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Old 10-15-2018, 06:44 PM   #1
julianvb
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Playbacks of gnome-sound-recorder drowned in noise


2018-10-15

I've just made a voice recording with a simple MIC using gnome-sound-recorder (3.18.2-1). I like the simplicity of the process but the voice playbacks sound very weak and contain excessive noise. The symptoms remain unchanged when I use a different MIC input level, microphone, or computer. In short, the recorded voice is just drowned in noise. My Linux Mint systems pass all speaker tests.

How can I improve my recording? Any help will be much appreciated.

julianvb
 
Old 10-16-2018, 04:14 AM   #2
ondoho
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open alsamixer in a terminal.
i have there sliders for "Mic Boost" and "Line Boost" - don't you?
 
Old 10-16-2018, 10:00 PM   #3
julianvb
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Ondoho,

Thanks very much for your suggestion. This is what I see when I open alsamixer.

Julianvb
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Last edited by julianvb; 10-16-2018 at 10:01 PM.
 
Old 10-17-2018, 02:50 PM   #4
ondoho
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you might need to scroll to the right to see all controls, or press F5 to see all.
 
Old 10-17-2018, 06:57 PM   #5
frankbell
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Have you tested using a different mike and different audio software?
 
Old 10-21-2018, 10:04 PM   #6
julianvb
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Frankbell,
Thanks for your kind input. As I stated in my first post, my symptoms remained unchanged when I used another MIC which happened to be a new one, or repeated the test on another LM machine. I haven't tried any new software.

ondoho,
This is what appears when I expand the alsamixer screen with F5.

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Old 10-21-2018, 10:12 PM   #7
frankbell
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Quote:
As I stated in my first post, my symptoms remained unchanged when I used another MIC
(I need to work on my reading composition.)

I would suggest testing with other software, such as, ideally, Audacity. I have found in doing my own recordings (and I've recorded a number of podcasts for Hacker Public Radio) that the raw audio frequently needs editing to remove background noises, pops, leveling, and so on. Stuff that you wouldn't notice if you were chatting live with someone on Skype looms large in playback.

Is it possible that you could post a test recording somewhere where we download it and listen to it? It could be that your raw audio is, as an old doctor I had years ago used to say, "within normal limits."
 
Old 10-22-2018, 02:33 AM   #8
ondoho
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Quote:
Originally Posted by julianvb View Post
ondoho,
This is what appears when I expand the alsamixer screen with F5.
you still need to scroll to the right to see everything, you can do that with the Right arrow key.
then - idk, play with the settings, see if it helps.
remember what you did so you can undo it again.
 
  


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