(Jan 17 2014 23:00), Alexander E. Patrakov wrote: > I am not the person who made this decision, but many people prefer their > stereo sources to be upmixed to their 5.1 audio systems, or at least asked > questions such as this in the pure-ALSA era, when such upmixing was hard to > configure: > > https://bbs.archlinux.org/viewtopic.php?id=79820 > > And this somewhat matches the default in off-the-shelf (consumer) hardware > CD/DVD/BluRay players and HDMI/SPDIF receivers, in the sense that all speakers > are active by default if you play a normal stereo audio CD. It's another > matter that off-the-shelf hardware uses more sophisticated upmixing methods > (such as Dolby Pro Logic). Thanks. Hm. So with current PulseAudio structure, for all of the firewire devices, it seems to be hard to limit stereo output. Takashi Sakamoto
