1、 ETSI TS 1Universal Mobile TelCodec for EnhT(3GPP TS 26.4floppy3TECHNICAL SPECIFICATION126 444 V12.5.0 (2016elecommunications System (LTE; n anced Voice Services (EVS)Test sequences .444 version 12.5.0 Release 1216-01) (UMTS); S); 12) ETSI ETSI TS 126 444 V12.5.0 (2016-01)13GPP TS 26.444 version 12.
2、5.0 Release 12Reference RTS/TSGS-0426444vc50 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 I
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6、ng services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF ver
7、sion shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI regis
8、tered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 126 444 V12.5.0 (2016-01)23GPP TS 26.444 vers
9、ion 12.5.0 Release 12Intellectual 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 publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “
10、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 Policy, no investigation,
11、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. Foreword This Technical Specification (T
12、S) 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 interpreted as being references to the corresponding ETSI deliverables. The cr
13、oss 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“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as descr
14、ibed 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 TS 126 444 V12.5.0 (2016-01)33GPP TS 26.444 version 12.5.0 Release 12Contents Intellectual Property
15、 Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions 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 EV
16、S codec test sequences including error concealment of lost packets 7g36.1 Introduction to test sequences 7g36.2 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 . 7g
17、36.3.4 Test sequences for jitter buffer management 7g37 Conformance Testing . 8g3Annex A (informative): Change history . 9g3History 10g3ETSI ETSI TS 126 444 V12.5.0 (2016-01)43GPP TS 26.444 version 12.5.0 Release 12Foreword This Technical Specification has been produced by the 3rdGeneration Partners
18、hip Project (3GPP). The contents of the present document are subject to continuing work within the TSG 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 increas
19、e in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 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,
20、 corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 126 444 V12.5.0 (2016-01)53GPP TS 26.444 version 12.5.0 Release 121 Scope The present document specifies the digital test sequences for the Enhanced Voice Ser
21、vices (EVS) Codec. These sequences test for a bit-exact implementation of the EVS Codec (3GPP TS 26.445), Voice 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),
22、 Jitter Buffer Management (JBM) (3GPP TS 26.448), and AMR-WB Interoperable Function (3GPP TS 26.446). In addition, the present document specifies conformance testing (FFS). 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the pre
23、sent 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 d
24、ocument (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 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 26.445: “Codec for Enhanced Voice Services (EVS); Detailed Algorithmic
25、Description“. 3 3GPP TS 26.451: “Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)“. 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)
26、“. 6 3GPP TS 26.447: “Codec for Enhanced Voice Services (EVS); Error Concealment of Lost Packets“. 7 3GPP TS 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: “Ad
27、aptive Multi-Rate - Wideband (AMR-WB) Speech Codec Test Sequences“. 10 3GPP TS 26.446: “Codec for Enhanced 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 Definit
28、ions For the purposes of the present document, the terms and definitions given in 3GPP TS 26.445 2, 3GPP TS 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 V12.5.0 (2016-01)63GPP TS 26.444 version 12.5.0 Release 123
29、.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following 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 Predic
30、tion AMR-WB Adaptive Multi Rate Wideband (codec) CNG Comfort Noise Generator DTX Discontinuous Transmission 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 Na
31、rrowband PS Packet SwitchedPSTN Public Switched Telephone Network SAD Sound Activity Detection SC-VBR Source 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 Intr
32、oduction Digital test sequences are necessary to test for a bit exact implementation of the EVS codec (TS 26.445 2), Voice Activity Detection (TS 26.451 3), Comfort Noise Generation (TS 26.449 4), Discontinuous Transmission (TS 26.450 5), and Concealment of Lost Packets (3GPP TS 26.447 6). Jitter Bu
33、ffer Management (JBM) (3GPP TS 26.448 11), and AMR-WB Interoperable Function (3GPP TS 26.446 10) and for the 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.
34、443 8 are provided. For a standard compliant implementation of the above specifications the encoder and decoder 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 des
35、cribes the test sequences for the EVS codec, including error concealment of lost packets, the AMR-WB interoperable function. the VAD, comfort noise generation, discontinuous transmission, the AMR-WB interoperable function, the EVS jitter buffer management, Clause 7 describes the conformance testing
36、for non-bit exact implementations of the EVS codec. 5 Test sequence format 5.1 Introduction to test sequence 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 26.44
37、9 4), Discontinuous Transmission (TS 26.449 5), and Error Concealment of Lost Packets (TS 26.447 6), Jitter Buffer Management (JBM) (3GPP TS 26.448 11), and AMR-WB Interoperable Function (3GPP TS 26.446 10). ETSI ETSI TS 126 444 V12.5.0 (2016-01)73GPP TS 26.444 version 12.5.0 Release 125.2 File form
38、at The test sequence files in PC (little-endian) byte order are provided in archive files (ZIP format, see 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 compar
39、ison with the encoder output and for input to the speech decoder: *.COD - Files for comparison with the decoder 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 c
40、odec test sequences including error concealment of lost packets 6.1 Introduction to test sequences This clause 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
41、attached. 6.3 EVS codec test sequences 6.3.1 EVS encoder test sequences The test sequences are provided and 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 seq
42、uences for decoder testing and instructions to operate the decoder are summarized in Readme_EVS_dec.txt. 6.3.3 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 no
43、t identical to those provided by TS 26.174. Readme_AMRWB_IO_enc.txt and Readme_AMRWB_IO_dec.txt summarized 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,
44、the output sequences, and instructions to run the jitter buffer management test are summarized in the Readme_JBM_dec.txt. ETSI ETSI TS 126 444 V12.5.0 (2016-01)83GPP TS 26.444 version 12.5.0 Release 127 Conformance Testing Conformance Testing is for further study. ETSI ETSI TS 126 444 V12.5.0 (2016-
45、01)93GPP TS 26.444 version 12.5.0 Release 12Annex A (informative): Change history Change history Date TSG # TSG Doc. CR Rev Subject/Comment Old New 2014-09 65 SP-140459 Presented at TSG#65 for approval 1.0.0 2014-09 65 Approved at TSG#65 1.0.0 12.0.0 2014-12 66 SP-140725 0001 Update of existing test
46、 vectors for the fixed-point EVS codec 12.0.0 12.1.0 2014-12 66 SP-140725 0002 1 Inclusion of test vectors for the floating-point EVS codec 12.0.0 12.1.0 2015-03 67 SP-150085 0003 Update of test vectors for the EVS codec 12.1.0 12.2.0 2015-06 68 SP-150202 0004 Update of test vectors for the EVS code
47、c 12.2.0 12.3.0 2015-09 69 SP-150434 0005 1 Update of test vectors for the EVS codec 12.3.0 12.4.0 2015-12 70 SP-150639 0006 Update of test vectors for the EVS codec 12.4.0 12.5.0 ETSI ETSI TS 126 444 V12.5.0 (2016-01)103GPP TS 26.444 version 12.5.0 Release 12History Document history V12.0.0 October 2014 Publication V12.1.0 January 2015 Publication V12.2.0 April 2015 Publication V12.3.0 July 2015 Publication V12.4.0 October 2015 Publication V12.5.0 January 2016 Publication
