Title :
Adaptive non-uniform sampling delta modulation for audio/image processing
Author :
Zhu, Y.S. ; Leung, S.W. ; Wong, C.M.
Author_Institution :
Dept. of Electron. Eng., City Polytech. of Hong Kong, Kowloon, Hong Kong
fDate :
11/1/1996 12:00:00 AM
Abstract :
Adaptive non-uniform sampling delta modulation (ANS-DM), a modification of the non-uniform sampling delta modulation (NS-DM) technique, is proposed and examined. The proposed technique has been applied to audio and image processing; simulation results have shown that the ANS-DM technique has good improvement over linear delta modulation (LDM), adaptive delta modulation (ADM) and NS-DM on the compression ratio, the SQNR, and the dynamic range
Keywords :
adaptive signal processing; audio coding; data compression; delta modulation; image coding; signal sampling; SQNR; adaptive delta modulation; audio processing; compression ratio; dynamic range; image processing; linear delta modulation; nonuniform sampling delta modulation; simulation results; Delta modulation; Equations; Logic; Noise level; Sampling methods; Signal processing; Signal sampling; Streaming media;
Journal_Title :
Consumer Electronics, IEEE Transactions on