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ITU-T P.863.1 (09/2014)

ITU-T P.863建议书应用导则

ITU-T P.863.1建议书提供了在根据ITU-T P.863建议书进行客观语音质量评定时应考虑的某些重要意见。ITU-T P.863建议书的使用者应理解和遵循此建议书中提供的导则。对ITU-T P.863建议书的使用者而言，此建议书是一个补充指导，它描述了通过使用参考语音样本和劣化语音样本来评估语音收听质量的一种方法。ITU-T P.863建议书的研究范围已由其自身做出了明确界定。此建议书既不扩展也不缩小其范围，相反，它提供了为在实践中得到稳定、可靠且有意义的客观测量结果所需的重要信息。

Citation:	https://handle.itu.int/11.1002/1000/12175
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:	2014-09-11
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 12
Further details:	Patent statement(s) Development history

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
3	P.863.1 (06/2019)	In force	here	here	here
2	P.863.1 (09/2014)	Superseded	here	here	here
1	P.863.1 (05/2013)	Superseded	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
P Suppl. 10 (11/1988)	Considerations relating to transmission characteristics for analogue handset telephones	In force	-	here	here
P Suppl. 16 (11/1988)	Guidelines for placement of microphones and loudspeakers in telephone conference rooms and for group audio terminals (GATs)	In force	-	here	here
P Suppl. 20 (03/1993)	Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses	In force	-	here	here
P Suppl. 23 (02/1998)	ITU-T coded-speech database	In force	here	here	here
P Suppl. 24 (10/2005)	Parameters describing the interaction with spoken dialogue systems	In force	here	here	here
P Suppl. 25 (01/2011)	Parameters describing the interaction with multimodal dialogue systems	In force	here	here	here
P Suppl. 26 (09/2017)	Scenarios for the subjective evaluation of audio and audiovisual multiparty telemeeting quality	In force	here	here	here
P Suppl. 27 (01/2017)	Application of ITU-T P.863 and ITU-T P.863.1 for speech processed by blind bandwidth extension approaches	In force	here	here	here
P Suppl. 28 (09/2020)	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
P Suppl. 29 (01/2023)	ITU-T P.800 – Use cases	In force	here	here	here

Title	Approved on	Download
Practical procedures for subjective testing	2011	here
Addition to Section 2.3 of the Handbook on Telephonometry	2000	here
Addition to Section 3 of the Handbook on Telephonometry	2000	here
Additions to the Handbook on Telephonometry	1999	here
Telephonometry	1992	here

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ITU-T Recommendations

ITU-T P.863.1 (09/2014)