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TS 26.101
Mandatory Speech Codec Speech Processing Functions –
Adaptive Multi-Rate (AMR) Speech Codec –
Frame Structure

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Rapporteur:
Mr. Järvinen, Kari
Nokia Corporation

full Table of Contents for  TS 26.101  Word version:  18.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content
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1Scope  p. 5
2References  p. 5
3Definitions and Abbreviations  p. 5
3.1Definitions  p. 5
3.2Abbreviations  p. 5
4AMR codec frame format (AMR IF1)  p. 6
4.1AMR Header and AMR Auxiliary Information  p. 6
4.1.1Frame Type, Mode Indication, and Mode Request  p. 6
4.1.2Frame Quality Indicator  p. 7
4.1.3Mapping to TX_TYPE and RX_TYPE  p. 7
4.1.4Codec CRC  p. 8
4.2AMR Core Frame  p. 8
4.2.1AMR Core Frame with speech bits: Bit ordering  p. 8
4.2.2AMR Core Frame with speech bits: Class division  p. 9
4.2.3AMR Core Frame with comfort noise bits  p. 9
4.3AMR frame composition  p. 10
4.4GSM-EFR Frame Composition  p. 11
4.4.1GSM-EFR Frame with speech bits  p. 12
4.4.2GSM-EFR Frame with comfort noise bits  p. 12
AAMR Interface Format 2 (with octet alignment)  p. 13
B(Normative)  Tables for AMR Core Frame bit ordering  p. 17
$Change history  p. 20

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