nl_tokens: http : // stackoverflow . com / questions / 7840347 / web - audio - api - waveshapernode
pl_tokens: function createCurve ( amount ) { var curve = <mask> Float32Array ( WS_CURVE_SIZE ) ; var k = 2 * amount / ( 1 - amount ) ; var x ; for ( var i = 0 ; i < WS_CURVE_SIZE ; i ++ ) { x = i * 2 / WS_CURVE_SIZE - 1 ; curve [ i ] = ( 1 + k ) * x / ( 1 + k * Math . abs ( x ) ) ; } return curve ; }