Lossy compression schemes can be based on a source model, as in the case of speech compression, or a user or sink model, as is somewhat the case in image compression. In this chapter we look at audio ...

Used in terrestrial digital broadcasting, DVD, etc. "MPEG-2Format and Blu-ray and other "MPEG-4 AVC / H.264There are various kinds of video compression standard such as format. Generally, it is a very ...

Google is open-sourcing a new general purpose data compression library called Zopfli that can be used to speed up Web downloads. The Zopfli Compression Algorithm, which got its name from a Swiss bread ...

Coding, information theory and compression constitute the backbone of modern digital communications and data storage. Grounded in Shannon’s seminal work, information theory quantifies the ...

TANDBERG Television’s EN5990 MPEG-4 encoder delivers three-times greater compression of HD signals than what’s possible with MPEG-2 compression. Recently, DIRECTV announced it would begin using MPEG-4 ...

Information theory provides the fundamental framework for understanding and designing data compression algorithms. At its core lies the concept of entropy, a quantitative measure that reflects the ...

WILMINGTON, DEL., Dec. 17, 2020 (GLOBE NEWSWIRE) -- InterDigital, Inc. (NASDAQ: IDCC), a mobile and video technology research and development company, today announced the finalization of Versatile ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article introduces practical methods for ...

In MPEG Layer III coding the compression gain is mainly achieved through the unequal distribution of energy in the different frequency bands, the use of the psychoacoustic model, and Huffman coding.