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Recovering Muffled Voice?

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Caio Graco
Recovering Muffled Voice?
on Feb 18, 2013 at 8:24:30 pm

Hi people!

I've been working on a audio file which noise removal was applied.

They did a nice job removing the background noise, but after that, as consequence, now the voice of the speaker got a lil muffled.

What can i do to improve overall quality of the audio/speaker's voice, making it more clear/less muffled?

below is a sample of the audio

Thanks in advance!

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Joseph W. Bourke
Re: Recovering Muffled Voice?
on Feb 19, 2013 at 9:41:14 pm

I suggest that you talk to the people who did the noise reduction, and request that they do a less drastic pass on the noise removal. It sounds as if in effectively reducing the noise, they stepped on a chunk of the voice, most likely the mid to high end.

You could try reducing a bit of the bass and the lower mids, but you really can't get back what's been removed, and it sounds as if it's a good piece of the high end. Better to have a little background noise, and still get the full spectrum of the voice.

Joe Bourke
Owner/Creative Director
Bourke Media

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Angelo Lorenzo
Re: Recovering Muffled Voice?
on Feb 26, 2013 at 3:15:02 am

In my experience, I've found better results with:

1. Grabbing a noise profile
2. Applying a well tuned noise gate
3. Applying noise reduction to the remaining audio

Noise reduction in this instance is usually much less severe, reserving those frequencies above 4kHz that can really add "breath" to the human voice.

I've also had luck with BBE's Harmonic Maximizer plugin (the blue one), applying one tuned near 2-3k and another applied tuned to 5k.

Angelo Lorenzo

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