A.1 Introduction
A.2 General description of the codec
A.2.1 Speech codec definition
A.2.2 Notational conventions
A.3 Functional description of the encoder
A.3.1
Pre-processing
A.3.2 Linear prediction analysis and
quantization
A.3.3 Perceptual weighting
A.3.4 Open-loop pitch analysis
A.3.5 Computation of the impulse response
A.3.6 Computation of the target signal
A.3.7 Adaptive-codebook search
A.3.8 Fixed codebook – Structure and search
A.3.9 Quantization of the gains
A.3.10 Memory update
A.4 Functional description of the decoder
A.4.1 Parameter decoding procedure
A.4.2 Post-processing
A.4.3 Encoder and decoder initialization
A.4.4 Concealment of frame erasures
A.5 Bit-exact description of the reduced complexity CS-ACELP codec
A.5.1 Use of the simulation software
A.5.2 Organization of the simulation
software