less than such a high sound quality

Fraunhofer IIS is an audio and multimedia technology, research institutions, by cheap juicy couture track jackets the CCBN China Content Broadcasting Network Exhibition this year, they came, would like to take this opportunity to let Chinese customers know them.

Fraunhofer IIS: MP3 inventor

The Fraunhofer Institute is Europe's largest Institute, 40 locations in Germany, with 60 colleges, research institutes, the Working Group, a branch laboratory and Application Center, 18000 staff, also has offices in Beijing, Japan, Korea research areas include information and communication technologies, life sciences, microelectronics, surface treatment technology, photonics, production technology, materials and the formation, as well as security and defense.

Fraunhofer IIS is one of the 60 research institutes of the Fraunhofer Institute which was founded in 1985, at Fraunhofer IIS, research institutions is the international authority of the audio and multimedia technology and product areas, the MP3 developers, in addition to development many multi-media system technology.

At present, the Fraunhofer IIS staff over 750, the overwhelming majority of engineers, budget is 90 million euros, the main source of income comes partly from the intellectual property rights, on the one hand, the study commissioned by the company.

Betrayed in the market using Fraunhofer IIS technology hardware, cheap juicy couture purses you need to pay certain royalties to the Fraunhofer IIS Fraunhofer IIS Asia-Pacific region audio and multimedia technology on behalf of Toni Fiedler 's introduction, the large mobile phone manufacturers, set-top box manufacturers will be paid Juicy Couture Shoes on contract This fee, they are willing to accept this business model.

Does not have its own product as a research institute, Fraunhofer IIS, sometimes customers are unique chip or a unique operating system, and need this software tailored for them, Fraunhofer IIS will do this kind of software to them, while a certain amount costs.

Fraunhofer IIS Juicy Couture Sandals has a history of more than 20 years, this time of year, the Fraunhofer IIS is the right time to expand their business early this year, the Fraunhofer IIS in particular the appointment of Toni Fiedler 's Mr. audio and multimedia technology on behalf of the Asia-Pacific region, Toni Fiedler' s Mr. cheap juicy couture track jackets based in Beijing.

Figure 1: representatives of the Fraunhofer IIS Asia-Pacific region audio and multimedia technology cheap juicy couture purses by Toni Fiedler 's

In China, the target customers of Fraunhofer IIS is the telecommunications and broadcasting industry, hope to cooperate with the companies of these industries, including television and mobile operators, as well as TV and set-top box device manufacturers.

The future Toni Fiedler 's, the Fraunhofer IIS also want to keep in touch with some of China's Association, the standards organization, to participate in the development of standards in China.

Market leader of the operators

By Toni Fiedler 's mentioned, an important customer direction of the Fraunhofer IIS is the operator. IIS led by the Fraunhofer HE-AAC standard has considerable market share in the carrier market.

For telecom operators, Dolby's share is very small, the main reason is that the Dolby difficult to support in the state of the low bit rate audio transmission.

By Toni Fiedler 's a test data www.juicycoutureoutlet-2012.com from Philips. In this chart, the vertical axis is higher up, the sound effects better, the abscissa is the more right, the required bandwidth is greater, the higher the bit rate.

Figure 2: Several technical standards for quality comparison chart

As shown, at Fraunhofer IIS HE-AAC, the minimum bit rate case, to provide the best sound quality. Dolby and DATS are on the right, which means that they need more bandwidth in order to achieve this quality.

By Toni Fiedler 's, even the latest generation of Dolby technology, Dolby Digital Plus, latest technology, up to less than such a high sound quality. In the case of the lowest bit rate, to provide the best possible sound, is the selling point of the HE-AAC.

Therefore, in the 3GPP standard, almost all mobile operators, handset manufacturers are using HE-AAC standard. In the mobile space, even if China's 3G standard TD-CDMA, also used AAC technology.

Although the Dolby try to squeeze into the mobile market, they also have some success stories, but their market share is very small.

Concerned about the voice quality

In addition to encoding and audio processing products, the solution of the Fraunhofer IIS is also committed to providing high-quality audio solutions for communications.

Part of business communications, Cisco TelePresence has actually used the technology of the Fraunhofer IIS AAC-(E) LD, the Fraunhofer IIS in this technology to further enhance the improvement in new R & D to improve call quality.

In a phone call Toni Fiedler 's proposed, there are a lot of room for improvement.

Poor mobile phone signals, or long-distance call, or calls across several networks, www.juicycoutureoutlet-2012.com in the middle there will be a variety of nodes, there is delay, the sound quality will decline, and even noise. This situation are many reasons, may be a mobile phone may also be the reason of mobile phone chips, of course, the phone quality is good enough, so the main impact comes from the line and connection of the operator problems, there is bandwidth.

Fraunhofer IIS solution is to solve the problem of declining transmission when voice quality, and how to codecs for audio and voice calls combined.

"As a basis for the standard, Juicy Couture Sandals if you want to support a good MP3 signal transmission, we need 128KB of bandwidth if you want to support good AAC signal transmission, at least 64KB of bandwidth, I have just talked about our third generation product called HE-AAC, it accounts for the bandwidth to decline further, if there is a good audio quality transmission, and only needs 32KB can be phone calls or Internet traffic, there is less than 128, 64 or 32KB of bandwidth. basically, the existing bandwidth is 16KB, and even lower levels. "by Toni Fiedler 's said.

The next generation of Fraunhofer IIS codec is called MPEG preview, sometimes called AAC scalable and efficient, we can solve the voice calls and audio codec both calls and music sound Juicy Couture Shoes quality in low bandwidth conditions , has been greatly improved.

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