Compression reduces bandwidth and storage requirements by removing redundancy and irrelevancy. Redundancy occurs when data is sent when it’s not needed. Irrelevancy frequently occurs in audio and ...
Audio, video and data distribution can be reduced to one issue — channel capacity. The function of compression is to reduce digitized audio and video to data rates that can be supported by a channel; ...
In digital video compression, using 10 bits to compress the color information in a pixel. Even though most pixels are only eight bits, the extra two bits in the compression process provides for higher ...
As mentioned previously, the characteristics of typical audio signals vary from time to time and therefore we must expect the required bit rate for lossless compression to vary as well. Since the bit ...
Broadcasters and service providers have a wide variety of options to consider when choosing the correct compression strategy for the contribution and distribution of broadcast content. With ...
Without algorithms that compress data to encode information into fewer bits, hard drives would clog up and Internet traffic would slow to a snail's pace. Now, a group of physicists in Canada has shown ...
Because video clips are made up of sequences of individual images, or “frames,” video compression algorithms share many concepts and techniques with still-image compression algorithms. Therefore, we ...
If you use iTunes or if you buy and download digital music, you’ll have come across a number of terms and abbreviations that describe digital audio files. This alphabet soup can be quite confusing.