| 自适应音视频流业务质量劣化的贡献值推导程序 |
ITU-T P.1211建议书描述了贡献值的推导程序，提供了影响质量的因素（例如媒体质量水平和停滞）与自适应音视频流业务的最终媒体会话质量得分之间的关系。更准确地说，贡献值显示每个影响质量的因素对质量评估模型（例如，ITU-T P.1203或ITU-T P.1204）提供的最终媒体会话质量得分的影响（即降低）程度，该模型采用Shapley理论，这是合作博弈论中在参与者之间分配博弈利润的一个关键概念。这一推导程序可用于监控流媒体服务，因为运营商可以确定哪些影响质量的因素会降低最终媒体会话质量得分。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/15695 |
| Series title: |
P series: Telephone transmission quality, telephone installations, local line networks
P.1200-P.1299: Models and tools for quality assessment of streamed media |
| Approval date: |
2023-10-29 |
| Provisional name: | P.DiAQoSE |
| 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 |
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1
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P.1211 (10/2023)
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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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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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P Suppl. 31 (01/2025)
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Subjective quality evaluation of audiovisual communication in videotelephony services
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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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