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Post by bob51zhang » May 17th, 2018, 7:59 pm

Audacity, Windows, Analog Mic.

Thanks in advance for any feedback you'd be willing to give!


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Post by knotyouraveragejo » May 17th, 2018, 8:35 pm

Hi Bob. Welcome to LibriVox. Your test has all the correct technical settings, however there is a lot of background noise. Here's what I would recommend.

First consider removing the 60Hz mains hum with a single band parametric.

Instructions here: https://wiki.librivox.org/index.php?title=Removing_Mains_Hum

Then I would recommend you apply a two passes of noise reduction to tone down the background hiss. I used the end silence to get a noise profile each time then applied noise reduction with settings of 12, 6.00, 6. More about this here:


Here's the result - https://librivox.org/uploads/tests/text_bob51zhang_nc.mp3

Finally on watch out for plosives on consonants which occur when your breath hits the microphone as you speak. Try moving your microphone a little to one side or just below or above your mouth when speaking to eliminate these from your recordings.

If you wish, you try these adjustments and upload another test. Just post the link to this same thread to keep all your tests together.
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