Simple For low-bandwidth wireless and low-latency applications like
Simple For low-bandwidth wireless and low-latency applications like videoconferencing and telephony. Advanced Simple For interactive rich media applications, with bandwidth from 56 kbit/s up to high-definition at rates as high as 8 Mbit/s. These two are joined by a third option of the advanced video codec, AVC. This offers much improved efficiency, but needs considerably more processing resources to encode and decode. As processors get faster and lower cost, AVC becomes the favored option for most fixed applications (rather than mobile). AVC was created for conventional rectangular video, rather than the objectbased coding of the MPEG-4, part 2, visual codec. It was formalized in 2003, with implementation in software and hardware becoming available in 2004. It achieves the same quality as MPEG-2 at around half the data rate. These improvements are gained largely through improved prediction. AVC can use multiple reference frames within a GOP, rather than the bidirectional prediction of MPEG-2. The variable block size cuts down the mosquito effects, a common artifact of DCT block compression. AVC has three profiles: main (for Video compression 97 DCT video input ISO/IEC 14496 encoder intra-frame compression local decoder inter-frame compression encoded bitstream texture coding & codebook shape coding frame delay motion compensated prediction motion estimation mux IDCT IQ Quantizer (Q) - buffer bit rate control motion vectors shape mask + Figure 5.9 MPEG-4 encoder system.
Note: If you are looking for good and high quality web space to host and run your application check Lunarwebhost Adult Web Hosting services