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ITU-T P.805 (04/2007)

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通话质量的主观评价
ITU-T P.805建议书阐述有关评估通信质量的通话测试方法和程序。该方法使用情形示例、分级量表(rating scales)和分析程序估算电信业务的主观质量。通话测试有利于更真实地模拟接近电话用户实际得到服务的情况。此外,通话测试旨在评估可造成通话困难的缺陷效应(如迟延、数据包丢失、回声、中断、噪声、削波(clipping)等),并可用于研究整体系统效应及具体劣化情况。
Citation: http://handle.itu.int/11.1002/1000/9066
Approval date: 2007-04-22
Provisional name:P.conv
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 12
Further details: Patent statement(s)
Development history
Ed. ITU-T Recommendation Status Summary Table of Contents Download
1 P.805 (04/2007) In force
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