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Convention Paper

Complexity Scalable Perceptual Tempo Estimation from HE-AAC Encoded Music

Authors: Hollosi, Danilo; Biswas, Arijit

AES Convention 128 · Paper 8109 · May 2010

Abstract

A modulation frequency-based method for perceptual tempo estimation from HE-AAC encoded music is proposed. The method is designed to work on the fully-decoded PCM-domain; the intermediate HE-AAC transform-domain after partial decoding; and directly on the HE-AAC compressed-domain using Spectral Band Replication (SBR) payload. This offers complexity scalable solutions. We demonstrate that SBR payload is an ideal proxy for tempo estimation directly from HE-AAC bit-streams without even decoding them. A perceptual tempo correction stage is proposed based on rhythmic features to correct for octave errors in every domain. Experimental results show that the proposed method significantly outperforms two commercially available systems, both in terms of accuracy and computational speed.

Details

Published in
AES Convention 128
AES Convention
128
Paper number
8109
Publication date
May 6, 2010
Session subject
Audio Content Management—Audio Information Retrieval
Affiliation
Dolby Germany GmbH, Nürberg, Germany; Ilmenau University of Technology, Ilmenau, Germany (See document for exact affiliation information.)
Type
Convention Paper