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Signal modification for ADPCM based on analysis-by-synthesis framework
Cited 3 time in
Web of Science
Cited 3 time in Scopus
- Authors
- Issue Date
- 2006-03
- Citation
- IEEE Signal Processing Letters, Vol.13 No.3, pp.177-179
- Abstract
- In this letter, we propose a novel approach to improve the performance of the adaptive differential pulse code modulation (ADPCM) codec by modifying the input signal under the analysis-by-synthesis framework. Modification of the input signal is performed such that the ADPCM codec causes less quantization error. When applied to the ITU-T G.726 ADPCM coder, the proposed algorithm improves the output signal-to-noise ratio up to 2.39 dB. © 2006 IEEE.
- ISSN
- 1070-9908
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