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Old May 24th, 2004, 02:56 PM   #1
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Question for D-Spotted-Eagle on SF Noise Reduction

I have an outside interview that was done on a portable dat (Casio da-7 dual track). The voice is low but workable, but the speaker had a habit of slapping his hands on the desk where the mic was placed. Subsequently there are a few instances where in the middle of his talk you hear a fading high pitch sound that causes feedback on my speakers and drowns him out. It produces a fading spike on the time-line. I am new to sound forge ( and for that matter sound editing) and was wondering if you or someone knowledgeable could help in reduce or remove the spike and save, if possible, the underlying vocals (which I can hear under the noise.) In so doing I would like to avoid the voice degradation and mechanical sound I tend to get whenever I use this feature. I can use soundforge, goldwave, or wavelab. I say this because I will use whichever is best to do the job. Please help.

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Old May 24th, 2004, 10:44 PM   #2
 
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NR is about as good as it gets, the secret is grabbing a small slice of the audio file. If you want to post less than 30 seconds of the file to an ftp or website, I'll grab it when I've got a high speed.
There is an article on how to use this feature on the Sundance site as well.
http://www.sundancemediagroup.com/help/kb
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Old May 25th, 2004, 08:21 AM   #3
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I will post a sample on Friday night

D-S-E, I will post a sample of the file on Friday night (I am away on a business trip until then). Also depending on your needs I can email it directly to your email address (your choice). BTW where can I get the SF DVD?

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Old May 25th, 2004, 09:02 AM   #4
 
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I'm also on travel, teaching in LA today, and then off to San Francisco tomorrow....but should have high speed in SFO
You can pick up the SF DVD from the http://www.vasst.com/dvdproducts/soundforge.htm pages.
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Old May 25th, 2004, 01:43 PM   #5
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There's an alternate way to rescuing the dialogue. You can take parts of words from other parts of his talk and put them in. You don't edit between words but within words.

When you say the phrase "fix it in post", there will be a split second where you are making no sound in the middle of the p sound. That's one point where you can do an edit.

If you get Jay Rose's book Audio Postproduction for Digital Video it'll go into much more detail about this.

If the speaker changes pacing or pitch then this may not work that well.
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