Title :
Noise reduction in ADPCM AQJ systems using quantiser correction at the receiver
Author :
Yeoh, F.S. ; Xydeas, C.S.
Author_Institution :
Loughborough University of Technology, Department of Electronic Engineering, Loughborough, UK
Abstract :
A technique is considered which reduces the output noise in ADPCM-AQJ speech coders. Computer simulation results indicate a subjectively perceptible enhancement in the quality of the recovered speech.
Keywords :
analogue-digital conversion; encoding; interference suppression; pulse-code modulation; speech analysis and processing; ADPCM-AQI speech coders; adaptive DPCM; noise reduction; one-word memory adaptive quantiser; quantiser correction; receiver; signal processing; speech quality enhancement;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19830288
