Dominik 'Rathann' Mierzejewski wrote: > > Try -ao oss to use ALSA's OSS emulation and see if it helps. > > Regards, > R. > Well, "mplayer -channels 6 -ao oss -af surround -ac hwac3, file.avi" gives: -playing too fast -loud trash in speakers removing "-ac hwac3" gives sound 2.0 PCM 48kHz