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Backward‐Adaptive Code Excited Linear Prediction

Lajos Hanzo FREng, FIEEE, FIET, DSc, F. Clare Somerville M.Eng, MSc Dr Jason Woodard BA

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Abstract

This chapter contains sections titled: Introduction Motivation and Background Backward-adaptive G728 Codec Schematic Backward-adaptive G728 Coding Algorithm Reduced-rate G728-like Codec: Variable-length Excitation Vector The Effects of Long-term Prediction Closed-loop Codebook Training Reduced-rate G728-like Codec: Constant-length Excitation Vector Programmable-rate 8–4 kbps Low-delay CELP Codecs Backward-adaptive Error Sensitivity Issues A Low-delay Multimode Speech Transceiver Chapter Summary

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What this paper is about

This chapter contains sections titled: Introduction Motivation and Background Backward-adaptive G728 Codec Schematic Backward-adaptive G728 Coding Algorithm Reduced-rate G728-like Codec: Variable-length Excitation Vector The Effects of Long-term Prediction Closed-loop Codebook Training Reduced-rate G728-like Codec: Constant-length Excitation Vector Programmable-rate 8–4 kbps Low-delay CELP Codecs Backward-adaptive Error Sensitivity Issues A Low-delay Multimode Speech Transceiver Chapter Summary

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Available abstract

This chapter contains sections titled: Introduction Motivation and Background Backward-adaptive G728 Codec Schematic Backward-adaptive G728 Coding Algorithm Reduced-rate G728-like Codec: Variable-length Excitation Vector The Effects of Long-term Prediction Closed-loop Codebook Training Reduced-rate G728-like Codec: Constant-length Excitation Vector Programmable-rate 8–4 kbps Low-delay CELP Codecs Backward-adaptive Error Sensitivity Issues A Low-delay Multimode Speech Transceiver Chapter Summary

Key concepts: Code-excited linear prediction, Adaptive Multi-Rate audio codec, Codec, Codebook, Computer science, Speech coding, Codec2, Coding (social sciences)

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