Enhanced Audio Codec is an

audio codec An audio codec is a device or computer program capable of encoding or decoding a digital data stream (a codec) that encodes or decodes audio. In software, an audio codec is a computer program implementing an algorithm that compresses and decompres ...

developed and owned by Beijing E-World, that uses a unique perceptual model, spectral band replication, to compress the

audio signal An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary numbers for digital signals. Audio signals have frequencies in the audio frequency range of ro ...

by utilizing the redundancy as well as the relevancy. The EAC codec supports mono,

stereo Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration ...

and

5.1 surround sound 5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. It uses five full bandwidth channels and one low-frequency effects channel (the "point one"). Dolb ...

modes for encoding and decoding. EAC is part of the EVD system specification.

External links

*https://web.archive.org/web/20120205183654/http://en.shinco.com/web/news.php?action=viewnews&news_id=12 *https://web.archive.org/web/20061026032406/http://www.codingtechnologies.com/news/assets/20031118_beijing_eng.pdf *https://web.archive.org/web/20070929000645/http://www.davworld.com/eindex.htm Audio codecs