What is AC-3?
The compressed audio format associated with Dolby Digital. AC-3 is used for film, television, DVDs, and other multichannel audio distribution.
Current controls output mono or stereo, not a surround mix. Use supported sample rates and bitrates.
Technical details
AC-3 (Dolby Digital) divides audio into sync frames and uses transform coding with metadata for channels and dynamic range. [1]
Background and compatibility
FFmpeg identifies AC-3 as Dolby Digital; it is used in DVD and broadcast soundtracks and often sits inside a separate media container. [1]
Sources and references
- FFmpeg Formats DocumentationFFmpeg Project
Preview on your device
Playback when the browser supports the audio codec.
Conversion support
Choose a file in the workspace to see the available output formats and options. A supported container may still contain an unsupported codec.
Read the format reference on Wikipedia ↗Technical format documentation ↗