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Post Posted:: September 26th, 2017, 8:21 pm 

Joined: September 21st, 2017, 10:36 pm
Posts: 1
I am a new volunteer and would appreciate feedback on this test:

https://librivox.org/uploads/tests/test_pinkpanther.mp3

Here are my specs: Audacity, Mac, USB mic

Are the settings correct?
Is the input volume OK? (too soft? too loud?)
Do I have "plosives"? (is my breath hitting the mic and making nasty noises?)
Do I have a hum? a buzz? dc offset? hiss?
Too much noise?


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Post Posted:: September 29th, 2017, 10:18 am 
LibriVox Admin Team

Joined: June 15th, 2008, 10:30 pm
Posts: 36522
Location: Toronto, ON (but Minnesotan to age 32)
Welcome! 8-)

Volume is way too low. It needs to come up about 10-12 dB. Visually, you should aim for your wave forms to peak near the 0.5 mark, like this:
Image

Make sure the microphone slider in the Audacity window is all the way up. Also, have you increased your input volume in Windows yet? Here's a link to instructions: http://wiki.librivox.org/index.php/Audacity_1-2-3#Volume

If you can't get your input volume up, you could amplify all your recordings, but that does also amplify your background noise. (I amplified it to listen to it.) :)

Try getting your volume up, then post another test. I'll comment on the noise then, since it might change when you increase input volume vs. a straight amplify. Post your new test link in this same thread, please.

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