| 有关初步加载延迟对体验质量的影响的主观评估方法 |
ITU-T P.917建议书定义了一个用于开展行为研究的程序，旨在调查视频流性能及其与用户体验质量（QoE）的关系。研究将在受控的环境中进行。受试者暴露于不同的初始加载延迟条件以及对视频流而言典型的其他质量退化，并且可能要求受试者评价视听质量或其体验。另外，可以对其作为长加载时间响应的行为（即在其加载阶段期间终止视频回放）开展研究。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/13843 |
| Series title: |
P series: Telephone transmission quality, telephone installations, local line networks
P.900-P.999: Audiovisual quality in multimedia services |
| Approval date: |
2019-01-13 |
| Provisional name: | P.QUITS |
| Approval process: | AAP |
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Status: |
In force |
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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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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
|
1
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P.917 (01/2019)
|
In force
|
here
|
here
|
here
|
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ITU-T Supplement
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Title
|
Status
|
Summary
|
Table of contents
|
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
|
-
|
here
|
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)
|
In force
|
-
|
here
|
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
|
In force
|
-
|
here
|
here
|
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P Suppl. 23 (02/1998)
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ITU-T coded-speech database
|
In force
|
here
|
here
|
here
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P Suppl. 24 (10/2005)
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Parameters describing the interaction with spoken dialogue systems
|
In force
|
here
|
here
|
here
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P Suppl. 25 (01/2011)
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Parameters describing the interaction with multimodal dialogue systems
|
In force
|
here
|
here
|
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
|
In force
|
here
|
here
|
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
|
In force
|
here
|
here
|
here
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P Suppl. 31 (01/2025)
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Subjective quality evaluation of audiovisual communication in videotelephony services
|
In force
|
here
|
here
|
here
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