[pulseaudio-discuss] 'Failed to find a working profile' for firewire sound devices

Takashi Sakamoto o-takashi at sakamocchi.jp
Mon Jan 20 21:08:11 PST 2014

(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).


Hm. So with current PulseAudio structure, for all of the firewire 
devices, it seems to be hard to limit stereo output.

Takashi Sakamoto

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