src/main/java/net/sourceforge/jaad/aac/ps/PS.java
private int delta_clip(int i, int min, int max) {
		if(i<min) return min;
		else if(i>max) return max;
		else return i;
	}
private int delta_clip(int i, int min, int max) {
		if(i<min) return min;
		else if(i>max) return max;
		else return i;
	}
/* limits the value i to the range [min,max]