Add descriptive audio tracks in Compressor
You can create video content for people who are blind or have low vision by adding descriptive audio tracks. Compressor can extract the descriptive audio tracks from audio file types like WAV or AIFF, or from video file types like MOV. In Compressor, you can embed descriptive auto tracks such as language tracks in the QuickTime Movies, Apple Devices, and MPEG-4 formats. For more information about descriptive audio, see the American Council of the Blind’s Audio Description Project website.
Add descriptive audio tracks
Select a job in the Compressor batch area.
In the Audio Properties area of the Job inspector, click Choose next to Descriptive Audio, select a file containing descriptive audio tracks, then click Open.
The audio tracks from the file are extracted and listed with the other audio tracks. Audio tracks with descriptive audio are indicated with
.
Remove descriptive audio tracks
Select a job in the Compressor batch area.
In the Audio Properties area of the Job inspector, click
to remove all descriptive audio tracks.
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