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<div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">> Subject: Re: [LAD] Plugin 1/oct frequency controls (AMS/MCP/VCO)<br>> From: d@drobilla.net<br>> To: nickycopeland@hotmail.com<br>> CC: jef@synthedit.com; linux-audio-dev@lists.linuxaudio.org<br>> Date: Tue, 21 Aug 2012 16:59:03 -0400<br>> <br>> Yes, but as already mentioned, for a modular to be usable a standard is<br>> required. The analog synths on which this was modeled have such a<br>> standard. As it turns out, that was based around A as well, just dug up<br>> by Robin Gareus on IRC:<br>> <br>> https://en.wikipedia.org/wiki/CV/Gate<br>> <br>> Even volts on A in both schemes.<br>> <br><br></div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">That is a nice page but it definitely does not advocate any attachment of</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">semantics (eg, frequency) to any specific voltage. It gives some tables making</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">voltage comparisons between V/O and H/V using integral values however</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">these are given as examples of the translations between the two systems</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">based on the preconfigured generation of a given frequency by an osc.</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); "><br></div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">A modifying voltage carries no reference since it cannot - it is a voltage,</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">what happens when that voltage is applied to something is not implied in</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">its value, it never was. Oscillators and filters did have semantics of what</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">that voltage did which is where the V/O comes from, the reference value</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">(which Fons describes in his email) is not a function of the modifier.</div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); "><br></div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">Regards, nick.</div></div><div style="line-height: 17px; color: rgb(42, 42, 42); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); ">(Dave, as usual I did an inadvertant direct reply, this is copied to the list, apologies).</div> </div></body>
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