How to extract clear voice from a noisy audio file?

I have some noisy audio files, which are voice recordings or lectures. There is no music, but the recordings are noisy.

Sometimes, the voice is not clear. Is there any software that can extract the clear voice out of those audio files? It would be better to have automated processing and batch processing supports.

I'm using Windows 7.

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3 Answers

Regardless of OS, Audacity can do this just fine. So says Wikipedia:

Noise Removal based on sampling the noise to be removed. Surface noise from records, for example, can be removed with hardly any discernable effect on the music.

See this Audacity Wiki entry for Noise Removal.

As for batch, see the manual page.

3

You might want to try the expertise of

Here you have an example of what they can do:

yes, now the AI-based tools are more popular than old software utilities. You can try as well - it's created for voice extraction for music, but I already tried it and was impressed by noise reduction it done.

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