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3GPP (SA4)
TS 06.12














Comfort Noise Aspects for Full Rate Speech Traffic Channels

(P) GSM Rel-99 v8.1.0    2001/06    10 p.
(P) GSM Rel-98 v7.1.0    2001/06    10 p.
(P) GSM Rel-97 v6.1.0    2001/06    10 p.
(P) GSM Rel-96 v5.1.0    2001/06    10 p.
(P) GSM Phase-2 v4.1.0    2001/06    10 p.
(P) GSM Phase-1 v3.0.1    1992/02    8 p.

Rapporteur:  NAVARRO, William
Descendant(s):  TS 46.012    

This TS gives the detailed requirements for the correct operation of the background acoustic noise evaluation, noise parameter encoding/decoding and comfort noise generation in GSM Mobile Stations (MS)s and Base Station Systems (BSS)s during Discontinuous Transmission (DTX) on full rate speech traffic channels.

The requirements described in this TS are mandatory for implementation in all GSM MSs. The receiver requirements are mandatory for implementation in all GSM BSSs, the transmitter requirements only for those where downlink DTX will be used.