感知客观收听质量评估 |
ITU-T P.863建议书描述了一种客观方法,用于预测ITU-T P.800或ITU-T P.830 ACR仅限收听测试中用户感知的电信总体收听语音质量,频率范围从窄带(300至3 400 Hz)至超宽带(50至14 000 Hz)。ITU-T P.863建议书支持两种操作模式,一种是窄带,一种是超宽带。本建议书对这种方式给予高级别的描述,给出如何使用的建议,并介绍2006-2010年期间开展的基准工作取得的部分成果。该模式的所有重要部分都以附件B的C++标记源代码规范形式给出,并分别以本建议书完整组成部分的独立文件形式提供。附件A还规定了一种一致性测试程序,以允许用户验证该模式的可选实施方式是否正确。在本建议书正文给出的高级别描述与相对应的源代码部分出现冲突情况下,应优先使用附件B所载的源代码。源代码不包含基本库和结构定义,且不能编译为可执行程序。
本建议书包括一个电子附件,内含C++标记源代码(见附件B)和一致性测试数据(见附件A)。 |
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Citation: |
https://handle.itu.int/11.1002/1000/11009 |
Series title: |
P series: Telephone transmission quality, telephone installations, local line networks P.800-P.899: Methods for objective and subjective assessment of speech and video quality |
Approval date: |
2011-01-13 |
Provisional name: | P.OLQA |
Approval process: | AAP |
Status: |
Superseded |
Maintenance responsibility: |
ITU-T Study Group 12 |
Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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P Suppl. 10 (11/1988)
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Considerations relating to transmission characteristics for analogue handset telephones
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In force
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-
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here
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here
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P Suppl. 16 (11/1988)
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Guidelines for placement of microphones and loudspeakers in telephone conference rooms and for group audio terminals (GATs)
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In force
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-
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here
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here
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P Suppl. 20 (03/1993)
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Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses
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In force
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-
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here
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here
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P Suppl. 23 (02/1998)
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ITU-T coded-speech database
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In force
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here
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here
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here
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P Suppl. 24 (10/2005)
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Parameters describing the interaction with spoken dialogue systems
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In force
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here
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here
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here
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P Suppl. 25 (01/2011)
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Parameters describing the interaction with multimodal dialogue systems
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In force
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here
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here
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here
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P Suppl. 26 (09/2017)
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Scenarios for the subjective evaluation of audio and audiovisual multiparty telemeeting quality
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In force
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here
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here
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here
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P Suppl. 27 (01/2017)
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Application of ITU-T P.863 and ITU-T P.863.1 for speech processed by blind bandwidth extension approaches
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In force
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here
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here
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here
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P Suppl. 28 (09/2020)
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Considerations for the development of new QoS and QoE related objective models to be embedded in Recommendations prepared by ITU-T Study Group 12
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In force
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here
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here
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here
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P Suppl. 29 (01/2023)
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ITU-T P.800 – Use cases
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In force
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here
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here
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here
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Title |
Approved on |
Download |
Implementer's Guide 2 for Recommendation ITU-T P.863
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2019-12-05
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here
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Implementers' Guide for Recommendation ITU-T P.863
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2018-05-10
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here
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Title |
Approved on |
Download |
Practical procedures for subjective testing
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2011
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here
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Addition to Section 2.3 of the Handbook on Telephonometry
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2000
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here
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Addition to Section 3 of the Handbook on Telephonometry
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2000
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here
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Additions to the Handbook on Telephonometry
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1999
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here
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Telephonometry
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1992
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here
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