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Parametric vector quantization for coding percussive sounds in music

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4 Author(s)
Ye Wang ; Nokia Res. Center, Tampere, Finland ; Jian Tang ; Ahmaniemi, A. ; Vaalgamaa, M.

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.

Published in:

Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on  (Volume:5 )

Date of Conference:

6-10 April 2003