Adaptive Spectral Perceptual Entropy Coding
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/2016-07_ASPEC_91_Bonn.jpg/220px-2016-07_ASPEC_91_Bonn.jpg)
ASPEC 91 in the Deutsches Museum Bonn , encoder below, decoder above
Adaptive Spectral Perceptual Entropy Coding (ASPEC) is a method for data compression of audio signals , in which psychoacoustic models are used, among other things . The method is based on Advanced Audio Coding (AAC), AC3 and MP3 .
literature
- Thomas Görne: Sound engineering. Fachbuchverlag Leipzig in Carl Hanser Verlag, Munich et al. 2006, ISBN 3-446-40198-9 .