src/main/java/net/sourceforge/jaad/aac/sbr/FBT.java
public static int qmf_stop_channel(int bs_stop_freq, SampleFrequency sample_rate,
		int k0) {
		if(bs_stop_freq==15) {
			return Math.min(64, k0*3);
		}
		else if(bs_stop_freq==14) {
			return Math.min(64, k0*2);
		}
		else {

			int stopMin = stopMinTable[sample_rate.getIndex()];

			/* bs_stop_freq <= 13 */
			return Math.min(64, stopMin+STOP_OFFSET_TABLE[sample_rate.getIndex()][Math.min(bs_stop_freq, 13)]);
		}
	}
public static int qmf_stop_channel(int bs_stop_freq, SampleFrequency sample_rate,
		int k0) {
		if(bs_stop_freq==15) {
			return Math.min(64, k0*3);
		}
		else if(bs_stop_freq==14) {
			return Math.min(64, k0*2);
		}
		else {

			int stopMin = stopMinTable[sample_rate.getIndex()];

			/* bs_stop_freq <= 13 */
			return Math.min(64, stopMin+STOP_OFFSET_TABLE[sample_rate.getIndex()][Math.min(bs_stop_freq, 13)]);
		}
	}
/* parameter is also called k2