2 References

26.2903GPPAudio codec processing functionsExtended Adaptive Multi-Rate - Wideband (AMR-WB+) codecRelease 17Transcoding functionsTS

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[1] GSM 43.050: " Digital cellular telecommunications system (Phase 2); Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system"

[2] 3GPP TS 26.194: "AMR wideband speech codec; Voice Activity Detection (VAD)".

[3] 3GPP TS 26.190: " AMR Wideband speech codec; Transcoding functions ".

[4] 3GPP TS 26.304: "ANSI-C code for the floating point Extended AMR Wideband codec".

[5] 3GPP TS 26.273: "ANSI-C code for the fixed point Extended AMR Wideband codec".

[6] M. Xie and J.-P. Adoul, "Embedded algebraic vector quantization (EAVQ) with application to wideband audio coding," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Atlanta, GA, U.S.A, vol. 1, pp. 240-243, 1996.

[7] J.H. Conway and N.J.A. Sloane, "A fast encoding method for lattice codes and quantizers," IEEE Trans. Inform. Theory, vol. IT-29, no. 6, pp. 820-824, Nov. 1983

[8] 3GPP TS 26.193: "AMR Wideband speech codec; Source controlled rate operation".

[9] 3GPP TS 26.244: "Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)"

[10] 3GPP TS 26.192: "AMR Wideband speech codec; Comfort noise aspects"