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ITU-T P.381 (07/2016)

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数字无线终端通用有线头戴式耳机或头戴式话筒技术要求及测试方法

ITU-T P.381建议书规定了通用耳机接口的关键物理和电声特性，并且提供了相应的测试方法。近年来，3.5 mm和2.5 mm直径的听筒/耳机接口均已广泛用于数字移动终端，现在，用户可以自由地选择由终端厂家最初提供的听筒/耳机或者独立提供的听筒/耳机，然而，用户感知的服务质量（QoS）/体验质量（QoE）会受到接口电气性能以及终端和连接的听筒/耳机之间兼容性的影响。

Citation:	https://handle.itu.int/11.1002/1000/12970
Series title:	P series: Telephone transmission quality, telephone installations, local line networks P.300-P.399: Voice terminal characteristics
Approval date:	2016-07-29
Provisional name:	P.UHIP
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 12
Further details:	Patent statement(s) Development history Associated test signals

EditionsRelated Supplement(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
6	P.381 (03/2023)	In force	here	here	here
5	P.381 (10/2020)	Superseded	here	here	here
4	P.381 (03/2017)	Superseded	here	here	here
3	P.381 (07/2016)	Superseded	here	here	here
2	P.381 (02/2014)	Superseded	here	here	here
1	P.381 (08/2012)	Superseded	here	here	here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. 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. 31 (01/2025)	Subjective quality evaluation of audiovisual communication in videotelephony services	In force	here	here	here