Is it possible to eliminate the hissing sound of a recorded audio?

yourreviewer · 09-23-2009, 10:47 PM

Hello,
I have a video presentation which has quite a bit of hissing sound. I was wondering if there are any tools out there that can remove this noise. Please advise.

Thanks
Dan

Loren Woirhaye · 09-23-2009, 10:54 PM

Yes, within some limitations. You can try fooling around with
Audacity (Open Source), which has some filters and tools you
can use to get rid of some of the hiss.

It's generally a matter of figuring out which general frequency the
hissing noise is at and pushing the volume at that frequency
down so it's much quieter and not as noticeable.

CDarklock · 09-23-2009, 10:57 PM

Use a low-pass filter. Techno sweep effects aside, that's what they're for. Adjust the cutoff frequency upward until your main content isn't overly altered. If there's a resonance parameter, keep it at zero.

Floyd Fisher · 09-23-2009, 11:05 PM

Audio Noise Reduction - Free Software Download

Check out 'audio lava' on the page. It just might be what you're looking for.

In the future, I would suggest getting some better equipment. That noise you're hearing is a grounding problem in your sound setup.

09-23-2009, 10:47 PM	#1
yourreviewer Dog Vomit PLR War Room Member Join Date: Apr 2008 Location: USA Posts: 1,171 Thanks: 7 Thanked 85 Times in 69 Posts	Is it possible to eliminate the hissing sound of a recorded audio? Hello, I have a video presentation which has quite a bit of hissing sound. I was wondering if there are any tools out there that can remove this noise. Please advise. Thanks Dan

09-23-2009, 10:54 PM	#2
Loren Woirhaye Who'm I kidding? War Room Member Join Date: May 2006 Location: Easthampton, Massachusetts Posts: 4,542 Blog Entries: 15 Thanks: 117 Thanked 904 Times in 651 Posts Social Networking Contact Info	Re: Is it possible to eliminate the hissing sound of a recorded audio? Yes, within some limitations. You can try fooling around with Audacity (Open Source), which has some filters and tools you can use to get rid of some of the hiss. It's generally a matter of figuring out which general frequency the hissing noise is at and pushing the volume at that frequency down so it's much quieter and not as noticeable.
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09-23-2009, 10:57 PM	#3
CDarklock AT gmail DOT com War Room Member Join Date: May 2009 Location: Kent, WA Posts: 6,951 Blog Entries: 4 Thanks: 1,740 Thanked 5,488 Times in 2,512 Posts Social Networking Contact Info	Re: Is it possible to eliminate the hissing sound of a recorded audio? Use a low-pass filter. Techno sweep effects aside, that's what they're for. Adjust the cutoff frequency upward until your main content isn't overly altered. If there's a resonance parameter, keep it at zero.
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09-23-2009, 11:05 PM	#4
Floyd Fisher Senior Warrior Member War Room Member Join Date: Mar 2003 Location: , , . Posts: 5,430 Thanks: 274 Thanked 183 Times in 140 Posts	Re: Is it possible to eliminate the hissing sound of a recorded audio? Audio Noise Reduction - Free Software Download Check out 'audio lava' on the page. It just might be what you're looking for. In the future, I would suggest getting some better equipment. That noise you're hearing is a grounding problem in your sound setup.
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