This creates a vicious cycle in which police promote the adoption of Ring, Ring terrifies people into thinking their homes are in danger, and then Amazon sells more cameras.

Map of Ring partnerships with police compiled by Shreyas GandlurSee full screen


How Ring Surveils and Frightens Residents

Even though government statistics show that crime in the United States has been steadily decreasing for decades, people’s perception of crime and danger in their communities often conflict with the data. Vendors prey on these fears by creating products that inflame our greatest anxieties about crime.

Ring works by sending notifications to a person’s phone every time the doorbell rings or motion near the door is detected. With every update, Ring turns the delivery person or census-taker innocently standing on at the door into a potential criminal.

Neighborhood watch apps only increase the paranoia. Amazon promotes its free Neighbors app to accompany Ring. Other vendors sell competing apps such as Nextdoor and Citizen. All are marketed as localized social networks where people in a neighborhood can discuss local issues or share concerns. But all too often, they facilitate reporting of so-called “suspicious” behavior that really amounts to racial profiling. Take, for example, the story of an African-American real estate agent who was stopped by police because neighbors thought it was “suspicious” for him to ring a doorbell.

Even law enforcement are noticing the social consequences of public-safety-by-push-notification. At the International Associations of Chiefs of Police conference earlier this year, which EFF attended, Chandler Police Assistant Chief Jason Zdilla said that his city in Arizona embraced the Ring program, registering thousands of new Ring cameras per month. Though Chandler is experiencing a historic low for violent crime for the fourth year in a row, Ring is giving the public another impression.

“What happens is when someone opens up the social media, and every day they see maybe a potential criminal act, or every day they see a suspicious person, they start believing that this is prevalent, and that crime is really high,” Zdilla said.

If getting an alert from your front door or your neighbor every time a stranger walks down the street doesn’t cause enough paranoia, Ring is trying to alert users to local 911 calls. The Ring-police partnerships would allow the company to tap into the computer-aided dispatch system, and alert users to local 911 calls as part of the “crime news” alerts on its app, Neighbors. Such push alerts based on 911 calls could be used to instill fear and sell additional Ring services.

From Neutral Guardians to Scripted Hawkers

Thanks to in-depth reporting from Motherboard, Gizmodo, CNET, and others, we know a lot about the symbiotic relationship between Amazon’s Ring and local police departments, and how that relationship jeopardizes privacy and circumvents regulation.

At least 231 law enforcement agencies around the country have partnered with Ring, a report by Motherboard revealed. This partnership takes both a financial and digital form.

Police that partner with Ring reportedly have access to Ring’s “Law Enforcement Neighborhood Portal,” which allows police to see a map of the locations of Ring cameras. Police may then ask owners for access to their footage—and when owners give permission, police do not need to acquire a warrant.

The arrangement is also financial. Amazon encourages police to encourage residents to install the Ring app and purchase cameras for their homes. Per Motherboard, for every town resident that downloads Ring’s Neighbors app, the local police department gets credits toward buying cameras it can distribute to residents. This arrangement makes salespeople out of what should be impartial and trusted protectors of our civic society.

This is not the first time the government has attempted to use an economic incentive to expand the reach of surveillance technology and to subsidize the vendors. In 2017, EFF spoke out against legislation that would provide tax credits for California residents who purchased home security systems.

Police departments also get communications instruction from the large global corporation. Documents acquired by Gizmodo revealed that questions directed at police departments concerning Ring are often passed on to Ring’s Public Relations team. Thus, many statements about Ring that residents think are coming from their trusted local police, are actually written by Ring. Worse, Ring instructed police departments not to reveal their connections to the company. Instead of getting an even-handed conversation with your local police about the benefits and pitfalls of installing a networked security camera, residents are fed canned lines from a corporation whose ultimate goal is to sell more cameras.

Even the Monitoring Association, an international trading organization for surveillance equipment, announced its concern regarding Ring's police partnerships. The organization's President, Ivan Spector, told CNET, "We are troubled by recent reports of agreements that are said to drive product-specific promotion, without alerting consumers about these marketing relationships...This lack of transparency goes against our standards as an industry, diminishes public trust, and takes advantage of these public servants."

Dissemination of Your Video Images

So, Ring and the police have an intimate relationship revolving around sharing data and money. But at least users own their own video footage and control who gets access to it, right? Not if you ask Amazon.

Earlier this year, social media users pointed out that Ring was using actual security camera footage of alleged wrong-doers in sponsored ads. Amazon harvested pictures of people’s faces and posted them alongside accusations that they were guilty of a crime, without consulting the person pictured or the owners of the cameras. According to their terms of service, Ring and its licensees have “an unlimited, irrevocable, fully paid, and royalty-free, perpetual, worldwide right to re-use, distribute store, delete, translate, copy, modify, display, sell, create derivative works,” in relation to the footage taken from your front door.

Police will also seek access to residents’ video footage. Residents may deny police access when requested. However, Amazon actively coaches police on how to persuade residents to hand over the footage. A professional communications expert instructs police on how to manipulate residents into giving away their Ring’s footage.

If convincing the resident doesn’t work, police can go straight to Amazon and ask them for the footage. This process circumvents the camera’s owner. Amazon says it will not disclose Ring video to police absent a warrant from a judge or consent from the resident. And California law generally requires police to get a warrant in this situation. But some California police say they don’t need a warrant. Tony Botti of the Fresno County Sheriff’s department told Government Technology that police can “subpoena” a Ring video. A subpoena typically does not require judicial authorization before it is sent. Botti continued: “as long as it’s been uploaded to the cloud, then Ring can take it out of the cloud and send it to us legally so that we can use it as part of our investigation.” Amazon needs to clear up this uncertainty.

Next Steps

The rapid proliferation of this partnership between police departments and the Ring surveillance system—without any oversight, transparency, or restrictions—poses a grave threat to the privacy of all people in the community. It also may chill the First Amendment rights of political canvassers and community organizers who spread their messages door-to-door, and contribute to the unfair racial profiling of our minority neighbors and visitors. Even if you chose not to put a camera on your front door, video footage of your comings and goings might easily be accessed and used by your neighbors, the police, and Amazon itself. The growing partnerships between Amazon and police departments corrodes trust in an important civic institution by turning public servants into salespeople for Amazon products.

Residents of towns whose police department have already cut a deal with Ring should voice their concern to local officials. Users of Ring should also consider how their privacy, and the privacy of the neighbors, may be harmed by having a camera on their front door, networked into a massive police surveillance system.

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Thursday, March 9, 2023

More than 40 Chinese naval vessels gather in the Philippines in the South China Sea

Thursday, March 9, 2023

More than 40 Chinese naval vessels gather in the Philippines in the South China Sea - [My commentary] If Japan and Australia jointly operate submarines, even if the US forces become weak in the South China Sea, it will be possible to keep China in check (゚д゚)!

More than 40 Chinese warships gather in South China Sea islands


Tomohiko Otsuka (freelance journalist)

"Tomohiko Otsuka's Southeast Asian Kaleidoscope"

[ Summary]

・Chinese warships gathered in the waters around Paguaça Island in the Spratly Islands, which is effectively controlled by the Philippines.

・China's demonstrations against the Philippines are conspicuous around the Spratly islands.

・Although it was decided that the " nine-dash line " violated international law, China has completely ignored it to date.


Since March 4, more than 40 ships, including Chinese Navy, Coast Guard ships, and ships boarded by maritime militia, have gathered in the waters surrounding the islands in the Spratly Islands in the South China Sea that the Philippines continues to effectively control, harassing the Philippines. The Philippine Coast Guard announced on the 7th that it is continuing.

China has been holding the National People's Congress (NPC) in Beijing since March 5. At the same time, China has unilaterally declared its maritime rights and interests to the extent of the "nine-dash line," which is the scope of China's maritime interests. are believed to be increasing pressure on

According to the Philippine Coast Guard, it has become clear that Chinese ships are concentrated in the waters around Paguaça Island in the Spratly Islands, which are effectively controlled by the Philippines.

According to the survey, 42 vessels believed to be manned by maritime militiamen were confirmed, in addition to Chinese People's Liberation Army Navy vessels and Coast Guard vessel No. 5203.

These Chinese ships were confirmed to be deployed in the same waters on March 4, and are said to remain in the same waters as of March 7.

* About 400 people live on the island of Paguaça.

 Paguaça Island, located in the South China Sea about 483 kilometers west of Puerto Princesa, Palawan in the southern Philippines, is the second largest island in the Spratly Islands. A total of about 400 citizens (including 70 children) live here.

 The island also has a 1,400-meter runway and is administratively part of the province of Palawan.

 About 25 kilometers southwest of Paguaça Island is Subi Reef, which China has turned into a military base.

 The Subi Reef was originally ruled by Vietnam but was seized by China in 1988. Since then, reclamation work has been carried out, a 3,000-meter-class runway and radar facilities have been constructed, and naval soldiers have been stationed, making it a complete military base.

 Due to its proximity to the Subi Reef, Paguaça Island has often been harassed by China, and in 2020, more than 100 Chinese fishing boats stormed the waters around the island and staged a demonstration.

 Also, on November 20, 2022, parts believed to be wreckage from a large Chinese rocket were discovered in the waters near Paguaça Island. A rubber boat with Philippine navy soldiers was towing this part in the waters near the sandbar of Paguaça Island. There is also a situation of seizing wreckage parts.

 At this time, the Philippine Coast Guard also explained that it was 'interfered, the rope was cut and it was stolen,' but the Chinese Ministry of Foreign Affairs said, 'The Philippine side was the first to find the floating object and salvage it and tow it. After discussion, the Philippine side returned it to China.

★ Repeated warnings to the Chinese side

 The Philippine Coast Guard radioed a group of more than 40 unmoving Chinese ships gathered around Paguaça Island to warn them, "The area is within Philippine territorial waters. Leave immediately." repeating.

 However, the Chinese side has been completely ignoring it without any response.

 So far, President Marcos has not commented on the incident in Paguaça Island. China's ambassador to the Philippines was summoned to the Presidential Palace to directly express his regret in response to the laser irradiation incident, and it is possible that China will be dealt with even more severely in the future. .

 On February 21, during a patrol and surveillance flight over the South China Sea, a Philippine Coast Guard aircraft spotted about 30 Chinese ships gathering around Sabina Shoal, which is within the Philippine Exclusive Economic Zone (EEZ). intercepted the radio, but it was meaningless, and on the contrary, ordered the Chinese ships to leave the area from the aircraft.

 Similar incidents were also confirmed on the same day in the waters around Ayungin Reef, which is effectively controlled by the Philippines.

China's unilateral claims and actions

 Based on the "nine-dash line" that occupies most of the South China Sea, China is proceeding with military bases one after another through reclamation work on islands and atolls. The islands are also subject to repeated sabotage and harassment, even though they are within the Philippine territorial waters and EEZ as "the range of China's maritime interests."

 In addition to the Philippines, Malaysia, Vietnam, and Brunei are also competing with China over the South China Sea.

 In 2014, then-Philippine President Benigno Aquino sued the Permanent Court of Arbitration (PCA) in The Hague, the Netherlands, over China's one-sided claim to the nine-dash line.

 In 2016, the PCA ruled that China's historical claims to the nine-dash line and the waters surrounding it have no legal basis under international law and violate international law.

 However, China continues to completely ignore this judgment to this day, as its claims have not been recognized internationally.

 The international community has already seen that China's attitude is self-contradictory and self-contradictory, inconsistent with clichés such as "observance of the law," "international cooperation," and "solution of problems through dialogue."

 In today's China, the use of words such as "remorse" and "apology" is impossible as long as the Chinese Communist Party continues to rule, no matter how much responsibility lies with the government. I'm doing it.

[My commentary] If Japan and Australia jointly operate submarines, even if the US forces become weak in the South China Sea, it will be possible to keep China in check (゚д゚)!

Amid ongoing tensions in the Philippines, Reuters reported on the 8th, citing multiple US officials, that Australia will launch US-made Virginia-class aircraft based on the agreement of the US-UK-Australia security framework "AUKUS." China is expected to purchase up to five nuclear-powered attack submarines in the 2030s.

It is said that the plan to introduce an Australian nuclear submarine will be discussed at the Orcas Summit held in San Diego, California on the 13th.

Australia purchased three Virginia-class nuclear submarines in the early 1930s and is considering procuring two more. In the late 1930s, there were plans to build a new submarine that incorporated American technology into British designs. In addition, the United States will send its own submarines to Australia every year, aiming to deploy several submarines in western Australia by around 2027.

In addition to the East and South China Seas, China is also trying to expand into distant waters. The United States and the United Kingdom intend to counter China by supporting Australian submarines so that they can operate in a wide range of waters.

According to the White House, President Biden will hold individual talks with Australian Prime Minister Albany Zi and British Prime Minister Sunak in addition to the Orcus summit on the 13th.

In 2018, the Chinese military deployed anti-aircraft and anti-ship missiles mainly on three of the seven artificial islands (i.e. forward military bases) built in the South China Sea that have runways where fighter planes can take off and land. , China's air superiority and maritime superiority in the South China Sea have improved dramatically, and Japan's oil sea lanes have also become a major concern.

As you can see from the map below, our sea lanes are surrounded by Chinese military bases.


China's threat to the Philippines in this waters is also a threat to our country. It can be said that China is preparing for trade obstruction and trade destruction against Japan.

The United States is now the world's superpower. In the United States, the Joe Biden administration has taken a strong stance against China's military hegemony. Assistant Secretary of State Daniel Krittenbrink told the House Foreign Relations Committee on February 28 that the United States will continue to oppose China's threats to Okinawa, the Senkaku Islands, and Taiwan.

As China and authoritarian countries such as Russia and North Korea strengthen cooperation, the United States is launching diplomatic offensives around the world. Experts have analyzed that the United States has entered a "wartime regime." Mr. Krittenbrink, who is in charge of East Asia and the Pacific, expressed his stance that he will not overlook China's threats and provocations over the South China Sea, the East China Sea, including the Senkaku Islands, and the Taiwan Strait, in written testimony submitted in advance to the Commission.

Assistant Secretary of State Daniel Krittenbrink

However, despite the fact that the United States is a superpower, its military power is limited. In the event of a large-scale conflict in the world, the United States can respond with a two-front operation, but it cannot go as far as a three-front operation. Even so, if you carry out a three-front strategy, you will end up with a small amount of military strength, and in the worst case, you will be defeated on all fronts.

At present, it is difficult to imagine that the United States will be forced to carry out a three-front operation, as Russia is preoccupied with the Ukrainian war, but there is no doubt that it will not be for eternity. No warranty.

However, Japan, the United States, Australia, etc. and China, Russia, etc. are completely different in that Japan and the United States have many allies and quasi-allies. It is the achievement of the Abe administration that Japan has been able to make many friends in the past, where it was completely obsessed with the United States.

When the United States is stuck in a two-front operation, if a major conflict occurs, allies, quasi-allies, and allies, especially those countries in the vicinity, will take charge of the other front while cooperating with each other. Of course. Otherwise, you're giving China and Russia an opening to take advantage of.

In particular, if China were to take military action in the Philippines and elsewhere, Japan and Australia should work together to counter it. In particular, Japan imports a large amount of crude oil from the Middle East, and there are sea lanes near the Philippines that must be protected at all costs.

Australia is also an oil producing country. However, there is pressure from China, such as Chinese warships sailing near Australia, and the South China Sea is relatively close to Australia.

Now that China has deployed anti-ship and anti-aircraft missiles to its military bases in the South China Sea, both aircraft and ships are targets for China. Submarines are quite effective against this. This is because, as this blog has posted several times, China's ASW (Anti Submarine Wafare) capabilities are considerably inferior to those of Japan and the United States.

Therefore, the possession of nuclear submarines by Australia is a considerable check against China. In particular, when the United States is forced to engage in a two-front operation, Japan and Australia can jointly strengthen surveillance of the South China Sea and restraint on China.

If Japan, the United States and Australia cooperate on a regular basis to monitor the South China Sea, it will be easier to share information and cooperate in times of emergency.

Australia chose to have a nuclear submarine, but Japan, on the other hand, should consider it, even though I don't think there is much need for it.

The main threats to Japan's maritime security are China and North Korea, both of which are very close geographically. The Maritime Self-Defense Force's conventionally powered attack submarines (SSKs), already in force at 22, are excellent platforms for operations in the Seas of Japan, the Yellow Sea, the East China Sea, the South China Sea, as well as the Western and Indo-Pacific waters. ).

Using a new type of lithium-ion battery and a long submersible air independent propulsion (AIP) engine, Japanese submarines can stay in critical waterways of the ocean, as well as outside Chinese and North Korean naval bases and ports, for extended periods of time. can stay for a long time.

The new submarine "Taigei" type, which began construction in 2017, has the world's top level submarine capability as a conventional submarine that does not use nuclear power. Compared to lead-acid batteries, it is possible to charge and discharge more power quickly, and the major point is that the design has been revised to maximize the characteristics of lithium-ion batteries that do not generate hydrogen gas.

From the 4th ship of the "Taigei" type, we have adopted a "new snorkel power generation system" that can quickly charge the storage battery while submerged. This allows submarines to charge more efficiently than ever before.

Maritime Self-Defense Force "Taigei-class 3rd" submarine Jingei (SS-515) holding a launching ceremony at Mitsubishi Heavy Industries Kobe Shipyard. October 12, 2022

Japanese submarines can conveniently monitor sea traffic for weeks at other locations of interest. A central point of debate should be whether the MSDF should have more SSKs to cover a wider area. This one is probably more worth the money.

The reason Australia ultimately chose nuclear attack submarines is that, even with the 12 conventionally powered submarines it was originally destined for under the French contract, the Australian Navy will always have two or three more in the Indo-Pacific region. because it was difficult to dispatch

This is because the Australian Navy bases are quite far from the waters where submarines operate. Normally powered submarines use a lot of fuel to move, so even if they reach their destination, they have only a limited amount of time to complete the mission. Nuclear submarines, on the other hand, are capable of long-term missions far from Australia.

Additionally, the Royal Australian Navy is now on its way to becoming the expeditionary navy that supports the US Navy in the region. Nuclear submarines are better suited to fill this role due to their powerful weapons, sensors and unmanned systems. These are assets that so far cannot be delivered from mainland Australia (military assets).

This is not the case with the Maritime Self Defense Force. The Maritime Self-Defense Force is a defensive organization to protect the waters near Japan, not an expeditionary navy that exerts force across regions. The Maritime Self-Defense Force can launch unmanned systems and missiles from mainland Japan, eliminating the need to install them on expensive nuclear submarines.

Let's not forget that submarines are only part of maritime security. A variety of platforms, from unmanned systems to surface ships to space and ground-based systems, all play a role in maritime security.

Nuclear submarines are expensive to develop and build, but they don't add much to the capabilities that Japan's Ground, Navy, and Air Self-Defense Forces already have. Instead, invest in platforms and technologies that are truly innovative and impactful on land, air, sea and subsea.

However, the merits of nuclear submarines are that there is no substitute for the continuous power provided by their nuclear reactors. You can use electricity as much as you want. It can remain submerged for quite a long time without a fuel supply, and the power supply is almost limitless. We can make the most of this energy and develop an autonomous unmanned submersible ( It has the advantage of being able to operate UUV), integrate these and sensors, and be able to execute efficient operations.

Therefore, if Japan considers giving submarines greater strategic value in future operations, it would be prudent to consider the option of nuclear submarines.

In any case, if Japan and Australia jointly operate submarines, there is no doubt that their ability to keep China in check will dramatically increase even if the US forces in the South China Sea become weaker.

 

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