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Subject: RE: Sine Shape w/o Scope

From: "Dave Bradley" <daveb@...>
Date: 2000-01-26

I have a scope and have used it for sine calibration, but it only confirms
what your ears tell you anyway - adjust it to the center point for the
purest sound with the least harmonics.

Dave Bradley
Principal Software Engineer
Engineering Animation, Inc.

> -----Original Message-----
> From: Tkacs, Ken [mailto:Ken.Tkacs@...]
> Sent: Wednesday, January 26, 2000 9:22 AM
> To: 'MOTM Forum All'
> Subject: [motm] Sine Shape w/o Scope
> From: "Tkacs, Ken" <Ken.Tkacs@...>
> I haven't needed to do this, but for those of you without an oscilloscope,
> you might consider this agonizing way of calibrating your sine shape.
> Once you have the VCO built, try recording a short snippet of the sine
> output into your computer's sound card and then look at it on
> screen in one
> of a hundred different WAV editors. It's a pain to go back and forth like
> that, compared to the real-time feedback of a 'scope, but you can probably
> get really close by ear and then check it this way to satisfy
> yourself that
> the sine looks good.