| 汽车内的宽带免提通信 |
ITU-T P.1100建议书描述车载窄带免提通信的性能需求和测试方法。该建议书包括： －嵌入式免提系统； －售后免提汽车配件 －有绳听筒；和 ―无线听筒；
用于驾驶时通信的机动车中。 该建议书解决完整系统以及具有用于将免提系统连接到移动网络的短距离无线传输链路的免提话机以及电话子系统的测试。
为测试使用，描述了测试建立和建议的环境条件。该建议书中描述的方法、分析和性能参数是基于ITU-T P.501、ITU T P.502、ITU-T P.340 和 ITU-T P.380建议书中定义的测试信号和测试规程。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/13175 |
| Series title: |
P series: Telephone transmission quality, telephone installations, local line networks
P.1100-P.1199: Communications involving vehicles |
| Approval date: |
2017-03-01 |
| Provisional name: | P.CarHFTWB |
| Approval process: | AAP |
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Status: |
Superseded |
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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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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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