Table of Contents
1Introductionandreferences
2OutlineofLD-CELP
3LD-CELP(encoderprinciples)
4LD-CELPdecoderprinciples
5Computationaldetails
AnnexA-HybridwindowfunctionsforvariousLPC
analysesinLD-CELP
AnnexB-Excitationshapeandgaincodebooktables
AnnexC-Valuesforbandwidthbroadcasting
AnnexD-Coefficientsofthe1kHzlowpasselliptic
filterusedinpitchperiodextractionmodule
(block82)
AnnexE-Timeschedulingthesequenceofcomputations
AnnexF-Alphabeticallistofabbreviationsusedinthis
Recommendation
AnnexG-16kbit/sfixedpointspecification
AnnexH-VariablebitrateLD-CELPoperationmainly
forDCMEatrateslessthan16kbit/s
AnnexI-Frameorpacketlossconcealmentforthe
LD-CELPdecoder
AnnexJ-Variablebit-rateoperationofLD-CELP
mainlyforvoiceband-dataapplicationsinDCME
AppendixI-Programsandtestsequencesfor
implementationverificationofthealgorithm
oftheITU-TG.72816kbit/sLD-CELPspeech
coder
AppendixII-Speechperformance
AppendixIII-ValuesusedforscalingETPASTduring
frameerasures
Bibliography Abstract
Provides the description of an algorithm for the coding of speech signals at 16 kbit/s using low-delay code excited linear prediction (LD-CELP).
