模拟有线多麦克风耳麦或耳机及相应终端通用接口的技术要求和测试方法 |
ITU T P.382建议书规定了具有四个以上端子的通用耳麦接口的关键物理和电声特性,并提供了相应的测试方法。近年来,直径3.5毫米和2.5毫米的耳麦或耳机接口已广泛应用于数字移动终端。如今,消费者可以自由选择终端制造商原装的耳麦或HP,或单独提供的其他耳麦或HP。然而,用户感知的服务质量或体验质量既会受到接口电气性能的影响,也会受到终端和连接的耳麦或耳机之间兼容性的影响。 |
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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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