// Multi-channel output example
dac.channels() => int numChans;  // number of available channels

SinOsc s[dac.channels()];	// suitable sized array of sin oscs
200.0 => float freq;		// base frequency variable

for (0 => int i; i < numChans; i++)  {  // iterate over all channels
    freq => s[i].freq;				// set sin osc frequency
    s[i] => dac.chan(i);			// hook up to dac channel
    1.059 * freq => freq;			// frequency up by half step
    2.0 :: second => now;			// hang out a bit
}
2.0 :: second => now;				// hang out a bit