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Article #1160

Re: Having messed with FFT programs, I have a few questions...

#1160
From: Dave Mc Mahan
Date: Tue, 04 Dec 1990 05:57
24 lines
1436 bytes
The following article is being re-posted to this newsgroup at the request
of the original author.  He accidentally sent it to me as a reply when he
really meant to post it in followup.

---------------    Text of the re-post article    --------------------

Date: Mon, 3 Dec 90 12:15:52 -0600
Subject: Re: Having messed with FFT programs, I have a few questions...
Newsgroups: comp.dsp

Wouldn't it be possible to rid yourself of the "glitch" problem by crossfading
the section you are working with?  They do this to get "clickless" loops in
samplers, and it seems the technique might work here.  Just make a copy of the
section, reverse it, ramp the volume up like this:  "/"

Then, ramp the volume down of the original section like this: "\"

And mix the two together.  Then beat until smooth (just kidding).  Then
do your fft on that modified section.  


-- 
Dave McMahan                            mcmahan@netcom.uucp
					{apple,amdahl,claris}!netcom!mcmahan
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From: mcmahan@netcom.UUCP (Dave Mc Mahan)
Newsgroups: comp.dsp
Subject: Re: Having messed with FFT programs, I have a few questions...
Message-ID: <18033@netcom.UUCP>
Date: 4 Dec 90 05:57:05 GMT
References: <1811@beguine.UUCP> <17926@netcom.UUCP>
Organization: Dave McMahan @ NetCom Services
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