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[ARSCLIST] SV: [ARSCLIST] DC Art Tools for restoring old 78's/DeNoise/DeClick

"ill be glad to post mp3 of samples"

Just do that, this was really impressive with so little digital artifacts
introduced. Digital artifacts is just what irritates me, much more
irritating than the whole recording unprosessed, I guess...
Especially on old 78 rpm discs

Do you really find this shareware better than DC7?


-----Opprinnelig melding-----
Fra: Association for Recorded Sound Discussion List
[mailto:ARSCLIST@xxxxxxx] På vegne av Dan Nelson
Sendt: 19. juni 2009 04:34
Til: ARSCLIST@xxxxxxxxxxxxxxxx
Emne: Re: [ARSCLIST] DC Art Tools for restoring old 78's/DeNoise/DeClick

I have used every thing from DC3 to the present DC7  restoration software
over at least 5  year period. 
I have produced restored audio for network television, independent record
company reissues.
This being said, i have found some basic software tools for  a lot less
money. here are the programs i  go with most of the time. 
For basic work page i use Sound Forge Audio studio 9.0, I like the full
screen work space for ease of editing and basic  audio manipulation.
For click and  noise removal a pair of shareware programs called "Click
repair" and "DeNoise" offer  an inexpensive alternative to DC7 and i think
fewer artifacts. Download at
The "Declick" offers adjustable  settings for crackle and scratch ticks.
DEnoise, lets you take a print of noise and a visual graph of  the
application which  you can set the floor and  amount of  reduction. Works so
In addition to the software I use several "black box blinking lights"
hardware audio processors.  
Hope this is helpful... ill be glad to post mp3 of samples.
calif USA

--- On Thu, 6/18/09, Karl Fitzke <kef46@xxxxxxxxxxx> wrote:

> From: Karl Fitzke <kef46@xxxxxxxxxxx>
> Subject: Re: [ARSCLIST] DC Art Tools for restoring old 78's
> To: ARSCLIST@xxxxxxxxxxxxxxxx
> Date: Thursday, June 18, 2009, 10:53 AM
> Jan,
> I think you are referring to DCART/DC7.  I've used DC6
> for five years and consider it a great value for general
> purpose audio manipulation and more specifically, noise
> reduction.  I do have some stability issues on my
> system though, which I haven't gotten to the bottom of, but
> really should.  That's the short answer.  More
> below.
> Regarding stability, I try not to work very quickly, i.e.
> push a lot of "buttons" and/or navigate around and enter
> data into control fields very fast for example; and I keep
> my monitor levels down when I am adjusting the parametric
> equalizer function in particular.  Otherwise I
> occasionally get a burst in noise or large gain change that
> could damage my hearing or equipment.  Like  I
> said, I should figure that out, and fix the situation, but I
> do not use the program every day, or even every week, to be
> clear about how often I use it.
> I primarily use the Continuous Noise reduction with good
> success.  I strongly believe that it is also what
> Digidesign offers as their DNR Pro Tools plug-in, based on
> how the similar user interface.  Note that DC6 offers
> more control than the DNR version though.  I haven't
> used a lot of other programs of similar price for any
> extended period of time, and wish I could compare them for
> you.  In the past few weeks two people have recommended
> I check out Izotope RX, which I will do (perhaps you know of
> that or will also check it out it).
> The harmonic noise reduction in DC6 is also something I use
> quite a bit, to get rid of hums and other such noise. 
> I love the degree of control the DC6 software allows
> there.  It is a really valuable tool to me and perhaps
> omething that may distinquish DC6 from other tools (sure
> would like to hear from others about that, though).
> I've always done well with the DC6 decrackle/depop features
> unless there are a lot of changes in dynamics throughout a
> file; which may not be a big issue with 78's (but can be
> with more recent recordings of classical music).  It
> once took me 10 hours to work on a 45 minute piece of music
> for organ and choir, that Cedar Tools for the PC could do in
> less than 3 minutes (I know because I borrowed Cedar Tools
> as a demo and tried it, thinking I might buy it).  I
> had to manually choose 5 to 30 second long regions of audio
> of this or that level range and then apply settings
> optimized for those conditions each time (which I at least
> had stored presets of).  Cedar Tools is much more
> adaptive/automatic.  The package I looked at two years
> ago or so also cost $4000 instead of $200.  If DC6 were
> more adaptive, I could better make use of the batch
> features, which at least allow you to process a number of
> files with the same presets very conveniently.
> With all of this kind of software/hardware, the more
> control you have (unless things are very adaptive like
> Cedar) the better (and even with Cedar I still wished I had
> the option of playing around with some settings they
> obviously don't give you control over - not a lot of knobs
> etc. in that program package).  The process often
> requires trying to find the right balance between too much
> and too little noise reduction, i.e. reducing one form of
> noise/distortion without introducing too much of some other
> resultant form of added noise/distortion.  Hope I'm not
> insulting your intelligence in mentioning that.  I just
> don't know how much of this work you've done
> before.   Cedar tools really blew me away, by
> the way, in how much it did without adverse affects on the
> audio, all automatically.  It is just the engineer
> tweakhead part of my personality that wants to play with
> settings just for more understanding of things I guess (not
> really believing I'd do much better myself than their
> automatic algorithms).
> I found the folks at Tracertek (who sell DC7) pleasant to
> deal with, by the way.   You might ask them
> about software stability for example and make sure they give
> you a money back guarantee if you experience problems. 
> I bet they'd be happy to do that based on their attitude
> when I contacted them to buy the software.
> And by the way, the program has some nifty nonlinear time
> stretching and expansion features that I haven't seen
> elsewhere.  I've used that on an art project that was
> part of an art installation in Copenhagen in 2006. 
> Ironically I used DC6 to severely distort sound in that
> case!
> That's the long answer.  Hope it is helpful.
> Karl
> Jan Myren wrote:
> > HI everybody!
> > 
> > I wonder if any of you have any experience with CD Art
> software for
> > restoring old 78 rpm records.
> > See link:
> > http://www.diamondcut.com/
> > 
> > What do you think about this software program?
> > 
> > Hope to hear comments form any of you, especially if
> you have any real
> > experience!
> > 
> > Regards
> > Jan
> >   
> -- 
> Karl Fitzke
> kef46@xxxxxxxxxxx
> Assistant Audio Engineer
> Macaulay Library
> Cornell Lab of Ornithology
> Our Mission: To interpret and conserve the Earth's
> biological diversity through research, education, and
> citizen science focused on birds.


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