Homeearphone → What is the next “next coming” Noi Can Technology?Ask the trend leader "Shenzhen" (Phile Web) --Yahoo! News

What is the next “next coming” Noi Can Technology?Ask the trend leader "Shenzhen" (Phile Web) --Yahoo! News

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“次に来る”ノイキャン技術とは? トレンドリーダー「深セン」に訊く(PHILE WEB) - Yahoo!ニュース

Technology is born in a person, and things are shaped by technology.In places where people and resources are accumulated, the pace is faster, and the power to create new things is stored like a magma....That is the current Shenzhen. There are many electronics companies based in his land, and the number is increasing. In the past, he was in a position to follow the trend, but now he is now a Japanese consumer, and the trend of electronics products cannot be told without seeing the "Shenzhen's present". Vocplus image. In this series, which recognizes and processes "sound objects" and reduces noise, the author is a trend in the electronics field centered on Shenzhen, making full use of the personal connections built up by the author with a chat tool (WeChat). Follow technology and new products. It is difficult to travel due to the recent situation, but we will deliver highly fresh information. ■ Fabeless companies also appear one after another, the population of Shenzhen is comparable to 13.43 million ( *) as of the end of 2019, but the population is about 42 times compared to the 1980, which was designated as an economic zone due to reform open routes. The growth rate is magnitude. GDP is also 1 in the last 40 years.It increased to 40,000 times (!).The economy of the adjacent metropolitan area, including the adjacent Dongguan City, Guangdong City, and Hong Kong and Macau (Greater Bay Area, Port Port, Odai Bay), is still growing at a surprising speed.( * Refer: http: // www.sz.GOV.CN/CN/ZJSZ/GL/Content/Post_7979820.HTML) The Shenzhen is one of the largest dotations in the electronics industry, and companies around the world are expanding. The same is true for Chinese companies, especially companies that are roughly tied to "IT", and large companies that have a high profile in Japan, such as small US science (Xiaomi) and Baidu (Baidu), are also Shenzhen. There are many cases where the base is set up. The Large Voice Department (Shen Sen), which is introduced this time, is one of the companies in Shenzhen. One of the fabeless companies established in 2017 is "intelligent voice processing technology". Aside from hearing about their brand name ELEVOC, listening to the product names that adopt their technology called "Vocplus" must be about what kind of technology they sell. For example, Vocplus is also used for smartphones such as Lenovo's notebook PC "Yoga Slim 9", Xiaomi "Mi 10 Lite", and wireless headsets such as Motorola "BOOM3". The earliest story is a call noise reduction technology that removes environmental noise during voice calls with mechanical learning/AI. One of the interests of Vocplus was the Sound Peats that I met during the VGP judging committee, "MINI". The calling partner should be in a pretty noisy place, but the mysterious voice can be heard clearly. The number of microphones is simple for each LR, but how is it? I was interested. According to the press release, the role of VOCPLUS is to analyze the sound collected by the built -in microphone, remove environmental noise and echo, and to make gain control in real time, making it easier to hear the voices of TV conferences and calling partners. No more information is found on the net. Then, relying on the biography and listening to the Elevoc people directly (on WeChat). ■ Liam Bi, an assistant manager at ELEVOC, asked for noise decrease by AI/deep learning. The basic exchange was WeChat, and the questions that seemed to be long were used by e -mail and tools. Actually, the mix of Chinese and English, and the light glue unique to chat, will the atmosphere be transmitted? Where is the mini built -in? Vocplus is purely software. The code is incorporated as a software module on the SOC and Soundpeats mini as a software module. Receive the sound collected by the microphone in the front tip (SDK), process it with the internal Vocplus module, and send it back to the SDK. I feel like the function of the filter in the maritime ANC (active noise canceling). In Bi Bi ANC, it generates a signal of the noise of the noise collected by the microphone. VOCPLUS, on the other hand, combines various technologies and data such as noise canceling, echo cancellation, and automatic gain control using deep neural networks to achieve clear audio during calls. At Maritime ANC, there is a correlation between the effects of Noi Cancer and the chip performance, but the same thing can be said to Vocplus? Yes, the effect of Vocplus is affected by the chip operational performance and memory capacity. Roughly speaking, the larger the computational performance and the memory capacity, the more powerful algorithms can be developed and the noise reduction effect. Is it possible that the noise reduction effect is easy/hard to get in a specific frequency bandwidth? In the Vocplus algorithm, instead of targeting a specific frequency band, using a deep neural network to determine whether the sound/frequency at that time is noise, and if it is judged as noise, it will be removed. Otherwise, it will be done by leaving it. The sea, the more. Specifically, what kind of sound is recognized? Vocplus is a universal player who has reduced noise. The deep neural network learned based on a huge amount of data includes noise, road noise, wind noise, knocking the door, sound of people coughing, dog crying, and baby's cry. It has an advantage in reducing the reduction of. Many of the noise generated in everyday life are classified into this, so the effect is great. ■ The next theme is "Partial lack of parts" Speaking of Bluetooth earphones so far, even if it is a topic of which chip vendor SoC or which codec it corresponds, it will be included in the SoC with other companies' software. I have never heard of the approach of adding functions. However, the progress of chip microarization technology and the high -performance and multifunctional improvement in proportion to it are no exception to Bluetooth SoC, and the use is spread as noise cancellation and stereoscopic sound. In particular, TWS earphones, which have momentum in the market, are at a fast pace of technological innovation, so it is likely that the third -party software technology will be paid in the future. By the way, next time, we plan to cover Shenzhen's startup company under the theme of "lack of parts". I hope you look forward to it.

Maritime ninja

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