[chuck-users] Timing with ChucK

Daniel Trueman dtrueman at Princeton.EDU
Tue Feb 17 18:50:58 EST 2009


check out the "follower.ck" file in smelt (smelt.cs.princeton.edu).

dt

On Feb 17, 2009, at 4:24 PM, Stefan Blixt wrote:

> Tom's solution is probably the easiest and most effective.
>
> For other reasons, I've been thinking that it would be cool to have  
> some kind of gate UGen (though it doesn't necessarily output  
> anything) that triggers events depending on what has been chucked  
> into it. Something like this:
>
> --------------------------
> adc => GateTrigger gate;
>
> 0.01 => gate.threshold;
> 1::ms => gate.release;
>
> gate.event => now;
> -----------------------------
>
> Here the gate.event would receive a signal when whatever is coming  
> from adc goes over 0.01 or below 0.01. You'd need some kind of  
> filter or release so the thing doesn't go off every time the signal  
> crosses zero.
>
> Maybe a digression...
>
> On Tue, Feb 17, 2009 at 9:43 PM, rkramer <rkramer at gmail.com> wrote:
> Being a relative non-programmer, I'm not quite sure if this is even  
> possible...  My goal is a quick and dirty program that will measure  
> the time between two large audio events (in the input sound buffer,  
> live recording.)  Essentially what I want to do is use ChucK for  
> practical demonstrations of simple physics...  IE demonstrating  
> average velocity of a falling object (that generates a sufficiently  
> loud event when it is released and when it hits the floor.)
>
> Any tips where to start on this project?
>
>
> Ryan
>
>
>
>
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>
>
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