ETSI TR 103 138-2018 Speech and multimedia Transmission Quality (STQ) Speech samples and their use for QoS testing (V1 5 1 Includes Diskette).pdf
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1、 ETSI TR 103 138 V1.5.1 (2018-08) Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing TECHNICAL REPORT ETSI ETSI TR 103 138 V1.5.1 (2018-08) 2 Reference RTR/STQ-00221m Keywords QoS, quality, speech ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex
2、- 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 notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may
3、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 authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in pri
4、nt, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of t
5、his 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 services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be repro
6、duced 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 version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restrictio
7、n 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 LTETMare trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partne
8、rs. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TR 103 138 V1.5.1 (2018-08) 3 Contents Intellectual Property Rights 5g3Foreword . 5g3Modal verbs terminology 5g3Introduction 5g31 Scope 6g32 Referenc
9、es 6g32.1 Normative references . 6g32.2 Informative references 6g33 Abbreviations . 7g34 Devices and network access . 7g34.1 Mobile devices . 7g34.2 ISDN/PSTN 8g34.3 Test scenarios . 8g34.3.1 General aspects . 8g34.3.2 Narrowband telephony and narrowband test scenario 8g34.3.3 Wideband telephony and
10、 super-wideband/fullband test scenario . 9g35 Speech samples 10g35.1 General aspects . 10g35.2 Pre-filtering of speech signals 10g35.2.1 Emulation of handsets . 10g35.2.2 Filter for narrowband test scenarios 10g35.2.2.1 IRS send Filter 10g35.2.2.2 MSIN Filter. 11g35.2.2.3 Recommended filters to use
11、in narrowband mobile test scenarios 12g35.2.3 Filter for wideband and fullband telephony test scenarios 12g35.2.3.1 Filter for fullband signals 12g35.2.3.2 14 kHz bandpass . 12g35.2.3.3 Recommendation ITU-T P.341 . 12g35.2.3.4 Recommended filters to use in super-wideband mobile test scenarios . 13g3
12、5.2.4 Reference signals 13g35.3 Audio level . 13g35.3.1 Nominal level 13g35.3.2 Level adjustment with Recommendation ITU-T P.56 13g35.3.3 Input level at test devices 14g36 Scenarios 14g36.1 Narrowband-Measurement Land to Mobile . 14g36.2 Narrowband-Measurement Mobile to Land . 14g36.3 Mobile to Mobi
13、le 15g36.3.1 Narrowband 15g36.3.2 Wideband and super-wideband . 15g37 Synopsis . 16g3Annex A: Coefficients for the reconstruction lowpass filter 17g3Annex B: Bibliography 18g3Annex C: Speech Samples . 19g3C.1 Introduction 19g3C.2 Design. 19g3C.3 Example results 20g3ETSI ETSI TR 103 138 V1.5.1 (2018-
14、08) 4 C.4 Technical specification . 20g3History 22g3ETSI ETSI TR 103 138 V1.5.1 (2018-08) 5 Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is
15、publicly 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
16、ETSI Web 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,
17、 or may become, essential to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right t
18、o use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee
19、 Speech and multimedia Transmission Quality (STQ). Modal verbs terminology In the present document “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 provisi
20、ons). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. Introduction Conducting drive test in multi technology environment presents a challenge to all parties. And the complexity and variance of the different scenarios need to be broken down to handy ins
21、tructions for those who actually configure and conduct the measurements, such as Network Operators, Service Providers, Equipment Vendors and Regulatory Authorities. ETSI ETSI TR 103 138 V1.5.1 (2018-08) 6 1 Scope The present document introduces and explains the use and application of speech samples
22、to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB), super-wideband (SWB) and fullband (FB) for different scenarios such as connections between fixed networks and mobile terminals. 2 References 2.1 Normative references Normative references are not applicable in the p
23、resent document. 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document
24、(including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but they assist the user with
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