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Operating Systems Linux Slackware Can't play sound files with aplay or cat to /dev/dsp Post 302478053 by slak0 on Tuesday 7th of December 2010 04:22:10 AM
Old 12-07-2010
Can't play sound files with aplay or cat to /dev/dsp

I am having problems using soundes. Until a few moments ago
the following commands produced errors and no sound:

cat /usr/share/apps/kolf/sounds/blackhole.wav/ > /dev/dsp yielded:
/dev/dsp: Invalid argument

cat /usr/share/apps/kolf/sounds/blackhole.wav > /dev/audio yelded:
/dev/audio: Invalid argument

aplay /usr/share/apps/kolf/sounds/blackhole.wav yielded:
main:590: audio open error: No such file or directory

and yet mplayer was happily playing audio with tv video. For that program the video is set up for drive 0 but for spurious reasons the program has to be fiddled to use drive 1. The camera, BT787, and VIA 8235 cards are 0, 1, 2 respectively. I don't know if this is related.

Now for no apparent reason it has started working. This is not a connection problem. It had been working until I installed Timidity++ which errors out also.
This is a 4 day headache so would make me happy if someone has a solution.
BTW I have seen suggestions to remove PCM add PCM, fiddle with XMMS and other supposed solutions. In scanning ALSAhowto I could find nothing that could link the responses I am getting. Thanks.

Last edited by slak0; 12-07-2010 at 05:29 AM..
 

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ESD(1)                                                       Enlightened Sound Daemon                                                       ESD(1)

NAME
esd - The Enlightened Sound Daemon DESCRIPTION
Starts up EsounD, which provides a sound mixing server. USAGE
esd [options] -d DEVICE force esd to use sound device DEVICE -b run server in 8 bit sound mode -r RATE run server at sample rate of RATE -as SECS free audio device after SECS of inactivity (-1 to disable) -unix use unix domain sockets instead of tcp/ip -tcp use tcp/ip sockets instead of unix domain -public make tcp/ip access public (other than localhost) -promiscuous start unlocked and owned (disable authenticaton) NOT RECOMMENDED -terminate terminate esd daemon after last client exits -noterminate do not terminate esd daemon after last client exits -nobeeps disable startup beeps -beeps enable startup beeps -trust start esd even if use of /tmp/.esd can be insecure -port PORT listen for connections at PORT (only for tcp/ip) -bind ADDRESS binds to ADDRESS (only for tcp/ip) -v --version print version information Possible devices are: /dev/dsp, /dev/dsp2, etc. FILES
/etc/esd.conf daemon configuration file SEE ALSO
esdcat(1), esddsp(1), esdloop(1), esdplay(1), esdsample(1), esd-config(1), esdctl(1), esdfilt(1), esdmon(1), esdrec(1) 3rd Berkeley Distribution EsounD 0.2.41 ESD(1)
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