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Re: the State of Linux Audio



On Thu, Jul 16, 2015 at 12:30:33PM -0700, Kevin O'Gorman wrote:
> I read this with great interest because I lost sound some time ago and
> don't know anything about it, or how to control it.
> I'm running Xubuntu 14.04.4, on a brand-new ASUS Z97 Deluxe mobo, with both
> HDMI monitors and onboard Intel sound chips.  The monitors have no
> speakers, so the HDMI channel is useless, but there are speakers connected
> to the mobo and /proc/sound/cards reports them as device 1.  I hadn't heard
> a peep in ages unless I boot into Windoze, which plays sound just fine.
> 
> So I ditched every installed package with "pulse" in the name where doing
> so did not threaten to remove the world.  I tried an old mp3 file with the
> command
> aplay -D hw:1 -f S16_LE -c 2 -r 48000 longfilename.mp3
> and got white noise -- the first peep I've heard in ages under Linux.  It
> also reported
> Playing raw data 'longfilename.mp3' : Signed 16 bit Little Endian, Rate
> 48000 Hz, Stereo
> 
> Can I do something to make this sound not white noise?
> 

Try decoding your mp3 with mpg123 or mplayer. aplay doesn't know
what the format is, and is pushing the raw bitstream out.

Try aplay -L to get a list of devices that alsa knows about.

mplayer will take "-ao alsa:device="

-dsr-


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