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A New Noise Injection Model for Audio Compression Algorithms

A new approach for noise thresholds calculation in audio coding is introduced. The proposed scheme relies on a nonuniform filterbank analysis of the signal and on energy-spreading curves inside the cochlea as objective measurement tools do. The shape of the analysis filters matches the human auditory filters, thus temporal effects are taken into account.

Authors: Durot, Xavier; Rault, Jean-Bernard
Affiliation: CCETT, Cesson Sevigne Cedex, France
AES Convention:101 (November 1996) Paper Number:4374 Import into BibTeX
Subject:Low Bit-Rate Audio Coding

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