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Today's Topics:

   1. Re: two similar shreds with different results (Casper Schipper)



---------- Forwarded message ----------
From: Casper Schipper <casper.schipper@gmail.com>
To: ChucK Users Mailing List <chuck-users@lists.cs.princeton.edu>
Cc: 
Bcc: 
Date: Thu, 31 Jan 2019 09:31:01 +0100
Subject: Re: [chuck-users] two similar shreds with different results

Hi Charlie,

I think I found it: .1::ms is not the same as 1::samp

You do in both scripts .1 ::ms => now, but in the second variant, this means now will have increased by 4.1 samples, instead of 1 unit (depending on your samplerate).

I could get the same sound from both scripts by changing .1::ms => now to samp => now;

Best,

Casper

On 27 Jan 2019, at 14:58, Charlie <taos.points@gmail.com> wrote:

Hey folks, I'm puzzled why these two shreds don't make the same sound. I created a simple bit crusher using an integer as an index and then using time as an index; I thought these were equivalent but they aren't. I wonder if this is because the integer increments at a  different rate than the sampling rate? Any guidance on this gratefully received! Thanks,

Charlie 

First shred:

//---------------------------------------------

SinOsc s => dac;

110 => s.freq;

0 => int i;

250 => int iMax;

0 => int jCount;

while (true) {

i++;

// if (i%130 == 0 || i%201 ==0 || i% 737 == 0) 0 =>s.gain;

    if (i%iMax > jCount ) 0.0 =>s.gain;

jCount++;

if (jCount > iMax) 0 => jCount;

// 1::samp => now;

    .1::ms => now;

1 => s.gain;

}

//---------------------------------------------

second shred:

//---------------------------------------------

SinOsc s => dac;

110 => s.freq;

0::samp => dur jMin;

250::samp => dur iMax;

0::samp => dur jCount;

1::samp => dur jDelta;

while (true) {

if (now%iMax > jCount ) 0.0 =>s.gain;

jCount+jDelta => jCount;

if (jCount > iMax) jMin => jCount;

.1::ms => now;

1 => s.gain;

}

//---------------------------------------------

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