Thanks for the reply Karl, here is some further info re ur query:
with jack stopped & quit and alsamixer set up both mic and line inputs
are live to speaker outputs.
with jack running and monitor1 & monitor2 connected to darkice and meter
nothing is streamed but still heard over localhost speakers.
front mic is live and set as capture device; when capture device is
selected in patchbay and sent to meter and darkice audio is streamed by
icecast and when tone is applied to line in also is streamed.
when the mic is removed so that local speakers don't feed back through,
the stream being sent still include the tone from the line in. so
despite jack only connecting capture audio from the 'no' microphone, the
MASTER mixer output still appears to be fed out on the capture plugs in
jack.
The master output from localhost would contain mix of line and mic but
the darkice jackpatch is capture device only NOT the master mixed output
according to jack patch setup.
To make matters worse when I stop any audio connections, and return to
see alsa mixer, all are muted suddenly except mic audio and line AND
automute is set to OFF.
doesn't make sense logically from what I understand of the info re jack
and alsa online and in RD wiki/lists; maybe I have got it wrong somehow
Possibly changing to another linux box with multiple sound cards might help
system in the patch window shows capture 1 & 2 which are configurable
under alsamixer to beith either one of two mics or else line in. the
monitor 1-6 I assume are the surround sound outputs with 1 & 2 being
front 2ch stereo; does this mean that there has to be speakers connected
to these jacks on the pc in order to here anything on playbacks 3-6 in
jack patchbay?
On 14-03-26 05:41 PM, Karl Koscher wrote:
Does this happen even when jackd isn't running? If so, your sound card
might be internally mixing the audio input into the output. You'll
need to use alsamixer (or something similar) to fix this.
ALSA apps can use JACK as a virtual sound card. The apps do not need
to be JACK-aware.
On Wed, Mar 26, 2014 at 10:50 AM, VE4PER Andy <[email protected]
<mailto:[email protected]>> wrote:
got all working now with one strange occurrence.
with audacity, alsaplayer, ardour,aqualung and darkice all up and
running and showing their resources in jack connections as one
would expect plugging a 1000 hz tone into the line in immediately
causes tone output to speakers without being patched.
Using audacity to select the line input as it's source the
outputting it through Audcity's jack resources works ; can't
explain why it appears alsa is driving the speakers directly when
jack is running??
Can anyone explain that?
Thanks
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