2 References

06.943GPPTSVoice Activity Detector (VAD) for Adaptive Multi Rate (AMR) speech traffic channels

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.

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[1] GSM 06.73: "Digital cellular telecommunications system (Phase 2+); ANSI-C code for the Adaptive Multi Rate (AMR) speech codec".

[2] GSM 06.90: "Digital cellular telecommunications system (Phase 2+); Adaptive Multi Rate (AMR) speech transcoding".

[3] GSM 06.93. "Digital cellular telecommunications system (Phase 2+); Discontinuous transmission (DTX) for Adaptive Multi Rate (AMR) speech traffic channels".

[4] ITU, The International Telecommunications Union, Blue Book, Vol. III, Telephone Transmission Quality, IXth Plenary Assembly, Melbourne, 14-25 November, 1988, Recommendation G.711, Pulse code modulation (PCM) of voice frequencies.