Parametric vector quantization for coding percussive sounds in music

Authors:
Ye Wang;Jian Tang;A. Ahmaniemi;M. Vaalgamaa
Affiliations:
Nokia Res. Center, Tampere, Finland;Nokia Res. Center, Tampere, Finland;Nokia Res. Center, Tampere, Finland;Dipt. di Elottronica, Politecnico di Torino, Italy
Venue:
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 3 (ICME '03) - Volume 03
Year:
2003

Citing 0
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Abstract

This paper presents a novel parametric vector quantization (PVQ) scheme as the secondary encoding to code perceptually salient percussive sounds such as drums in the time domain. It is deployed to improve the quality of service in the case of packet losses during percussive events. As a generalization and an improvement of our earlier system, the new scheme can achieve a better balance between bandwidth efficiency and error robustness. The proposed coding technique has been implemented with the MPEG-2 AAC (advanced audio coding) frame structure. Experimental results with music samples have shown the effectiveness of the proposed scheme.