Mike is right about the eq, but sine the speed seems to be in the middle
I would compare the 3.75 to the 7.5 and create a curve between these
two well known profiles and use this mid-point as a start to making your
own personal 5.625 curve! Sounds fun to me...

aa
On Thursday, March 4, 2004, at 10:57 AM, Mike Richter wrote:

> At 10:44 AM 3/4/2004 -0500, Aaron Luis Levinson wrote:
>> Any decent audio studio with a 1/4 mastering deck (Otari, Studer,
>> Ampex)
>> will have a vari-speed function that would allow you to adjust the
>> speed + or -
>> 15%. The problem with your tape is that only a mastering/archival lab
>> has 3.75/ 7.5
>> machines. Art has the best solution for this kind of problem. Since it
>> is not
>> a "High Fidelity" recording why not simply play it at either fixed
>> speed and
>> adjust the playback speed digitally? We spoke about this thread before
>> and I'm sure
>> someone here will have a cost effective piece of software to suggest
>> for this job...
>
> Since the job is changing pitch and speed, any editor will do it. In
> fact,
> I think the free WAVMERGE posted at my WWW site will handle that, let
> alone
> GoldWave, CoolEdit, Adobe Audition and any other editor I've run.
>
> Note that whatever is done to play the tape back, the equalization
> will be
> 'wrong'. That is, I know of no standard EQ for a speed between 3.75
> and 7.5
> ips, so expect to have to correct that by guess.
>
>
> Mike
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