translate

6.5: Video Communication

There is currently no content classified with this term.

Clause 6.5 (Video communications) provides performance requirements that support users who communicate using sign language and lip-reading. For these users, good usability is achieved with Common Intermediate Format (CIF) resolution, a frame rate of 20 frames per second and over, with a time difference between speech audio and video that does not exceed 100 ms.

Where ICT that provides two-way voice communication includes real time video functionality, the ICT:

a) shall support at least QCIF resolution;

b) should preferably support at least CIF resolution.

Where ICT that provides two-way voice communication includes real-time video functionality, the ICT:

a) shall support a frame rate of at least 12 frames per second (FPS);

b) should preferably support a frame rate of at least 20 frames per second (FPS) with or without sign language in the video stream.

Where ICT that provides two-way voice communication includes real-time video functionality, the ICT should ensure a maximum time difference of 100 ms between the speech and video presented to the user.