Nancy Codec video coding standards

The current video compression used in the field of technology mostly belong to similar MPEG series of technology.

Although MPEG-4 or H.264/AVC has a higher compression ratio, but want to 2.5G even 2G mobile communication network using this compression method for video transmission or difficult, so in General, mobile video service is locked in 3G popularity will provide the service. However, if immediately 2G or 2.5G network to provide video services, will be available to the telecommunications industry and brings huge benefits, will enable mobile users to enjoy more rich mobile services. Nancy Codec technology is developed for this purpose.

Nancy Codec mainly by Japan Office Noa company research and development of the results, using the technology, in addition to Japan and NTT DoCoMo J-Phone, Xinhua news agency offices, large in Asia and Europe, the telecom industry is still in testing or research use.

Traditional video compression, you need a high speed of the CPU or a dedicated processing chip, not only space but also increases the power consumption. Relatively speaking, like Nancy Codec such software solution, you do not need to have a high speed CPU or specialized processing chip and therefore be able to address the mobile communication market for video processing capabilities of mobile devices.

The main lines in use of Nancy Codec SMSP (Polygon Structure Meta Sale) of the independent development of technology, the principle is the action image split into many different shapes and dimensions of the model is then compressed, due to adoption of new rules of simple arithmetic that does not require motion detection (Motion Estimation) and discrete cosine transform (DCT), so the operations of small, fast transfer rates.

Nancy Codec is a considerable advantage for a compression technique, because the Codec is Nancy to software for video compression, so the hardware processing power just 10% of MPEG4 and operation speed is faster than MPEG4, MPEG4 compression rate and one-tenth of the, so take advantage of the existing mobile network to deliver video.

There are already several companies launch support Nancy Codec of DSP chips, including Texas instruments, Epson, etc. In addition there are numerous behind the support of the telecommunications industry, including Japan J-phone and China Mobile, etc. However although Nancy Codec in the development of applications does have advantages, but there are some problems: as the Japan OFFICE NOA Inc. exclusive ownership of the technology, it is technically impossible to be opening up, so it is not conducive to the further development of the technology, on the other hand, it is possible for the parties to a conflict of interest caused by the difficulties of application.