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TechSpec
  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Definitions and abbreviations
  • 4 General
  • 5 Adaptive Multi-Rate Wideband speech codec transcoding functions
  • 6 Adaptive Multi-Rate Wideband speech codec ANSI C-code
  • 7 Adaptive Multi-Rate Wideband speech codec test vectors
  • 8 Adaptive Multi-Rate Wideband speech codec source controlled rate operation
  • 9 Adaptive Multi-Rate Wideband speech codec voice activity detection
  • 10 Adaptive Multi-Rate Wideband speech codec comfort noise insertion
  • 11 Adaptive Multi-Rate Wideband speech codec error concealment of lost frames
  • 12 Adaptive Multi-Rate Wideband speech codec frame structure
  • 13 Adaptive Multi-Rate Wideband speech codec interface to RAN
  • 14 Adaptive Multi-Rate Wideband speech codec performance characterisation

1 Scope

26.1713GPPAdaptive Multi-Rate - Wideband (AMR-WB) speech codecGeneral descriptionSpeech codec speech processing functionsTS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The present document is an introduction to the speech processing parts of the wideband telephony speech service employing the Adaptive Multi-Rate Wideband (AMR-WB) speech coder. A general overview of the speech processing functions is given, with reference to the documents where each function is specified in detail.