1、 ETSI TR 1Digital cellular telecoUniversal Mobile TelPerformanAdaptive Multi-Rate W(3GPP TR 26.9TECHNICAL REPORT 126 976 V13.0.0 (2016communications system (Phaelecommunications System (LTE; ance characterization of the e Wideband (AMR-WB) speech.976 version 13.0.0 Release 1316-01) hase 2+); (UMTS);
2、 ech codec 13) ETSI ETSI TR 126 976 V13.0.0 (2016-01)13GPP TR 26.976 version 13.0.0 Release 13Reference RTR/TSGS-0426976vd00 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C
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9、d by the GSM Association. ETSI ETSI TR 126 976 V13.0.0 (2016-01)23GPP TR 26.976 version 13.0.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicl
10、y available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI We
11、b server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may
12、 become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be i
13、nterpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “nee
14、d not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TR 126 976 V13.0.0 (20
15、16-01)33GPP TR 26.976 version 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Abbreviations . 10g34 General . 10g34.1 Project history 10g34.2 Overview of the wideband codec work item 11g34.3 Presentation of
16、 the following clauses . 12g35 Performance requirements 12g36 Introduction to the testing of AMR-WB speech codec 13g36.1 AMR-WB Characterisation Phase 13g36.1.1 Characterisation testing in ITU . 14g36.1.2 Characterisation testing in TSG-GERAN . 15g36.2 AMR-WB Verification Phase. 15g36.3 AMR-WB float
17、ing-point verification phase . 15g37 Important notes about the interpretation of test results 16g38 Performance in self-tandeming and with variation of the input speech level. 16g39 Interoperability Performance in Real World Wideband Scenarios 17g310 Interoperability Performance in Real World Narrow
18、band Scenarios . 19g311 Performance of VAD/DTX/CNG Algorithm . 20g312 Performance in Static Errors under Clean Speech Conditions in GSM GMSK . 21g313 Performance in Background Noise in Static C/I Conditions in GSM GMSK 23g314 Performance in Static Errors under Clean Speech Conditions in 3G . 24g315
19、Performance in Background Noise in Static C/I Conditions in 3G 26g316 Performance in Static Errors under Clean Speech Conditions in GERAN 8-PSK FR and HR channels 28g317 Effects of Bit Rate, Input Level, and VAD/DTX (DCR) . 30g318 Effects of Bit Rate, Tandeming, and Background Noise (DCR) 36g319 Eff
20、ects of Wideband Coding and Test Method on Music Quality (ACR, DCR) . 40g320 Performances with DTMF Tones . 43g321 Performance with Special Input Signals. 44g321.1 Arbitrary signal 44g321.2 Bursty random noise signals . 45g321.3 Background noise signals . 45g321.4 Sinusoidal signals . 48g321.5 Squar
21、e wave signals . 48g321.6 All zero signal 49g321.7 Long speech signal (radio play) . 49g321.8 Sinusoidal signals with bad frames 49g3ETSI ETSI TR 126 976 V13.0.0 (2016-01)43GPP TR 26.976 version 13.0.0 Release 1321.9 Summary 49g322 Overload Performance 50g323 Muting Behaviour 50g324 Language Depende
22、ncy . 51g325 Transmission Delay 52g326 Frequency Response . 53g327 Signalling Tones . 55g328 Complexity Analysis 57g329 Comfort Noise Generation . 59g329.1 VAD . 59g329.2 Voice/Channel activity . 60g329.3 Clipping 62g329.4 Comfort Noise Synthesis 63g329.5 Summary 64g330 Performance with music signal
23、s (informal expert listening) 65g331 Switching Performance between AMR and AMR-WB modes 66g3Annex A: Detailed information about the AMR-WB selection phase . 67g3A.1 Performance requirements 67g3A.1.1 GSM FR channel (applications A and B) . 67g3A.1.2 Higher rate channels (applications C and E) 68g3A.
24、1.3 Other requirements and objectives . 69g3A.1.4 Testing of performance requirements in the selection tests 69g3A.2 Selection procedure and methodology for comparison of candidates 69g3A.2.1 Design constraints (Rule 1) 70g3A.2.2 Speech quality 70g3A.2.2.1 Failures in meeting performance requirement
25、s (Rule 2) . 70g3A.2.2.2 Direct comparison of candidates (Rule 3) . 71g3A.3 Selection phase listening tests 71g3A.3.1 Overview of the test plan 72g3A.3.2 Schedule of the selection tests and related activities 73g3A.4 Results of the selection tests . 74g3A.4.1 Comparison against performance requireme
26、nts . 74g3A.4.2 Direct comparison of candidates 75g3A.4.3 Conclusions on the AMR-WB codec candidates 75g3A.5 Highlights of the best candidate codec (Codec 3) based on the selection tests 76g3A.6 Key Selection Phase Documents in 3GPP FTP-site . 76g3A.7 Extracts from the AMR-WB Selection Test Results
27、77g3A.8 Global Analysis Spreadsheet 80g3A.9 Complexity of the AMR-WB Candidate Codecs . 80g3Annex B: AMR-WB Floating-Point Verification 82g3B.1 Subjective test results . 82g3B.2 Non-speech signals . 83g3B.3 Bit-Exactness, Idle-Channel Behaviour and Long-Term Stability Performance . 84g3B.4 Music Per
28、formance (Expert Listening Tests) . 85g3B.5 Overload Performance 85g3ETSI ETSI TR 126 976 V13.0.0 (2016-01)53GPP TR 26.976 version 13.0.0 Release 13B.6 Transparency of Codec for DTMF signals . 86g3B.7 Perceptual Evaluation of Speech Quality (PESQ) 90g3B.8 Operation of the VAD and comfort noise 98g3A
29、nnex C: Change history 105g3History 106g3ETSI ETSI TR 126 976 V13.0.0 (2016-01)63GPP TR 26.976 version 13.0.0 Release 13Foreword This Technical Report has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG
30、 and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for informa
31、tion; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been inc
32、orporated in the document. ETSI ETSI TR 126 976 V13.0.0 (2016-01)73GPP TR 26.976 version 13.0.0 Release 131 Scope The present document provides information of the AMR Wideband (AMR-WB) Characterisation, Verification and Selection Phases. Experimental test results from the speech quality related test
33、ing are reported to illustrate the behaviour of the AMR-WB codec. Additional information is provided, e.g., on implementation complexity of the AMR-WB codec. Also the verification results for the floating-point version of the AMR-WB codec (3GPP TS 26.204) are presented. 2 References The following do
34、cuments 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
35、 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 TR 26.901: “AMR wideband speech codec
36、; Feasibility study report (Release 4)“. 2 Tdoc SP-99060: “Proposed TSG-S4 Work Items for approval“, 3GPP TSG-SA meeting #2, 2-4 March, 1999 (Fort Lauderdale, USA). 3 Tdoc SP-99354: “Common WI description for the Wideband Codec“, 3GPP TSG-SA meeting #5, 11-13 October, 1999 (Kjongju, South Korea). 4
37、Tdoc SP-000259: “AMR Wideband Speech Codec Qualification Phase Report“, 3GPP TSG-SA#8, 26-28 June, 2000 (Dusseldorf, Germany) 5 Tdoc SP-000555: “Results of AMR Wideband (AMR-WB) Codec Selection Phase“, 3GPP TSG-SA, Bangkok, Thailand, December 2000. 6 Tdoc S4-000321: “Permanent Project Document: AMR
38、Wideband Performance Requirements (WB-3, version 2.2)“, 3GPP TSG-S4. 7 Tdoc S4-000508: “Permanent Project Document: Selection Rules for AMR-WB (WB-5b, version 1.1)“, 3GPP TSG-S4. 8 Tdoc S4-000340: “Permanent Project Document: Design Constraints (WB-4, version 1.3)“, 3GPP TSG-S4. 9 Tdoc S4-000427: “P
39、ermanent Project Document: AMR Wideband Codec Development Project Deliverables for the Selection Test (WB-6b, version 2.0)“, 3GPP TSG-S4. 10 Tdoc S4-000382: “Permanent Project Document: AMR-WB Selection Test Plan (WB-8b, version 1.0)“, 3GPP TSG-S4. 11 Tdoc S4-000389: “Permanent Project Document: Pro
40、cessing Functions for WB-AMR Subjective Experiments (WB-7, v.1.0)“, 3GPP TSG-S4. 12 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 13 Tdoc S4-010463: “Test Plan for the AMR Wideband Characterisation Phase 1 v.1.2“, 3GPP TSG-S4. 14 Tdoc S4-010008: “Complexity verification report of the AMR-WB
41、codec“, 3GPP TSG-S4. ETSI ETSI TR 126 976 V13.0.0 (2016-01)83GPP TR 26.976 version 13.0.0 Release 1315 Tdoc S4-010393: “Results of cross-language comparisons for Experiments 1, 2 and 5 of the AMR-WB Characterisation Phase 1A“, 3GPP TSG-S4. 16 Tdoc S4-010021: “DTMF transparency of the AMR-WB speech c
42、odec“, 3GPP TSG-S4. 17 Tdoc S4-010050: “AMR WB Verification: Switching Performance Between AMR WB and AMR“, 3GPP TSG-S4. 18 Tdoc S4-010052: “Verification of the delays for the Wideband AMR codec“, 3GPP TSG-S4. 19 Tdoc S4-010158: “WB-AMR Verification results: Performance with music signals (expert Li
43、stening tests)“, 3GPP TSG-S4. 20 Tdoc S4-010228: “AMR-WB Verification: Special input signals“, 3GPP TSG-S4. 21 Tdoc S4-010230: “AMR-WB verification: Testing of Comfort Noise Generation System“, 3GPP TSG-S4. 22 Tdoc S4-010379: “AMR-WB verification : frequency response“, 3GPP TSG-S4. 23 Tdoc S4-010608
44、: “AMR-WB verification: Signaling Tones“, 3GPP TSG-S4. 24 Tdoc S4-010040: “AMR Wideband Verification Phase - Muting Behaviour“, 3GPP TSG-S4. 25 Tdoc S4-010330: “AMR WB Verification: Overload Performance“, 3GPP TSG-S4. 26 Tdoc S4-020049r1: “Verification of floating-point implementation of AMR-WB usin
45、g Wideband-PESQ“, 3GPP TSG-S4. 27 Tdoc S4-020124: “Addendum to Verification of floating-point implementation of AMR-WB using Wideband-PESQ“, 3GPP TSG-S4. 28 Tdoc S4-020270: “AMR-WB Floating-Point Verification: VAD and Comfort Noise Performance“, 3GPP TSG-S4. 29 Tdoc S4-020113: “AMR WB Floating-point
46、 C-Code Verification: Overload Performance“, 3GPP TSG-S4. 30 Tdoc S4-020080: “AMR-WB Floating-Point Verification: Music Performance (Expert Listening Tests)“, 3GPP TSG-S4. 31 Tdoc S4-020079: “AMR-WB Floating-Point Verification: Bit-Exactness, Idle-Channel Behavior and Long-Term Stability Performance
47、“, 3GPP TSG-S4. 32 Tdoc S4-020114: “Transparency of AMR-WB (Floating-Point) Codec for DTMF signals“, 3GPP TSG-S4. 33 Tdoc S4-020077: “Verification of AMR-WB floating point“, 3GPP TSG-S4. 34 Tdoc S4-020062: “Verification results of the AMR-WB floating-point codec“, 3GPP TSG-S4. 35 Tdoc S4-020064: “Su
48、bjective test results of the AMR-WB floating-point codec“, 3GPP TSG-S4. 36 Tdoc S4-010230: “AMR-WB verification: Testing of Comfort Noise Generation System“, 3GPP TSG-S4. 37 TSG S4#12(00): “Processing Functions for WB-AMR Subjective Experiments“, Annex A, 3GPP TSG-S4#12(00). 38 Tdoc 304/98: “On the
49、Performance of proposed AMR VAD“, ETSI SMG11. 39 Q.7/16: “Subjective Characterization Test Plan for the ITU-T Wideband (7 kHz) Speech Coding Algorithm around 16 kbit/s“; Version 0.7, March 29, 2002. 40 Q.7/12: “Report of the Global Analysis Laboratory for the ITU-T Q.7/16 Wideband Characterization Test“, Geneva, 27 31 May 2002. ETSI ETSI TR 126 976 V13.0.0 (2016-01)93GPP TR 26.976 version 13.0.0 Release 1341 Tdoc GP-020152: “Channel coding for O-TCH/WFS and O-TCH/WHS: High Level Descript
