This document defines a standard vocabulary and data structures for communicating accessibility and related media settings, including closed captions/subtitles, language, and audio description preferences, for devices and software applications designed to receive or play back video programming transmitted in digital format simultaneously with sound. The scope of this vocabulary includes but is not limited to devices and software applications such as TVs, TV media applications, TV “sticks”, set-top boxes, web applications, and mobile device applications.
This document does not address the transmission, exchange or privacy considerations thereof.
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