8 Jan
2007
8 Jan
'07
10:29 p.m.
Hoping somebody can give me some hints here...
1) I would like to configure amarok to play output to multiple soundcards
simultaneously. One soundcard is connected to speakers next to my computer;
the other is connected to wireless speakers over USB ( i.e. is a usb audio
device). I can get either/or to work, but haven't figured out how to get
them both to work simultaneously.
2) (not so important) I would like to further extend this so that mplayer
can output to the desktop soundcard at the same time that amarok continues
to play music to the USB audio device.
Does anybody have advice and/or references to boilerplate config that'll
accomplish these?
Thanks,
Reuben
9 Jan
9 Jan
9:29 a.m.
New subject: [linux-audio-user] Outputting same sound source to multiple cards simultaneously
On Mon, 8 Jan 2007 18:29:51 -0800
"reuben firmin" <reuben.firmin(a)gmail.com> wrote:
The problem here is that these soundcards are not guaranteed to be
in sync. A slight different in samplerate will cause that on the
long run, one card will need more buffers to play, while the other
is still processing the previous one.
I don't think there is any software that deals with this, though
maybe I am mistaken. (Theoratically, by randomly 'throwing away'
samples once in a while for the 'slower' soundcard, this problem
could be solved)
Hoping somebody can give me some hints here...
1) I would like to configure amarok to play output to multiple soundcards
simultaneously. One soundcard is connected to speakers next to my computer;
the other is connected to wireless speakers over USB ( i.e. is a usb audio
device). I can get either/or to work, but haven't figured out how to get
them both to work simultaneously.
2) (not so important) I would like to further extend this so that mplayer
can output to the desktop soundcard at the same time that amarok continues
to play music to the USB audio device.
Does anybody have advice and/or references to boilerplate config that'll
accomplish these?
Thanks,
Reuben
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12:25 p.m.
With adequate buffering I think this shouldn't be a problem in my use case
-- the speakers connected to the wireless device will be in a different
room. You're not saying that a soundcard will get so far behind that the
buffers will fill up, are you? Both soundcards are designed to output in
~"real time" after all.
Thanks
On 1/9/07, Maarten de Boer <mdeboer(a)iua.upf.edu> wrote:
On Mon, 8 Jan 2007 18:29:51 -0800
"reuben firmin" <reuben.firmin(a)gmail.com> wrote:
The problem here is that these soundcards are not guaranteed to be
in sync. A slight different in samplerate will cause that on the
long run, one card will need more buffers to play, while the other
is still processing the previous one.
I don't think there is any software that deals with this, though
maybe I am mistaken. (Theoratically, by randomly 'throwing away'
samples once in a while for the 'slower' soundcard, this problem
could be solved)
Hoping somebody can give me some hints here...
1) I would like to configure amarok to play output to multiple
soundcards
simultaneously. One soundcard is connected to
speakers next to my
computer;
the other is connected to wireless speakers over
USB ( i.e. is a usb
audio
device). I can get either/or to work, but
haven't figured out how to get
them both to work simultaneously.
2) (not so important) I would like to further extend this so that
mplayer
can output to the desktop soundcard at the same
time that amarok
continues
to play music to the USB audio device.
Does anybody have advice and/or references to boilerplate config that'll
accomplish these?
Thanks,
Reuben
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linux-audio-user@lists.linuxaudio.org
3 comments
3 participants
participants (3)
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Maarten de Boer -
reuben firmin -
Tobiah