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Article #1136

Re: Program to eliminate noise

#1136
From: Gabe M Wiener
Date: Sat, 23 Jan 1993 07:40
28 lines
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In article <1993Jan22.155947.4192@wuecl.wustl.edu> wb1@cec1.wustl.edu (Bill Bartman) writes:
>I am looking for a program for PC which can analyze waveforms and
>remove noise, clicks, and pops.  What I am planning on doing
>is digitizing old analog recordings, "cleaning" them up, and then
>recording onto DAT otr the like.  I have a great stereo, PC, and
>sound-card.  Now all I need is some software which can manipulate
>the file on my computer.  Does anyone know of such a program or
>know of anyone who may know of such a program.

I'd suggest you forget it unless you have five figures to spend.

Analyzing waveforms, removing broadband noise, pops, clicks, etc. 
involves heavy DSP power.  For instance, the Sonic Solutions system,
perhaps the quintessential noise elimination package, requires DSP
cards with 3 motorola 56001's on each card.  These cards are about
$4K each.  The software to do complete noise elinination is about
$46,000.  Not something for amateurs.

Digidesign has hardware that can do it for less money, but it still
isn't cheap.  You will not find a package that can do it entirely in
software, sorry.


--
Gabe Wiener - Columbia Univ.     "This 'telephone' has too many shortcomings 
gmw1@cunixa.cc.columbia.edu       to be seriously considered as a means of 
N2GPZ in ham radio circles        communication. The device is inherently of
72355,1226 on CI$                 no value to us." -Western Union memo, 1877
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From: gmw1@cunixa.cc.columbia.edu (Gabe M Wiener)
Subject: Re: Program to eliminate noise
Message-ID: <1993Jan23.074015.13681@news.columbia.edu>
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Organization: Columbia University
References: <1993Jan22.155947.4192@wuecl.wustl.edu>
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Date: Sat, 23 Jan 1993 07:40:15 GMT
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