uploaded my test file

All languages: post your test recording here. Help check audio files.
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rweder
Posts: 1
Joined: March 18th, 2024, 5:36 pm

Post by rweder »

sjmarky
Posts: 4712
Joined: August 28th, 2006, 8:47 pm
Location: Sacto CA
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Post by sjmarky »

Welcome rweder

I reviewed your test sample, and while it sounds good there are some technical changes needed. LibriVox requires audio that is 128kbps constant bit rate MP3, 44.1kHz sample rate, mono, and between 86dB and 92dB, preferably 89-90. Your test audio settings are correct, except that your audio is in stereo. There is also noticeable room reverb - you need a deader recording space.

You can find advice on improving issues like room echo in the Librivox wiki:
https://wiki.librivox.org/index.php?title=Improve_Your_Recording

When exporting your MP3 from Audacity, go to File>Export Audio. In the pop-up menu select:
Format: MP3 Files
Channels: Mono.
Sample Rate: 44100
Bit Rate Mode: Constant.
Quality: 128kbps.

These selections will be saved for future exports.

See the pinned post at the top of this forum for screen shots of these menus and settings.

You can pre-check your audio yourself by downloading the free Checker app: https://cgjennings.ca/projects/checker/
Passed with Warnings is a fail with regard to volume.
With Checker open, go to Validation>Choose Validation Methods and check Background Noise. Be sure to leave 5 seconds blank at the end of your recording.

Please make a new test recording and post it in a reply to this message. I will come back and review it for you.
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