1、 ETSI TS 126 444 V14.1.0 (2018-01) Universal Mobile Telecommunications System (UMTS); LTE; Codec for Enhanced Voice Services (EVS); Test sequences (3GPP TS 26.444 version 14.1.0 Release 14) floppy3TECHNICAL SPECIFICATION ETSI ETSI TS 126 444 V14.1.0 (2018-01)13GPP TS 26.444 version 14.1.0 Release 14
2、Reference RTS/TSGS-0426444ve10 Keywords 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 Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notic
3、e The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorizat
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5、are that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following s
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7、 shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and
8、 LTE are trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 126 444 V14.1.0 (2018-01)23GPP TS 26.4
9、44 version 14.1.0 Release 14Intellectual Property Rights Essential patents 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 publicly available for ETSI members and non-members, and can be fo
10、und 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 Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR P
11、olicy, 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 become, essential to the present document. Trademarks The
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13、e trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to t
14、echnical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted 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/quer
15、yform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need 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 “
16、must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 126 444 V14.1.0 (2018-01)33GPP TS 26.444 version 14.1.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions
17、and abbreviations . 5g33.1 Definitions 5g33.2 Abbreviations . 6g34 General . 6g34.1 Introduction 6g35 Test sequence format 6g35.1 Introduction to test sequence format 6g35.2 File format 7g36 EVS codec test sequences including error concealment of lost packets 7g36.1 Introduction to test sequences 7g
18、36.2 Codec configuration . 7g36.3 EVS codec test sequences 7g36.3.1 EVS encoder test sequences 7g36.3.2 EVS decoder test sequences 7g36.3.3 Test sequences for AMR-WB interoperable function . 7g36.3.4 Test sequences for jitter buffer management 7g37 Conformance Testing . 8g3Annex A (informative): Cha
19、nge history . 9g3History 10g3ETSI ETSI TS 126 444 V14.1.0 (2018-01)43GPP TS 26.444 version 14.1.0 Release 14Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and
20、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 information;
21、 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 incorpor
22、ated in the document. ETSI ETSI TS 126 444 V14.1.0 (2018-01)53GPP TS 26.444 version 14.1.0 Release 141 Scope The present document specifies the digital test sequences for the Enhanced Voice Services (EVS) Codec. These sequences test for a bit-exact implementation of the EVS Codec (3GPP TS 26.445), V
23、oice Activity Detection (VAD) (3GPP TS.26.451), Comfort Noise Generation (3GPP TS 26.449), Discontinuous Transmission (DTX) (3GPP TS 26.450), Error Concealment of Lost Packets (3GPP TS 26.447), Jitter Buffer Management (JBM) (3GPP TS 26.448), and AMR-WB Interoperable Function (3GPP TS 26.446). In ad
24、dition, the present document specifies conformance testing (FFS). 2 References 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
25、 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 tha
26、t document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 26.445: “Codec for Enhanced Voice Services (EVS); Detailed Algorithmic Description“. 3 3GPP TS 26.451: “Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)“.
27、4 3GPP TS 26.449: “Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) Aspects“. 5 3GPP TS 26.450: “Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)“. 6 3GPP TS 26.447: “Codec for Enhanced Voice Services (EVS); Error Concealment of Lost Packets“. 7 3GPP T
28、S 26.442: “ Codec for Enhanced Voice Services (EVS); ANSI C code (fixed-point)“. 8 3GPP TS 26.443: “Codec for Enhanced Voice Services (EVS); ANSI C code (floating-point)“. 9 3GPP TS 26.174: “Adaptive Multi-Rate - Wideband (AMR-WB) Speech Codec Test Sequences“. 10 3GPP TS 26.446: “Codec for Enhanced
29、Voice Services (EVS); AMR-WB Backward Compatible Functions“. 11 3GPP TS 26. 448: “Codec for Enhanced Voice Services (EVS); Jitter Buffer Management“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 3GPP TS 26.445 2, 3GPP TS
30、 26.451 3, 3GPP TS 26.449 4, 3GPP TS 26.450 5, 3GPP TS 26.447 6, 3GPP TS 26.448 11, and 3GPP TS 26.446 10 apply. ETSI ETSI TS 126 444 V14.1.0 (2018-01)63GPP TS 26.444 version 14.1.0 Release 143.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the f
31、ollowing apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. ACELP Algebraic Code-Excited Linear Prediction AMR-WB Adaptive Multi Rate Wideband (codec) CNG Comfort Noise Generator DTX Discontinuous Transmission
32、 EVS Enhanced Voice Services FB Fullband FEC Frame Erasure Concealment IP Internet Protocol JBM Jitter Buffer Management MSB Most Significant Bit MTSI Multimedia Telephony Service for IMS NB Narrowband PS Packet SwitchedPSTN Public Switched Telephone Network SAD Sound Activity Detection SC-VBR Sourc
33、e Controlled - Variable Bit Rate SID Silence Insertion Descriptor SWB Super Wideband VAD Voice Activity Detection WB Wideband WMOPS Weighted Millions of Operations Per Second 4 General 4.1 Introduction Digital test sequences are necessary to test for a bit exact implementation of the EVS codec (TS 2
34、6.445 2), Voice Activity Detection (TS 26.451 3), Comfort Noise Generation (TS 26.449 4), Discontinuous Transmission (TS 26.450 5), and Concealment of Lost Packets (3GPP TS 26.447 6). Jitter Buffer Management (JBM) (3GPP TS 26.448 11), and AMR-WB Interoperable Function (3GPP TS 26.446 10) and for th
35、e testing of the bit exactness of installations of the ANSI C code in TS 26.442 7. In addition, test sequences for the testing of the bit exactness of installations of the ANSI C code in TS 26.443 8 are provided. For a standard compliant implementation of the above specifications the encoder and dec
36、oder output sequences shall match the provided output test sequences in the attached ZIP file. Clause 5 describes the format of the files, which contain the digital test sequences. Clause 6 describes the test sequences for the EVS codec, including error concealment of lost packets, the AMR-WB intero
37、perable function. the VAD, comfort noise generation, discontinuous transmission, the AMR-WB interoperable function, the EVS jitter buffer management, Clause 7 describes the conformance testing for non-bit exact implementations of the EVS codec. 5 Test sequence format 5.1 Introduction to test sequenc
38、e format This clause provides information on the format of the digital test sequences for the EVS codec (TS 26.445 2), Voice Activity Detection (TS 26.451 3), Comfort Noise Generation (TS 26.449 4), Discontinuous Transmission (TS 26.449 5), and Error Concealment of Lost Packets (TS 26.447 6), Jitter
39、 Buffer Management (JBM) (3GPP TS 26.448 11), and AMR-WB Interoperable Function (3GPP TS 26.446 10). ETSI ETSI TS 126 444 V14.1.0 (2018-01)73GPP TS 26.444 version 14.1.0 Release 145.2 File format The test sequence files in PC (little-endian) byte order are provided in archive files (ZIP format, see
40、the pointer file Readme.txt which accompanies the present document). Following decompression, three types of file are provided: - Files for input to the speech encoder: *.INP - Files for comparison with the encoder output and for input to the speech decoder: *.COD - Files for comparison with the dec
41、oder output: *.OUT - Files for input to the speech decoder with JBM *.RTP - One mode control file for the mode switching test *.MOD - Instructions how to operate the test sequences *TXT 6 EVS codec test sequences including error concealment of lost packets 6.1 Introduction to test sequences This cla
42、use provides information on the test sequences designed to exercise the EVS codec (TS 26.445 2). 6.2 Codec configuration The speech encoder shall be configured as instructed in the readme file attached. 6.3 EVS codec test sequences 6.3.1 EVS encoder test sequences The test sequences are provided and
43、 described in the ZIP archive. The test sequences for encoder testing and instructions to operate the encoder are summarized in Readme_EVS_enc.txt. 6.3.2 EVS decoder test sequences The test sequences for decoder testing and instructions to operate the decoder are summarized in Readme_EVS_dec.txt. 6.
44、3.3 Test sequences for AMR-WB interoperable function The test sequences for the AMR-WB interoperable function include the test sequences defined in TS 26.174 9, but *.COD and *.OUT files are not identical to those provided by TS 26.174. Readme_AMRWB_IO_enc.txt and Readme_AMRWB_IO_dec.txt summarized
45、the input test sequences, output test sequences, and instructions to execute the AMR-WB interoperable function test. 6.3.4 Test sequences for jitter buffer management The input test sequences, the output sequences, and instructions to run the jitter buffer management test are summarized in the Readm
46、e_JBM_dec.txt. ETSI ETSI TS 126 444 V14.1.0 (2018-01)83GPP TS 26.444 version 14.1.0 Release 147 Conformance Testing Conformance Testing is for further study. ETSI ETSI TS 126 444 V14.1.0 (2018-01)93GPP TS 26.444 version 14.1.0 Release 14Annex A (informative): Change history Change history Date Meeti
47、ng TDoc CR Rev Cat Subject/Comment New version 2014-09 SA#65 SP-140459 Presented at TSG#65 for approval 1.0.0 2014-09 SA#65 Approved at TSG#65 12.0.0 2014-12 SA#66 SP-140725 0001 Update of existing test vectors for the fixed-point EVS codec 12.1.0 2014-12 SA#66 SP-140725 0002 1 Inclusion of test vec
48、tors for the floating-point EVS codec 12.1.0 2015-03 SA#67 SP-150085 0003 Update of test vectors for the EVS codec 12.2.0 2015-06 SA#68 SP-150202 0004 Update of test vectors for the EVS codec 12.3.0 2015-09 SA#69 SP-150434 0005 1 Update of test vectors for the EVS codec 12.4.0 2015-12 SA#70 SP-15063
49、9 0006 Update of test vectors for the EVS codec 12.5.0 2015-12 SA#70 Version for Release 13 13.0.0 2016-03 SA#71 SP-160064 0008 Update of test vectors for the EVS codec 13.1.0 2016-06 SA#72 SP-160257 0010 A Update of test vectors for the EVS codec 13.2.0 2016-09 SA#73 SP-160589 0012 A Update of test vectors for the EVS codec 13.3.0 2017-03 SA#75 Alignment of source code and test vectors versions (update of Readme.txt file) 13.3.1 Change history Date Meeting TDoc CR Rev Cat Subject/Comment New v
