[sdiy] paging Barry Klein...

[R. Drake]

anybody know how to order Barry Klein's book (which i keep hearing so much
about)?  is Barry "here" on the list?

thanks,

Bob Drake
rdrake at data2action.com
216.556.2459



on 3/2/03 4:58 AM, Tim Ressel at madhun2001 at yahoo.com wrote:

> Caleb,
> 
> It is common to hold the CV of the last note. That way
> the envelope can finish when the key goes up. This is
> done with a sample-and-hold circuit (analog) or a
> microprocessor (digital). Barry Klein's book has
> schematics in it for this.
> 
> --Tim
> 
> 
> --- Caleb Johnston <caleb_1 at msn.com> wrote:
>> Hi, everyone.
>> 
>> I am attempting to construction a simple cv
>> keyboard.  It will simply have
>> one out that will send voltages to whatever.
>> 
>> My plan was to have resistors in series that would
>> devide up the voltage.
>> Each key would then correspond to the correct amount
>> of resistors/voltage.
>> 
>> This works fine except when no key is being held ,
>> there is no cv output.  I
>> have noticed that my store bought synth's cv always
>> outputs the last
>> note/voltage played, even when no keys are pressed.
>> 
>> What is standard?  To have the last note played sent
>> out until changed?
>> Would this be easy to do schematically?  How?
>> 
>> Thanks for your help.
>> 
>> -Caleb
>> 
>> 
>> 
>> 
>> 
>> 
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