Title :
The modulated lapped transform, its time-varying forms, and its applications to audio coding standards
Author_Institution :
Commun. Res. Centre, Ottawa, Ont., Canada
fDate :
7/1/1997 12:00:00 AM
Abstract :
The modulated lapped transform (MLT) is used in both audio and video data compression schemes. This paper describes its properties and how it can be used to generate a time-varying filterbank. Examples of its implementation in two audio coding standards are presented
Keywords :
audio coding; band-pass filters; code standards; data compression; filtering theory; modulation; signal reconstruction; telecommunication standards; time-varying filters; transform coding; transforms; audio coding standards; audio data compression; digital audio coding; interpolation; modulated lapped transform; perfect reconstruction; subband filtering techniques; time-varying filterbank; time-varying transform; video data compression; Audio coding; Audio compression; Data compression; Discrete cosine transforms; Discrete transforms; Filter bank; Modulation coding; Signal processing algorithms; Transform coding; Video compression;
Journal_Title :
Speech and Audio Processing, IEEE Transactions on
