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Re: [ARSCLIST] Programmable varispeed question

Then you can bid on the 1940-vintage Constant Velocity discs in Kurt Nauck's
current auction! Part of a juke box system that didn't last very long. The discs
apparently run from c. 16RPM to about 50.


"Richard L. Hess" wrote:

> Hello, Henry,
> You can draw pitch curves in differing ways in
> both Samplitude and Diamond Cut. Samplitude
> permits random "speed" changes as well as
> straight line, DC6 has curves that you can adjust
> the trajectory between a start and finish speed.
> I believe one person actually uses a programmable
> signal source to change the capstan motor speed
> on the playback deck...but I don't have details.
> Cheers,
> Richard
> At 05:41 AM 9/29/2006, Henry Clark wrote:
> >Hello all,
> >
> >I'm new to the list, so please forgive me if
> >this is a common topic of discussion. I've
> >searched the archives, but I can't find an exact
> >answer to this. I hope someone might be able to help.
> >
> >What I need to do is varispeed a recording I
> >have, and that varispeed needs to change
> >gradually throughout the 5 minute piece. I think
> >the recording was made on something which was changing speed as it recorded.
> >
> >So I want the speed of the music to change as
> >well as the pitch, i.e. I'm not looking for a
> >system which maintains the speed while pitch shifting.
> >
> >The file is already on a CD. So I'd be looking
> >to perform this correction on a PC (preferably)
> >or Mac (but only if I can borrow one.)
> >
> >Ideally, I need something which I can set
> >relative speed values into, and the system will
> >gradually ramp between them to restore a
> >constant speed and pitch. Is there any program
> >which will allow me to play back this music
> >with, for example, a +3% speed at the start,
> >slowing down to -1% at 4 mins, and then finally -2% at 5 mins?
> >
> >Thanks for your help,
> >
> >Henry Clark
> >
> >_________________________________________________________________
> >Windows Live? Messenger has arrived. Click here
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> >
> Richard L. Hess                   email: richard@xxxxxxxxxxxxxxx
> Aurora, Ontario, Canada       (905) 713 6733     1-877-TAPE-FIX
> Detailed contact information: http://www.richardhess.com/tape/contact.htm
> Quality tape transfers -- even from hard-to-play tapes.

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