Downmixing to fewer channels
Whenever
you route track output to a track or device with fewer channels,
Adobe Premiere Pro must downmix the audio to the number
of channels in the destination track. Downmixing is often practical
or necessary because a sequence’s audio may be played back on audio
gear supporting fewer audio channels than the original mix. For
example, you might create a DVD with 5.1 surround audio, but some
customers may use speaker systems or televisions that support only stereo
(2 channels) or mono (1 channel). However, downmixing can also occur
in a project when you assign track output to a track that has fewer
channels. Adobe Premiere Pro provides a 5.1 Mixdown Type option
that lets you choose how to translate 5.1 surround audio into stereo
or mono audio. You can choose from various combinations of Front
channels, Rear channels, and the LFE (low‑frequency effects, or
subwoofer) channel.