pyACA.ToolBin2Freq Namespace Reference

Functions
	ToolBin2Freq (fBin, iFftLength, f_s)
	helper function: convert FFT bin to Hz

Function Documentation

ToolBin2Freq()

ToolBin2Freq	(		fBin,
			iFftLength,
			f_s )

helper function: convert FFT bin to Hz

Parameters

fBin	FFT bin index (can be float)
iFftLength	length of the Fft (time domain block size)
f_s	sample rate of audio data

Returns

f: bin frequency (in Hz)

Definition at line 13 of file ToolBin2Freq.py.

def ToolBin2Freq(fBin, iFftLength, f_s):
    def acaBin2Freq_scalar_I(fBin, iFftLength, f_s):
        return fBin * f_s / float(iFftLength)
 
    b = np.asarray(fBin)
    if b.ndim == 0:
        return acaBin2Freq_scalar_I(b, iFftLength, f_s)
 
    f = np.zeros(b.shape)
    for k, bk in enumerate(b):
        f[k] = acaBin2Freq_scalar_I(bk, iFftLength, f_s)
            
    return f