[sdiy] frequency counter

[Jay Schwichtenberg]

Yep, I do that too with a DX7II.

But if you don't have one then drop the twenty bucks or so to get a guitar
tuner.

Jay

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Scott Gravenhorst
> Sent: Friday, June 25, 2004 6:05 PM
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] frequency counter
>
>
> I don't have "perfect pitch" either.  Nor do I have a frequency
> counter.  While it is a very useful tool, it is not necessary for
> tuning an instrument (to other instruments).  I have several digital
> synth sound modules and one digital synth keyboard.  I also have a
> FatMan which is a MIDI analog monosynth.  When I want to tune my
> FatMan, I set up my studio so that I can hear a flute-ish sound from a
> digital synth with no pitch modulation (very plain sound).  I set the
> FatMan to the same MIDI channel as the digital sound and hold down a
> key.  I turn the FatMan master tuning knob until the pitch is close
> and listen for a "beat" or phasing sound between the two sounds.  If I
> want the two to be the same pitch, I adjust the tuning knob to
> eliminate the phasing sound altogether.  If the phasing sound (or
> beat) cycles at one time per second, the two pitches are 1 Hertz
> apart.  2 times per second is 2 Hertz apart.
>
> I hope that helps.
>
> Mark Romberg <mark-romberg at utulsa.edu> wrote:
> >anyone know of a simple-ish frequency counter circuit?  beginning to
> >realize im going to need one to tune oscillators and things in the
> >analog world as i dont have perfect pitch :/
> >saw one on sdiy.org, but no schematics or source code for the uC.
> >
> >have nice days.
> >
>
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