// impulse generator is cool...// this demo is not // connect impulse generatorImpulse i => dac;.5 => i.gain; // emit impulse every so often2000 => int a;while( 1 ){    // set the next sample    1.0 => i.next;     // advance time    a::samp => now;    a - 8 => a; if( a <= 0 ) 2000 => a;}