1 Minute Test [OK]

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brian3553
Posts: 6
Joined: July 28th, 2020, 2:40 pm

Post by brian3553 » July 29th, 2020, 2:14 pm

Hello -

I'm looking for some feedback on my initial 1-minute test:

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

The above is an Audacity recording on my iMac, using a condenser mic.

Thank you,

Brian S

Rapunzelina
LibriVox Admin Team
Posts: 9445
Joined: November 15th, 2011, 3:47 am

Post by Rapunzelina » July 30th, 2020, 11:25 am

Welcome to Librivox, Brian!

Tech specs are correct! The only issue is with the volume, which is very quiet. Can you adjust the input volume from your microphone? Or turn up the microphone slider in Audacity, so that when you record, the waveform peaks above the 0.5 mark.
If input volume is already maxed up, you could use the Amplify... effect. This test recording has a dB level around 76 dB. We aim for 89. So you'd probably need to amplify by 13dB. Then if you notice any background noise, you could use the Noise Reduction effect: https://wiki.librivox.org/index.php?title=Noisecleaning_With_Pics#Clean_up_the_Noise:_Audacity_versions_from_2.1.0
If you'd like to check the volume of your recording you might consider using the Checker, a nifty little tool that checks volume and a few other things https://wiki.librivox.org/index.php?title=Checker

When ready with a new test file, please upload here again, and we'll check volume! Thank you!

brian3553
Posts: 6
Joined: July 28th, 2020, 2:40 pm

Post by brian3553 » July 30th, 2020, 3:57 pm

The microphone is already set to the max level from what I can ascertain. I believe I also added 13 db by adjusting the first audio track button up by that amount. And yet, the wave remains unchanged almost flat as before.

Do you have any other suggestions?

Brian

Rapunzelina
LibriVox Admin Team
Posts: 9445
Joined: November 15th, 2011, 3:47 am

Post by Rapunzelina » July 30th, 2020, 10:28 pm

How about if you use the Normalize effect with a dB value of -3 . Does the waveform change? I hope it does, then you can use the noise reduction for any background noise.

brian3553
Posts: 6
Joined: July 28th, 2020, 2:40 pm

Post by brian3553 » August 3rd, 2020, 1:10 pm

Thank you! Adjusting the dB value as you suggested created more of a waveform.

I'll resubmit a new mp3 test file shortly.

Brian

brian3553
Posts: 6
Joined: July 28th, 2020, 2:40 pm

Post by brian3553 » Yesterday, 10:45 am

Here is the test with the adjusted dB value:

https://librivox.org/uploads/tests/test_brian3553.mp3

I look forward to your feedback!

Thank you,

Brian

Rapunzelina
LibriVox Admin Team
Posts: 9445
Joined: November 15th, 2011, 3:47 am

Post by Rapunzelina » Yesterday, 11:09 am

That's it, Brian! This one hits the spot! Now you can have some fun with real recording!! Browse the forum for projects that interest you and get involved!
:clap:

brian3553
Posts: 6
Joined: July 28th, 2020, 2:40 pm

Post by brian3553 » Yesterday, 11:51 am

Excellent! Now I can start recording, finally!

Thank you for the quick response -- much appreciated.

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