DocumentCode
936292
Title
Pitch synchronous 1st-order linear d.p.c.m. system
Author
Xydeas, C.S. ; Steele, R.
Author_Institution
Loughborough University of Technology, Department of Electronic & Electrical Engineering, Loughborough, UK
Volume
12
Issue
4
fYear
1976
Firstpage
93
Lastpage
95
Abstract
A system called p.s.f.o.l.d. is described which exploits the correlation between successive pitch periods of a speech signal. This system is a differential one and can employ various types of encoders. We describe a p.s.f.o.l.d. system using a 1st-order d.p.c.m. encoder and show that for a speech utterance this system has a peak signal/noise ratio which is 6 dB larger, and has an increase in dynamic range of 13 dB, compared with a 1st-order d.p.c.m. codec.
Keywords
delta modulation; encoding; pulse-code modulation; voice communication; PSFOLD; encoders; pitch synchronous 1st order linear DPCM system; signal/noise ratio; speech signal;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19760073
Filename
4239621
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