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ITU-T - International Telecommunication Union/ITU Telcommunication Sector: Recent submissions
Now showing items 241-260 of 12687
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Signalling requirements for NGN real-time multimedia services supporting IPv6 transition
Abstract: This Recommendation describes the IPv6 transition technologies which could be applied in NGN environment. The signalling requirements supporting NGN real-time multimedia services in IPv4 and IPv6 mixed network are specified. ... -
Characteristics of a single-mode optical fibre and cable
Abstract: Recommendation ITU-T G.652 describes the geometrical, mechanical and transmission attributes of a single‑mode optical fibre and cable which has zero-dispersion wavelength around 1310 nm. The ITU‑T G.652 fibre was originally ... -
Signalling requirements and protocol at the Ne interface between the transport location management physical entity and the network access configuration physical entity
Abstract: This Recommendation provides the protocol for the interface between the transport location management physical entity (TLM-PE) and the network access configuration physical entity (NAC-PE) of the network attachment control ... -
Signalling requirements and protocol at the M2 interface between the transport location management physical entity and the handover decision and control physical entity
Abstract: This Recommendation specifies the protocol for the interface between the transport location management physical entity (TLM-PE) of the network attachment control entity (NACE) and the handover decision and control physical ... -
Interface and signalling requirements and specification for cross stratum optimization
Abstract: To support carrier services for instance cloud services efficiently, Cross Stratum Optimization (CSO) function is introduced. CSO function is aware of the resource usage across the service stratum and transport stratum and ... -
Information and guidelines for assessing and minimizing visual discomfort and visual fatigue from 3D video
Abstract: This Recommendation ITU-T P.916 addresses issues related to assessing and minimizing visual discomfort and visual fatigue from 3D video. Issues addressed include 3D video characteristics that cause visual discomfort; ... -
Methods for the subjective assessment of video quality, audio quality and audiovisual quality of Internet video and distribution quality television in any environment
Abstract: Recommendation ITU-T P.913 describes non-interactive subjective assessment methods for evaluating the one-way overall video quality, audio quality and/or audiovisual quality for applications such as Internet video and ... -
Opinion model for network planning of video and audio streaming applications
Abstract: Recommendation ITU-T G.1071 provides algorithmic models for network planning of IP-based video services. This Recommendation addresses two application areas: -
Subjective assessment methods for 3D video quality
Abstract: This Recommendation ITU-T P.915 describes non-interactive subjective assessment methods for evaluating the one-way overall video quality for three dimensional (3D) video applications such as 3D videoconferencing, and 3D ... -
Identification and layout of ITU-T Recommendations
Abstract: This Recommendation provides information on the means on assigning the letter series designations for ITU‑T Recommendations. -
Subjective test methodology for assessing speech intelligibility
Abstract: Recommendation ITU-T P.807 describes a subjective testing methodology for assessing Speech Intelligibility in communications settings, systems, and devices. The method provides a Percent Correct Intelligibility Score based ... -
Subjective video quality assessment methods for recognition tasks
Abstract: Recommendation ITU-T P.912 defines subjective assessment methods for evaluating the quality of one-way video used for target recognition tasks. "Target" refers to something in the video that the viewer needs to identify ... -
Display requirements for 3D video quality assessment
Abstract: This Recommendation ITU-T P.914 specifies the requirements for the selection of 3D displays when conducting subjective quality assessment experiments. -
Method for the measurement of the communication effectiveness of multiparty telemeetings using task performance
Abstract: Recommendation ITU-T P.1312 describes a subjective test method for quantifying the effectiveness of telemeeting systems in conveying information in multiparty conversation scenarios. This method utilizes a predefined set ... -
Mean opinion score (MOS) terminology
Abstract: This Recommendation provides a terminology which shall be used in conjunction with audio, video and audio-visual quality expressions in terms of Mean Opinion Score (MOS). This terminology is motivated by the intention to ... -
Technical requirements and test methods for the universal wired headset or headphone interface of digital mobile terminals
Abstract: Recommendation ITU‑T P.381 specifies critical physical and electrical-acoustical characteristics for the universal headset interface and provides corresponding test methods. Both 3.5 mm and 2.5 mm diameter headset/headphone ... -
Technical requirements and test methods for multi-microphone wired headset or headphone interfaces of digital wireless terminals
Abstract: 3.5 mm and 2.5 mm diameter headset/headphone interfaces have been widely used in digital mobile terminals during recent years. Nowadays, the consumer is free to choose either the headset/headphone originally provided by ... -
Technical requirements and test methods for the universal wired headset or headphone interface of digital mobile terminals
Abstract: Recommendation ITU‑T P.381 specifies critical physical and electrical-acoustical characteristics for the universal headset interface and provides corresponding test methods. Both 3.5 mm and 2.5 mm diameter headset/headphone ... -
Mean opinion score interpretation and reporting
Abstract: Recommendation ITU-T P.800.2 introduces some of the more common types of mean opinion score (MOS) and describes the minimum information that should accompany MOS values to enable them to be correctly interpreted. -
Mean opinion score (MOS) terminology
Abstract: Recommendation ITU-T P.800.1 provides a terminology which shall be used in conjunction with audio, video and audiovisual quality expressions in terms of Mean Opinion Score (MOS). This terminology is motivated by the intention ...