Title :
An objective test for speech codecs
Author :
Bucci, Giovanni ; Franciosi, Federico ; Valocchi, Pietro
Author_Institution :
L´´Aquila Univ., Italy
fDate :
8/1/1997 12:00:00 AM
Abstract :
One of the most difficult issues regarding speech codec design and evaluation is the analysis of the reproduced sound quality. Standard measurements [such as the signal-to-noise ratio (SNR)] aren´t adequate to make an accurate comparison between different codecs due to the masking phenomena of the human ear. The aim of this paper is to propose a simple objective test for the measurement of the coding distortion in analysis-by-synthesis codecs
Keywords :
acoustic variables measurement; spectral analysis; speech codecs; telecommunication equipment testing; AbS coding; analysis-by-synthesis codecs; coding distortion; objective test; signal-to-noise ratio; sound quality; speech codecs; Code standards; Computational complexity; Distortion measurement; Ear; Frequency; Humans; Measurement standards; Psychoacoustic models; Speech codecs; Testing;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
