September 2008
Intermediate to advanced
550 pages
18h 10m
English
Content preview from VoIP Voice and Fax Signal ProcessingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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GLOSSARY
3GPP Third-generation partnership project
A Advantage factor (in R-factor)
AAL5 ATM adaptation layer 5
ABNF augmented Backus–Naur form
AC alternating current
ACELP algebraic code excited linear prediction
ACK acknowledgment
ACR absolute category rating
ADC analog-to-digital converter
ADPCM adaptive differential pulse code modulation
ADSL asymmetric DSL
ADSL2 asymmetric DSL 2
AFE analog front end
AGC automatic gain control
AJB adaptive jitter buffer
A-law logarithmic 64-kbps compression, which is the same as G.711 PCMU
ALC automatic level control
ALG application level gateway
ALU arithmetic logic unit (ALU)
AM amplitude modulation
AMR adaptive multi rate
AMR-HR AMR half rate
AMR-FR AMR full rate
AMR-NB adaptive multirate narrowband
AMR-WB adaptive multirate wideband
ANS answer tone, which is the same as CED
/ANS ANS with phase modulation
ANSam ANS tone with amplitude modulation
/ANSam ANS tone with amplitude and phase modulation
ANSI American National Standards Institute
APP application-specific function
ARQ automatic repeat request
ASN abstract syntax notation
ASN.1 Abstract syntax notation.1
ATM asynchronous transfer mode
ATT American Telephone and Telegraph
BCG bulk call generator
B-Channel Bearer Channel
BNLMS block normalized least mean square
BORSHT battery, overvoltage protection, ringing, supervision, hybrid, and test functions (in the telephone interface)
BPF band-pass filter
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