Searched refs:FFTSize (Results 1 – 6 of 6) sorted by relevance
| /cmsis-dsp-latest/Testing/PatternGeneration/ |
| D | MFCC.py | 51 def melFilterMatrix(fmin, fmax, numOfMelFilters,fs,FFTSize): argument
53 filters = np.zeros((numOfMelFilters,int(FFTSize/2+1)))
54 zeros = np.zeros(int(FFTSize // 2 ))
62 linearfreqs = np.linspace( 0, fs/2.0, int(FFTSize // 2 + 1) )
91 def __init__(self,freq_min,freq_high,numOfMelFilters,numOfDctOutputs,FFTSize,sample_rate): argument
95 self._FFTSize=FFTSize
98 self._window = sig.hamming(FFTSize, sym=False)
102 self._filters = melFilterMatrix(freq_min, freq_high, numOfMelFilters,sample_rate,FFTSize)
207 FFTSize = 256
225 FFTSize=nb
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| /cmsis-dsp-latest/PythonWrapper/examples/ |
| D | testmfcc.py | 13 FFTSize = 256 variable
20 window = sig.windows.hamming(FFTSize, sym=False)
22 …,packedFilters = mfcc.melFilterMatrix(F32,freq_min, freq_high, numOfMelFilters,sample_rate,FFTSize)
30 status=dsp.arm_mfcc_init_f32(mfccf32,FFTSize,numOfMelFilters,numOfDctOutputs,dctMatrixFilters,
34 tmp=np.zeros(FFTSize + 2)
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| D | testmfccq15.py | 13 FFTSize = 256 variable
20 windowQ15 = dt.convert(sig.windows.hamming(FFTSize, sym=False),Q15)
21 …ckedFiltersQ15 = mfcc.melFilterMatrix(Q15,freq_min, freq_high, numOfMelFilters,sample_rate,FFTSize)
25 status=dsp.arm_mfcc_init_q15(mfccq15,FFTSize,numOfMelFilters,numOfDctOutputs,
30 tmp=np.zeros(2*FFTSize,dtype=np.int32)
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| D | testmfccq31.py | 13 FFTSize = 256 variable
20 windowQ31 = dt.convert(sig.windows.hamming(FFTSize, sym=False),Q31)
21 …ckedFiltersQ31 = mfcc.melFilterMatrix(Q31,freq_min, freq_high, numOfMelFilters,sample_rate,FFTSize)
25 status=dsp.arm_mfcc_init_q31(mfccq31,FFTSize,numOfMelFilters,numOfDctOutputs,
30 tmp=np.zeros(2*FFTSize,dtype=np.int32)
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| /cmsis-dsp-latest/cmsisdsp/ |
| D | mfcc.py | 28 def melFilterMatrix(dtype,fmin, fmax, numOfMelFilters,fs,FFTSize): argument
48 filters = np.zeros((numOfMelFilters,int(FFTSize/2+1)))
49 zeros = np.zeros(int(FFTSize // 2 ))
57 linearfreqs = np.linspace( 0, fs/2.0, int(FFTSize // 2 + 1) )
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| /cmsis-dsp-latest/Scripts/ |
| D | mfccdata.py | 90 def melFilterMatrix(fmin, fmax, numOfMelFilters,fs,FFTSize): argument
92 filters = np.zeros((numOfMelFilters,int(FFTSize/2+1)))
93 zeros = np.zeros(int(FFTSize // 2 ))
101 linearfreqs = np.linspace( 0, fs/2.0, int(FFTSize // 2 + 1) )
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