[sdiy] Voltage controlled FPGA based synth?

[Anthony Rolando]

If you read the fine print the designer states that the VCA is actually 
analog... so that is "correct terminology there.

Besides, VCO reads easier and sounds better then FPGACO. That is a good 
enough reason to call it so imo.

TR


>From: Tom Wiltshire <tom at electricdruid.net>
>To: karl dalen <dalenkarl at yahoo.se>
>CC: synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] Voltage controlled FPGA based synth?
>Date: Fri, 13 Jul 2007 11:48:19 +0100
>
>
>On 12 Jul 2007, at 22:55, karl dalen wrote:
>
>>But why name things Voltage Controlled, (e.g VCA) when its FPGA
>>generated?!
>
>What do other people think about this? If a circuit is controlled  from a 
>voltage that then goes to an AD convertor, is it a voltage- controlled 
>circuit? Obviously it's a digital circuit, not an analogue  one, but is it 
>a voltage-controlled digital circuit? Perhaps the AD  isn't really a part 
>of the circuit and that what controls the circuit  is the digital output 
>from the A/D? What about if the A/D is on the  same chip?!
>
>Or is this just a question of terminology?
>
>Personally, if you can grab a LFO from somewhere and feed the output  of 
>that to it to make something happen, I'd call it a voltage- controlled 
>circuit. It might be digital inside, but it's still  voltage-controlled.
>
>
>
>
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