![]() ![]() Install Advanced Linux Sound Architecture (ALSA) utilities.Create a virtual device that downmix 5.1 channel sound to 2.0.Play Dolby Digital 5.1 Audio and send 6 channels to ALSA Virtual Device that downmix es 5.1 channel sound to 2.0.This instructable will cover the following: The ALSA Virtual Device downmixes the 6 channels of audio into 2 channels as the Raspberry Pi's build-in sound chip support only stereo (2 channels: LEFT and RIGHT). ![]() In this instructable, a media player called MPLAYER will be used to decode sound encoded in Dolby Digital 5.1 and send the 6 channels of audio to an ALSA Virtual Device. Playing a sound file encoded in Dolby Digital 5.1 is doable with Raspberry Pi 2's quad-core processor that runs at 900MHz. ![]()
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