1 minute test recording

All languages: post your test recording here. Help check audio files.
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Rutheva
Posts: 2
Joined: February 15th, 2024, 6:26 am

Post by Rutheva »

Hi folks, its good to be here, I love books but I'm a bit of a novice with this tech stuff. so any advice (spelt out in layman's terms please) would be welcome. its taken me a while to get here but i'm really looking forward to recording more

https://librivox.org/uploads/tests/test_rutheva.mp3
Rutheva
Posts: 2
Joined: February 15th, 2024, 6:26 am

Post by Rutheva »

oops sorry, just read that I should have included I used Audacity on a windows computer and the microphone is Tonor which plugs in to a USB
sjmarky
Posts: 4855
Joined: August 28th, 2006, 8:47 pm
Location: Sacto CA
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Post by sjmarky »

Welcome rutheva

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 is 94kbps variable bit rate. The volume level is good, but there is too much background noise. It sounds mechanical, like a fan.

Try to isolate your mic from the noise, such as computer fan. If that isn’t entirely successful, use Audacity’s Noise Removal filter to reduce the background noise about 15dB. Noise removal instructions are available here: https://wiki.librivox.org/index.php?title=Noise_Cleaning. A video tutorial on Audacity noise removal is available here: https://youtu.be/rvhqw7zBmEo

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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