Issue with alsasrc linein noise capture

[Nicolas Dufresne]

Le mercredi 30 septembre 2015 à 06:04 -0700, Baby Octopus a écrit :
> Pipeline is as follows
> gst-launch-1.0 alsasrc ! voaacenc ! mpegtsmux ! udpsink
> port=10.0.0.123
> port=5050
> 
> Centos : I just get silent audio
> Ubuntu 14.04 : The idea is captured but has lot of noise. arecord,
> audacity
> are also having same noise
> To isolate if the issue is with hardware, I checked on a windows
> machine
> where the capture is perfect(tested with audacity)
> 
> Am I missing something in alsa or pulse configuration?

I recently hit a similar bug with the pulse plugin for alsa library, it
produces wrong timestamps. It could be related if you are testing on a
pulse enabled system. Try setting device="sysdefault" to bypass pulse.

cheers,
Nicolas
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