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Cgs synth

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Message

Re: bi-n-tic as VCO

2006-03-02 by sasami@hotkey.net.au

Directly from the 4024, no. From the output of the filter if the 4024 has
been fed back into it, yes, it is possible. I would suggest you have either
a faulty 4024, or power rail issues around that chip, it it's actually
coming directly out of that chip.

Ken

>I just tested the output of the ca3140, and it sounds fine at all
>frequencies.. just like the VCO. I guess the issue, if there is one,
>is w/ the 4024. Its divided outputs definitely aren't lower
>frequencies. It just puts little gaps in the sound relative to the
>frequency it is getting. When running a low freq into it, the lower
>divisions give pulses of sound, but each pulse is the same tone that
>the OSC is outputting. It is definitely an interesting effect. Im
>just not shure if it is correct.
>
>
>
>
>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> If you are referring the the outputs of the 4024, I would expect them to
>> remain constant, as per the CGS01.
>> It is entirely possible I have made an error in that VCO layout. I made
>> another project after this one using a modified artwork and that one
>does
>> indeed have issues. One's own errors are very hard to spot, and I
>have not
>> alternate quality control available to me.
>>
>> Ken
>>
>> >W/ mine, its not just the very high freq's, but everything above
>> >maybe... c4. I'll have to do some better tests tomorrow. Im just
>> >feeding it a voltage right now, and comparing it to a standard VCO.
>> >
>> >Another thing I have noticed is that the SUB channels don't act the
>> >way the sub oscillator (cgs 01) does. It doesn't lower the frequency
>> >of the osc, but it puts in little gaps in the tone. The lower the
>> >tone, the slower/longer the gaps.
>> >
>> >so lets say this is the sound
>> >/\/\/\/\/\/\/\/\/\/\/
>> >this is a high frequency through the sub
>> >/\/ \/\ /\/ \/\ /\/ \/\
>> >this is a lower frequency
>> >\/\/\ /\/\/ /\/\/\ /\/\/\
>> >
>> >Is that what it is supposed to do, or should the sub output do what
>> >the cgs01 modules does to the tone?
>> >
>> >Thanks
>> >
>> >--- In cgs_synth@yahoogroups.com, Pete <23isgood@> wrote:
>> >>
>> >> After using this Filter for a while now I have come to the
>> >conclusion that
>> >> this is really a VCO with crazy FM options. I do understand what you
>> >mean
>> >> about the high frequencies, but I think its just reaching its last
>> >octave at
>> >> this point and it may be a normal response to become quieter (for
>> >humans at
>> >> least). Is this correct? This VCO seems to be in the mid freq range,
>> >though
>> >> you can obtain some serious bass freq's too. Here is a track I made
>> >> recently. You can hear the Bi-N-Tic at the beginning (the hypnotic
>> >sound)
>> >> and at the very end (the really grungy sound).
>> >>
>> >>
>>
>>http://www.spread-it.com/dl.php?id=000a88528da0b261c720ab6ec8a15d078f61c417
>> >>
>> >> pete
>> >>
>> >> On 3/1/06, c10h14no2i <c10h14no2i@> wrote:
>> >> >
>> >> > Ive been having great fun w/ the bi-n-tic filter, but have one
>issue
>> >> > when using it as a VCO. The higher frequencies are very quiet. I
>> >> > know this is a filter, so if thats just the way it is, then thats
>> >> > fine. If it should operate w/ a roughly uniform volume at the
>entire
>> >> > audio range, I'd be happy for suggestions of what the cause
>could be.
>> >> >
>> >> > thanks
>> >> > Scott
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > The CGS Modular Synth home page: http://www.cgs.synth.net/
>> >> >
>> >> >
>> >> >
>> >> >
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>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> listen to my tunes,
>> >>
>> >> http://www.cubanpetemusic.com/12_21_04%20final%20mix.mp3
>> >>
>> >> www.cubanpetemusic.com
>> >>
>> >>
>> >> [Non-text portions of this message have been removed]
>> >>
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>> >The CGS Modular Synth home page: http://www.cgs.synth.net/
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>> _______________________________________________________________________
>> Ken Stone sasami@... or sasami@...
>> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
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>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
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_______________________________________________________________________
Ken Stone sasami@... or sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

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