Crackling noise when recording audio on a C2

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Crackling noise when recording audio on a C2

Unread postby recotech » Tue Oct 24, 2017 10:29 am

Hi. I am trying to record audio through a standard USB microphone that is connected to a C2. When I open Audacity, set the correct project rate, recording input device, number of recording channels and click record, there is a loud crackling noise when I playback the recording. It is recording the intended audio but the crackling noise severely impacts the recording and I need it to be clear audio.

My first thought is that it must be a driver issue as I have plugged the same microphone into a Pi3 and laptop without any issues. I am running Ubuntu 16.04.3 LTS on both the C2 and Pi3.

Does anyone know how to fix this issue? Any help would be much appreciated.
recotech
 
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Re: Crackling noise when recording audio on a C2

Unread postby Sebas_Ledesma » Thu Nov 23, 2017 4:09 am

Probably you are facing the same issue than me.
USB recording is broken on C2,
workounds:
- Use the OTG port
- In the 'Sound Preferences' panel selet a mono profile for input.
See more here: https://forum.odroid.com/viewtopic.php?f=136&t=29029
Sebas_Ledesma
 
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