Integer low delay and MDCT filter banks

R Geiger,G Schuller

doi:10.1109/acssc.2002.1197291

Integer low delay and MDCT filter banks

R Geiger, G Schuller

https://doi.org/10.1109/acssc.2002.1197291

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Publication Date: Jan 1, 2002

Citations: 22

Affiliation: Fraunhofer Institute for Digital Media Technology

#Low Delay Filter Banks #Modified Discrete Fourier Transform Filter Banks + Show 8 more

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Abstract

Recently, lifting-based integer approximations of filter banks have received much attention, especially in the field of image coding. The application of the techniques to cosine modulated filter banks for audio coding, including not only the modified discrete Fourier transform (MDCT) but also low delay filter banks are focused on. Applications of the integer filter banks include lossless audio coding and backward compatible lossless enhancement of MDCT-based perceptual audio coding schemes, such as MPEG-2/4 AAC.

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