1、 ETSI TS 146 054 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (3GPP TS 46.054 version 14.0.0 Release 14) floppy3TECHNICAL SPECIFICATION GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 146 054 V14.
2、0.0 (2017-04)13GPP TS 46.054 version 14.0.0 Release 14Reference RTS/TSGS-0446054ve00 Keywords GSM 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-P
3、rfecture de Grasse (06) N 7803/88 Important notice 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
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6、lease send your comment to one of the following 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 p
7、ermission of ETSI. The content of the PDF version 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 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMan
8、d the ETSI logo are Trade Marks of ETSI registered 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
9、146 054 V14.0.0 (2017-04)23GPP TS 46.054 version 14.0.0 Release 14Intellectual 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-me
10、mbers, 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 Web server (https:/ipr.etsi.org/). Pursua
11、nt 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 become, essential to the present docum
12、ent. Foreword This Technical Specification (TS) 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 t
13、o 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“, “need not“, “will“, “will not“, “can
14、“ 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 TS 146 054 V14.0.0 (2017-04)33GPP TS 46.054 version 14
15、.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions and abbreviations . 5g33.1 Definitions 5g33.2 Abbreviations . 5g34 General . 6g35 Test sequence format 6g35.1 File format 6g35.2 Codec homing 7g36 S
16、peech codec test sequences 7g36.1 Codec configuration . 7g36.2 Speech codec test sequences 8g36.2.1 Speech encoder test sequences 8g36.2.2 Speech decoder test sequences 9g36.2.3 Codec homing sequence . 9g37 DTX test sequences 11g37.1 Codec configuration . 11g37.2 DTX test sequences 11g37.2.1 Predict
17、or values computation 12g37.2.2 Spectral comparison 12g37.2.3 Threshold adaptation. 12g37.2.4 Periodicity detection . 12g37.2.5 Tone detection 12g37.2.6 Safety and initialisation 12g37.2.7 Comfort noise test sequence . 12g37.2.8 Real speech and tones . 12g38 Sequences for finding the 20 ms framing o
18、f the GSM enhanced full rate speech encoder 13g38.1 Bit synchronisation . 13g38.2 Frame synchronisation . 14g38.3 Formats and sizes of the synchronisation sequences 14g39 Trau Testing with 8 Bit A- and -law PCM Test Sequences . 15g310 Alternative Enhanced Full Rate implementation using the Adaptive
19、Multi Rate 12.2 kbit/s mode. 17g3Annex A (informative): Change History 19g3History 20g3ETSI ETSI TS 146 054 V14.0.0 (2017-04)43GPP TS 46.054 version 14.0.0 Release 14Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). Test sequences for a bit exac
20、t implementation of the Enhanced Full Rate (EFR) speech transcoder are contained in the archive files which accompany the present document. The archive contains ZIP compressed files, as follows: Disk1_8 Clause 10: Test sequences for the GSM Enhanced Full Rate (EFR) speech codec; Speech test sequence
21、s TEST0.xxx to TEST8.xxx. Disk2_8 Clause 10: Test sequences for the GSM Enhanced Full Rate (EFR) speech codec; Speech test sequences TEST09.xxx to TEST16.xxx. Disk3_8 Clause 10: Test sequences for the GSM Enhanced Full Rate (EFR) speech codec; Speech test sequences TEST17.xxx to TEST20.xxx, Codec ho
22、ming and synchronisation sequences. Disk4_8 Clause 10: Test sequences for the GSM Enhanced Full Rate (EFR) speech codec; DTX test sequences. Disk5_8 to Clause 10: Test sequences for the GSM Enhance Full Rate (EFR) speech codec; 8 bit Disk8_8 A- and -law compressed test sequences for alternative TRAU
23、 testing. amr122_efr Test sequences for the GSM-EFR speech codec using the Adaptive Multi-Rate (AMR) speech codec mode MR122 (GSM 06.74) The present document specifies the digital test sequences for the GSM enhanced full rate speech codect for the digital cellular telecommunications system. The cont
24、ents 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 increase in version number as follo
25、ws: 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, corrections, updates, etc.
26、z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 146 054 V14.0.0 (2017-04)53GPP TS 46.054 version 14.0.0 Release 141 Scope The present document specifies the digital test sequences for the GSM enhanced full rate speech codec. These seq
27、uences test for a bit exact implementation of the enhanced full rate speech transcoder (GSM 06.60 2), Voice Activity Detection (GSM 06.82 6), comfort noise (GSM 06.62 4) and the discontinuous transmission (GSM 06.81 5). 2 References The following documents contain provisions which, through reference
28、 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 applie
29、s. 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 GSM 01.04: “Digital cellular telecommunication system (Phase 2+); Abbreviations and acronyms“.
30、 2 GSM 06.60: “Digital cellular telecommunications system (Phase 2+); Enhanced Full Rate (EFR) speech transcoding“. 3 GSM 06.61: “Digital cellular telecommunications system (Phase 2+); Substitution and muting of lost frames for Enhanced Full Rate (EFR) speech traffic channels“. 4 GSM 06.62: “Digital
31、 cellular telecommunications system (Phase 2+); Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channels“. 5 GSM 06.81: “Digital cellular telecommunications system (Phase 2+); Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels“. 6 GSM 06.82: “Digi
32、tal cellular telecommunications system (Phase 2+); Voice Activity Detection (VAD) for Enhanced Full Rate (EFR) speech traffic channels“. 7 GSM 06.53: “Digital cellular telecommunications system (Phase 2+); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec“. 8 GSM 06.51: “Digital cellular
33、 telecommunications system (Phase 2+); Enhanced Full Rate (EFR) speech coding functions; General description“. 3 Definitions and abbreviations 3.1 Definitions Definition of terms used in the present document can be found in GSM 06.60 2, GSM 06.61 3, GSM 06.62 4, GSM 06.81 5 and GSM 06.82 6. 3.2 Abbr
34、eviations For the purposes of the present document, the following abbreviations apply: ETS European Telecommunication Standard ETSI ETSI TS 146 054 V14.0.0 (2017-04)63GPP TS 46.054 version 14.0.0 Release 14GSM Global System for Mobile communications For abbreviations not given in this subclause see
35、GSM 01.04 1. 4 General Digital test sequences are necessary to test for a bit exact implementation of the enhanced full rate speech transcoder (GSM 06.60 2), Digital test Voice Activity Detection (GSM 06.82 6), comfort noise (GSM 06.62 4) and the discontinuous transmission (GSM 06.81 5). The test se
36、quences may also be used to verify installations of the ANSI C code in GSM 06.53 7. Clause 5 describes the format of the files which contain the digital test sequences. Clause 6 describes the test sequences for the speech transcoder. Clause 7 describes the test sequences for the VAD, comfort noise a
37、nd discontinuous transmission. Clause 8 describes the method by which synchronisation is obtained between the test sequences and the speech codec under test. Clause 9 describes the alternative acceptance testing of the speech encoder and decoder in the TRAU by means of 8 bit A- or -law compressed te
38、st sequences on the A-Interface. Test sequences for an alternative and fully interoperable implementation using as a basis the 12.2 kbit/s mode of the Adaptive Multi Rate speech coder are described in section 10. Electronic copies of the digital test sequences are provided as clause 10, these digita
39、l test sequences are contained in the archive ts_100725v080100p0.zip which accompanies the present document. 5 Test sequence format This clause provides information on the format of the digital test sequences for the GSM enhanced full rate speech transcoder (GSM 06.60 2), Voice Activity Detection (G
40、SM 06.82 6), comfort noise (GSM 06.62 4) and the discontinuous transmission (GSM 06.81 5). 5.1 File format The test sequence files are provided in archive ts_100725v080100p0.zip which accompanies the present document. Following decompression, four types of file are provided: - Files for input to the
41、 GSM enhanced full rate speech encoder: *.INP - Files for comparison with the encoder output: *.COD - Files for input to the GSM enhanced full rate speech decoder: *.DEC - Files for comparison with the decoder output: *.OUT The *.DEC files are generated from the corresponding *.COD files. Tables 1,
42、2, 3 and 4 define the formats of the four types of file. Each speech parameter within the speech frame of 244 bits/20 ms is contained in a serial string of 16 bit words, where each word contains the value of one bit of the parameter. In each string of n 16 bit words containing the n bits of a parame
43、ter, the most significant bit of the parameter is written first, and the least significant bit is written last. The bit value contained in a single 16 bit word is either 0x0000 or 0x0001 (right justified) for the binary values of “0” and “1”, respectively. See table 6 of GSM 06.60 2 for the order of
44、 occurrence and bit allocation of speech parameters within the speech frame of 244 bits/20 ms. The samples in the encoder input signal and in the decoder output signal are left justified. ETSI ETSI TS 146 054 V14.0.0 (2017-04)73GPP TS 46.054 version 14.0.0 Release 145.2 Codec homing Each *.INP file
45、includes two homing frames at the start of the test sequence. The function of these frames is to reset the speech encoder state variables to their initial value. In the case of a correct installation of the ANSI-C simulation (GSM 06.53 7), all speech encoder output frames shall be identical to the c
46、orresponding frame in the *.COD file. In the case of a correct hardware implementation undergoing testing, the first speech encoder output frame is undefined and need not be identical to the first frame in the *.COD file, but all remaining speech encoder output frames shall be identical to the corre
47、sponding frames in the *.COD file. Each *.DEC file includes two homing frames at the start of the test sequence. The function of these frames is to reset the speech decoder state variables to their initial value. In the case of a correct installation of the ANSI-C simulation (GSM 06.53 7), all speec
48、h decoder output frames shall be identical to the corresponding frame in the *.OUT file. In the case of a correct hardware implementation undergoing testing, the first speech decoder output frame is undefined and need not be identical to first frame in the *.OUT file, but all remaining speech decode
49、r output frames shall be identical to the corresponding frames in the *.OUT file. Table 1: Encoder input sequence (*.INP) format Name Description No. of bits Justification s(n) Encoder input signal 13 LeftTable 2: Encoder output sequence (*.COD) format Name Description No. of bits Justification Speech parameters SPEECH Serial stream of speech parameter bits to the channel encoder 244 Right Additional information VAD SP Voice activity detection flag SP flag 1 1 Right Right Table 3: Decoder input sequenc
