Table of Contents
1Scope
2Normativereferences
3Theencoder
3.1TheModulatedLappedTransform(MLT)
3.2Computingandquantizingtheamplitudeenvelope
3.3Codingtheamplitudeenvelope
3.4Categorizationprocedure
3.5ScalarQuantizedVectorHuffmanCoding(SQVH)
3.6Ratecontrol
3.7TransmissionoftheMLTvectorindices
3.8Bitstream
4Thedecoder
4.1Decodingtheamplitudeenvelope
4.2Determiningcategorization
4.3DecodingMLTcoefficients
4.4Noise-fill
4.5Insufficientbits
4.6Frameerasure
4.7TheInverseMLT(IMLT)
5Ccode
6Flowchartofcategorizationprocedure
AnnexA-Packetformat,capabilityidentifiersand
capabilityparameters
A.1References
A.2PacketstructureforG.722.1frames
A.3CapabilityIdentifiersandParametersforusewith
ITU-TRec.H.245
AnnexB-Floating-pointimplementationforG.722.1
B.1Introduction
B.2Algorithmicdescription
B.3ANSICcode
AnnexC-14kHzmodeat24,32,and48kbit/s
C.1Introduction
C.2Algorithmicdescription
C.3ANSICcode Abstract
Describes a low complexity encoder and decoder that may be used for 7-kHz bandwidth audio signals working at 24 kbit/s or 32 kbit/s.
