2 References

26.1323GPPRelease 18Speech and video telephony terminal acoustic test specificationTS

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

– References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific.

– For a specific reference, subsequent revisions do not apply.

– For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.

[1] 3GPP TS 26.131: "Terminal Acoustic Characteristics for Telephony; Requirements".

[2] ITU-T Recommendation B.12 (1988): "Use of the decibel and the neper in telecommunications".

[3] ITU-T Recommendation G.103 (1998): "Hypothetical reference connections".

[4] ITU-T Recommendation G.111 (1993): "Loudness ratings (LRs) in an international connection".

[5] ITU-T Recommendation G.121 (1993): "Loudness ratings (LRs) of national systems".

[6] ITU-T Recommendation G.122 (1993): "Influence of national systems on stability and talker echo in international connections".

[7] Void.

[8] ITU-T Recommendation P.11 (1993): "Effect of transmission impairments".

[9] ITU-T Recommendation P.38 (1993): "Transmission characteristics of operator telephone systems (OTS)".

[10] ITU-T Recommendation P.50 (1993): "Artificial voices".

[11] 3GPP TS 43.058 : "Digital Cellular Telecommunications System Characterization test methods and quality assessment for hands-free mobiles".

[12] VOID.

[13] ITU-T Recommendation P.51 (1996): "Artificial mouth".

[14] ITU-T Recommendation P.57 (12/2011): "Artificial ears".

[15] ITU-T Recommendation P.58 (05/2013): "Head and torso simulator for telephonometry."

[16] ITU-T Recommendation P.79 (11/2007) with Annex A: "Calculation of loudness ratings for telephone sets."

[17] 3GPP TS 46.077 : "Minimum Performance Requirements for Noise Suppresser Application to the AMR Speech Encoder".

[18] ITU-T Recommendation P.64 (06/2019): "Determination of sensitivity/frequency characteristics of local telephone systems".

[19] ITU-T Recommendation P.581 (02/2014): "Use of head and torso simulator (HATS) for hands-free and handset terminal testing".

[20] ITU-T Recommendation P.340 (05/2000): "Transmission characteristics and speech quality parameters of hands-free terminals".

[21] ITU-T Recommendation G.712 (11/2001): "Transmission performance characteristics of pulse code modulation channels".

[22] ITU-T Recommendation P.501 (06/2015): "Test signals for use in telephonometry".

[23] ITU-T Recommendation O.41 (10/1994): "Psophometer for use on telephone-type circuits".

[24] ITU-T Recommendation O.131 (11/1988): "Quantizing distortion measuring equipment using a pseudo-random noise test signal".

[25] Void.

[26] ISO 3745: "Acoustics – Determination of sound power levels of noise sources using sound pressure – Precision methods for anechoic and hemi-anechoic rooms".

[27] ITU-T Recommendation O.132 (11/1988): "Quantizing distortion measuring equipment using a sinusoidal test signal".

[28] ETSI TS 103 737 (2010-08) V1.1.2: "Transmission requirements for narrowband wireless terminals (handset and headset) from a QoS perspective as perceived by the user".

[29] ETSI TS 103 738 (2010-09) V1.1.2: "Transmission requirements for narrowband wireless terminals (handsfree) from a QoS perspective as perceived by the user".

[30] ETSI TS 103 739 (2010-09) V1.1.2: "Transmission requirements for wideband wireless terminals (handset and headset) from a QoS perspective as perceived by the user".

[31] ETSI TS 103 740 (2010-09) V1.1.2: "Transmission requirements for wideband wireless terminals (handsfree) from a QoS perspective as perceived by the user".

[32] ITU-T Recommendation P.380 (11/2003): "Electro-acoustic measurements on headsets".

[33] ITU-T Recommendation P.501 Amendment 1 (2012): "Test signals for use in telephonometry".

[34] ETSI TS 103 106(2013-03) V1.2.1: "Speech Quality performance in the presence of background noise: Background noise transmission of mobile terminals-Objective test methods".

[35] ETSI ES 202 396‑1 (2012-10) V1.4.1: "Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database".

[36] ETSI EG 202 396‑3 (2011-02) V1.3.1: "Speech quality performance in the presence of background noise; Part 3: Background noise transmission – objective test methods: Background noise simulation technique and background noise database".

[37] ITU-T Recommendation P.56 (12/2011): "Objective measurement of active speech level".

[38] IEC 61672: "Electroacoustics – sound level meters – part 1: specifications".

[39] 3GPP TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction".

[40] 3GPP TS 43.050: "Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system".

[41] 3GPP TS 51.010: "Mobile Station (MS) conformance specification; Part 1: Conformance specification".

[42] 3GPP TS 23.203: "Policy and charging control architecture".

[43] ETSI TS 103 224 (2015-08): V1.2.1 "A sound field reproduction method for terminal testing including a background noise database".

[44] ITU-T Recommendation P.863 (09/2014): "Perceptual objective listening quality assessment".

[45] ITU-T Recommendation P.863.1 (09/2014): "Application guide for Recommendation ITU-T P.863".

[46] 3GPP TS 36.521‑1: "User Equipment (UE) comformance specification Radio transmission and reception; Part 1: Conformance Testing".

[47] 3GPP TR 21.905: "Vocabulary for 3GPP specifications".

[48] 3GPP TS 23.402: "Architecture enhancements for non-3GPP accesses".

[49] 3GPP TS 24.302: "Access to the 3GPP Evolved Packet Core (EPC) via non-3GPP access networks; Stage 3".

[50] ETSI TS 103 281(2017-04) V1.1.1: "Speech quality in the presence of background noise: Objective test methods for super-wideband and fullband terminals".

[51] ITU-T Recommendation P.10/G.100 (06/2019).

[52] 3GPP TR 26.921: "Investigations on ambient noise reproduction systems for acoustic testing of terminals".

[53] ITU-T Recommendation P.381: "Technical requirements and test methods for the universal wired headset or headphone interface of digital mobile terminals", 10/2020.

[54] ISO 3: "Preferred numbers — Series of preferred numbers", 1995.

[55] ITU-T Recommedation P.383: "Technical requirements and test methods for headsets or headphones with wired or wireless digital interfaces and associated terminals", 06/2021.

[56] USB Implementers Forum: "USB Type-C^® Cable and Connector Specification", Release 2.0, August 2019.

[57] Bluetooth SIG: "Hands-free Profile: Bluetooth® Profile Specification", v1.8, April 2020.

[58] ITU-T Recommendation P.1100: "Narrowband hands-free communication in motor vehicles".

[59] ITU-T Recommendation P.1110: "Wideband hands-free communication in motor vehicles".

[60] ITU-T Recommendation P.1120: "Super-wideband and fullband stereo hands-free communication in motor vehicles".