Title :
Parametric vector quantization for coding percussive sounds in music
Author :
Wang, Ye ; Tang, Jian ; Ahmaniemi, Ali ; Vaalgamaa, Markus
Author_Institution :
Nokia Res. Center, Tampere, Finland
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.
Keywords :
audio coding; code standards; error correction codes; music; quality of service; vector quantisation; Advanced Audio Coding frame structure; MPEG-2 AAC; PVQ; bandwidth efficiency; drums; error robustness; music coding; music samples; packet losses; parametric vector quantization; perceptually salient percussive sounds; quality of service; secondary encoding; time domain; Audio coding; Bandwidth; Degradation; Mobile handsets; Multiple signal classification; Music; Quality of service; Robustness; Streaming media; Vector quantization;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on
Print_ISBN :
0-7803-7663-3
DOI :
10.1109/ICASSP.2003.1200055
