Audio downmixing combines an audio arrangement with more channels into an arrangement with fewer channels, such as converting supported multichannel sound to stereo. A suitable mix aims to retain important information for the receiving speakers. Its availability and behaviour depend on the application or equipment doing the processing, not on the playlist's display name.
A practical example
A viewer listening through television speakers may need a compatible stereo downmix of a multichannel programme. If dialogue is difficult to hear, the selected track and output arrangement should be examined alongside ordinary volume and speaker settings.
A common misunderstanding
Do not assume that every silent or quiet centre dialogue track will be fixed by turning the volume up. Incorrect output handling can lose important channel information before it reaches the speakers.
Related terms
Stable technical definition. Editorial approach