1 Minute Test [OK]

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RogueRose
Posts: 3
Joined: May 10th, 2020, 4:23 pm

Post by RogueRose » May 20th, 2020, 9:54 pm

Hi! My name is Jim, and below is the link for my test.

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

I'm using Audacity on Windows 10. My mike is analog with a USB converter. Thank you for taking the time to listen, and I look forward to your feedback. :-)

knotyouraveragejo
LibriVox Admin Team
Posts: 16314
Joined: November 18th, 2006, 4:37 pm

Post by knotyouraveragejo » May 22nd, 2020, 2:04 pm

Hi Jim,

Thanks for you test. The volume on this recording is in range, but a little on the low side (86.5 db). We aim for 89 db with an acceptable range of 86-92 db and you have a bit of background hiss that could be removed.

Please try increasing the mic input volume either in Audacity or in the Sounds and Audio section of the Control Panel. This adjustment will also help increase the signal to noise with regard to the background.

To judge whether you have the volume set correctly, your waveform in Audacity should look similar to this example:

Image

Detailed instructions for adjusting your input levels can be found here:

http://wiki.librivox.org/index.php/Setting_Recording_Input_Level


You can download the checker program to check your volume after exporting to mp3 and before you upload your file.

https://wiki.librivox.org/index.php/Checker

If you prefer you can use the Replay Gain plugin in directly in Audacity to tell you how much your file needs to be amplified to get to 89 db. Instructions here:

https://wiki.librivox.org/index.php/Measuring_Volume_within_Audacity

If you can't adjust your input volume to reach the target 89 db, then, you will need to use the Effect:Amplify to actually amplify the file. Important: be sure the box to allow clipping is not checked!

I would recommend you apply a little noise reduction to tone down the background hiss. Two passes using the default settings seemed to take care of it pretty well.

http://wiki.librivox.org/index.php/Noise_Cleaning

Please try the above and upload another test. Just post the link to this same thread to keep all your tests together.
Jo
My Librivox Solos
Books are the carriers of civilization. Without books, history is silent, literature dumb, science crippled, thought and speculation at a standstill. - Barbara Tuchman

RogueRose
Posts: 3
Joined: May 10th, 2020, 4:23 pm

Post by RogueRose » May 25th, 2020, 4:31 pm

Thank you for the suggestions! Here is an updated upload, please let me know if anything else needs to be changed.

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

Rapunzelina
LibriVox Admin Team
Posts: 9084
Joined: November 15th, 2011, 3:47 am

Post by Rapunzelina » May 27th, 2020, 1:45 am

Yes that's great! Marked OK!

Have fun recording, Jim! :clap:

RogueRose
Posts: 3
Joined: May 10th, 2020, 4:23 pm

Post by RogueRose » May 28th, 2020, 6:59 am

Thank you! :D

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