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TS 26.092 (SA4)
Mandatory Speech Codec speech processing functions –
Adaptive Multi-Rate (AMR) speech codec – Comfort noise aspects

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V14.0.0 (PDF)    2017/03    14 p.
V13.0.0    2015/12    14 p.
V12.0.0    2014/09    14 p.
V11.0.0    2012/09    14 p.
V10.0.0    2011/04    14 p.
V9.0.0    2009/12    14 p.
V8.0.0    2008/12    14 p.
V7.0.0    2007/06    14 p.
V6.0.0    2005/01    14 p.
V5.0.0    2002/06    14 p.
V4.0.0    2001/04    14 p.
V3.0.1    1999/10    14 p.

Rapporteur:  Dr. Bruhn, Stefan
Antecedent:  TS 06.92    
See also:  AMR-related TS/TR    

This TS gives the detailed requirements for the correct operation of the background acoustic noise evaluation, noise parameter encoding/decoding and comfort noise generation for the AMR speech codec during Source Controlled Rate (SCR) operation.

The requirements described in this TS are mandatory for implementation in all UEs capable of supporting the AMR speech codec.

The receiver requirements are mandatory for implementation in all networks capable of supporting the AMR speech codec, the transmitter requirements only for those where downlink SCR will be used.

In case of discrepancy between the requirements described in this TS and the fixed point computational description of these requirements contained in TS 26.073, the description in TS 26.073 will prevail.


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