public int doCCIR493_160FFT (CircularDataBuffer circBuf,WaveData waveData,int start)	{
		// Get the data from the circular buffer
		double samData[]=circBuf.extractDataDouble(start,80);
		int a;
		double datar[]=new double[FFT_160_SIZE];
		for (a=0;a<datar.length;a++)	{
			if ((a>=60)&&(a<120)) datar[a]=samData[a-60];
			else datar[a]=0.0;
			datar[a]=windowBlackman(datar[a],a,datar.length);
		}
		fft160.realForward(datar);
		double spec[]=getSpectrum(datar);
		int freq=getFFTFreq (spec,waveData.getSampleRate());  
		return freq;
		}