Speech and multimedia Transmission Quality (STQ) - Speech quality performance in the presence of background noise - Part 1: Background noise simulation technique and background noise database

The quality of background noise transmission is an important factor, which significantly contributes to the perceived
overall quality of speech. Both existing and, even more notably, the new generation of terminals, networks and system
configurations, including broadband services, can be greatly improved when designed properly, with consideration and
presence of background noise. The present document:
• describes a noise simulation environment using realistic background noise scenarios for laboratory use;
• contains a database including the relevant background noise samples for subjective and objective evaluation.
The present document provides information about the recording techniques needed for background noise recordings and
discusses the advantages and drawbacks of existing methods. Additionally, the present document describes the
requirements for laboratory conditions. The loudspeaker setup and the loudspeaker calibration and equalization
procedure are described. The simulation environment specified can be used for the evaluation and optimization of
terminals and of complex configurations including terminals, networks and other configurations. The main application
areas should be: office, home and car environment.
The setup and database as described in the present document are applicable for:
• Objective performance evaluation of terminals in different (simulated) background noise environments.
• Speech processing evaluation by using the pre-processed speech signal in the presence of background noise,
recorded by a terminal.
• Subjective evaluation of terminals by performing conversational tests, specific double talk tests or talking and
listening tests in the presence of background noise.
• Subjective evaluation in third party listening tests by recording the speech samples of terminals in the presence
of background noise.

Kakovost prenosa govora in večpredstavnih vsebin (STQ) - Kakovost govora v prisotnosti šuma ozadja - 1. del: Simulacijska tehnika šuma ozadja in podatkovna zbirka šumov ozadja

Kakovost prenosa šuma ozadja je pomemben dejavnik, ki bistveno prispeva k sprejeti celotni kakovosti govora. Obstoječo in še toliko bolj novejšo generacijo terminalov, omrežij in konfiguracij sistemov, vključno s širokopasovnimi storitvami, je mogoče znatno izboljšati s pravilnim projektiranjem, ob upoštevanju in obravnavi prisotnosti šumov ozadja. Ta dokument:
• vsebuje opis okolja za simulacijo šuma, v katerem so uporabljeni realistični scenariji za šum ozadja za laboratorijsko uporabo;
• vsebuje zbirko podatkov, vključno z relevantnimi vzorci šuma ozadja za subjektivno in objektivno vrednotenje.
V tem dokumentu so podane informacije o tehnikah zapisovanja, ki so potrebne za zapisovanje šuma ozadja, ter obravnavane so prednosti in pomanjkljivosti obstoječih metod. V tem dokumentu so prav tako opisane zahteve za laboratorijske pogoje. Opisani so postopki nastavljanja zvočnikov ter umerjanja zvočnikov in izenačevanja temperature. Določeno simulacijsko okolje je mogoče uporabiti za vrednotenje in optimizacijo terminalov ter zapletenih konfiguracij, vključno s terminali, omrežji in drugimi konfiguracijami. Glavna območja uporabe naj so: pisarna, domače okolje in avtomobil.
Namestitev in zbirka podatkov, kot sta opisani v tem dokumentu, se uporabljata za naslednje:
• objektivno vrednotenje delovanja terminalov v različnih (simuliranih) okoljih s šumom ozadja;
• vrednotenje obdelave govora s predhodno obdelanim govornim signalom ob prisotnosti šuma ozadja, ki ga zabeleži terminal;
• subjektivno vrednotenje terminalov na podlagi izvedbe pogovornih preskusov, specifičnih preskusov dvojnih prenosov ali preskusov oddajanja in prejemanja ob prisotnosti šuma ozadja;
• subjektivno vrednotenje preskusov prejemanja tretjih oseb z zapisovanjem vzorcev govora terminalov ob prisotnosti šuma ozadja.

General Information

Status
Published
Publication Date
02-Jan-2024
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
19-Dec-2023
Due Date
23-Feb-2024
Completion Date
03-Jan-2024

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Final draft ETSI ES 202 396-1 V1.9.1 (2023-03)






ETSI STANDARD
Speech and multimedia Transmission Quality (STQ);
Speech quality performance
in the presence of background noise;
Part 1: Background noise simulation technique
and background noise database

---------------------- Page: 1 ----------------------
2 Final draft ETSI ES 202 396-1 V1.9.1 (2023-03)

Reference
RES/STQ-308
Keywords
noise, performance, quality, speech
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

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 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 print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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 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 services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
and/or governmental
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2023.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3 Final draft ETSI ES 202 396-1 V1.9.1 (2023-03)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 5
Introduction . 5
1 Scope . 7
2 References . 7
2.1 Normative references . 7
...

ETSI ES 202 396-1 V1.9.1 (2023-05)






ETSI STANDARD
Speech and multimedia Transmission Quality (STQ);
Speech quality performance
in the presence of background noise;
Part 1: Background noise simulation technique
and background noise database

---------------------- Page: 1 ----------------------
2 ETSI ES 202 396-1 V1.9.1 (2023-05)

Reference
RES/STQ-308
Keywords
noise, performance, quality, speech
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
https://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 authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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 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 services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2023.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3 ETSI ES 202 396-1 V1.9.1 (2023-05)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 5
Introduction . 5
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references .
...

SLOVENSKI STANDARD
SIST ES 202 396-1 V1.9.1:2024
01-februar-2024
Kakovost prenosa govora in večpredstavnih vsebin (STQ) - Kakovost govora v
prisotnosti šuma ozadja - 1. del: Simulacijska tehnika šuma ozadja in podatkovna
zbirka šumov ozadja
Speech and multimedia Transmission Quality (STQ) - Speech quality performance in the
presence of background noise - Part 1: Background noise simulation technique and
background noise database
Ta slovenski standard je istoveten z: ETSI ES 202 396-1 V1.9.1 (2023-05)
ICS:
33.040.35 Telefonska omrežja Telephone networks
SIST ES 202 396-1 V1.9.1:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST ES 202 396-1 V1.9.1:2024

---------------------- Page: 2 ----------------------
SIST ES 202 396-1 V1.9.1:2024
ETSI ES 202 396-1 V1.9.1 (2023-05)






ETSI STANDARD
Speech and multimedia Transmission Quality (STQ);
Speech quality performance
in the presence of background noise;
Part 1: Background noise simulation technique
and background noise database

---------------------- Page: 3 ----------------------
SIST ES 202 396-1 V1.9.1:2024
 2 ETSI ES 202 396-1 V1.9.1 (2023-05)

Reference
RES/STQ-308
Keywords
noise, performance, quality, speech
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
https://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 authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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 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 services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2023.
All rights reserved.

ETSI

---------------------- Page: 4 ----------------------
SIST ES 202 396-1 V1.9.1:2024
 3 ETSI ES 202 396-1 V1.9.1 (2023-05)
Contents
Intellectual Property Rights . 5
Foreword .
...

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