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ITU-T P.1120 (03/2017)

هذا العنوان غير متوفر باللغة العربية

ستوفر هذه التوصية التوجيه إلى مصممي الأنظمة ومطوريها ومهندسي الاختبار فيما يخص سماعات المتكلم المدمجة في السيارات التي تعمل حول عروض النطاق السمعية Super-WideBand (Hz 14 000-50) و/أو FullBand (Hz 20 000-20).ويوفّر التوجيه على صعيد الأنظمة (مثلاً نقطة مرجعية من الفم/الأذن إلى الشبكة).ويقام في إطار هذه التوصية اختبار ذاتي (أي إدراكي) لتأكيد صلاحية تصميم في ظروف تنشأ في الحياة الفعلية.

Citation:	https://handle.itu.int/11.1002/1000/13176
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.carSFS
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 12
Further details:	Patent statement(s) Development history [4 related work items in progress]

EditionsRelated Supplement(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
1	P.1120 (03/2017)	In force	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

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ITU-T Recommendations

ITU-T P.1120 (03/2017)