| 用于窄带电话应用中的客观语音质量评估的单端方法 |
本建议书描述了一个预测3.1 kHz（窄带）电话应用主观质量的客观单端方法。本建议书提供了方法的高层次描述以及对如何使用该方法的建议。附件A中描述了一个ANSI-C参考实施在单独文件中提供，并形成了本建议书的一个组成部分。附件A中还规定了一致性测试程序，以使用户能够验证模型的替代实施是否正确。当本建议书中给出的高层次描述与ANSI-C参考实施有冲突时，以ANSI-C参考实施为准。本建议书包括一个包含ANSI-C参考实施和一致性测试数据的电子附件。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/7305 |
| Series title: |
P series: Telephone transmission quality, telephone installations, local line networks
P.500-P.599: Objective measuring apparatus |
| Approval date: |
2004-05-14 |
| Provisional name: | P.seam |
| Approval process: | AAP |
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Status: |
In force |
| Observation: | This Recommendation includes an electronic attachment containing an ANSI-C reference implementation and conformance testing data |
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Maintenance responsibility: |
ITU-T Study Group 12 |
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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. 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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| Title |
Approved on |
Download |
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Implementers’ Guide for Recommendation ITU-T P.563
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2006-06-13
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here
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| Title |
Approved on |
Download |
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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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