Python Developer

How to apply a lowpass filter, with cutoff frequency varying linearly (or with a more general curve… Read more Lowpass Filter With A Time-varying Cutoff Frequency, With Python

After taking the Discrete Fourier Transform of some samples with scipy.fftpack.fft() and plotting t… Read more Can You Compute The Amplitude/power Of Original Signal From Fourier Transform?

I have the the noisy curve defined by numpy 2D array: As you can see, it has the first flat segmen… Read more How To Find The Inflection Point In A Noisy Curve?

I am trying to extract features from .wav files by using MFCC's of the sound files. I am gettin… Read more Valueerror: Could Not Broadcast Input Array From Shape (20,590) Into Shape (20)

I have to compare two time-vs-voltage waveforms. Because of the peculiarity of the sources of these… Read more Find Time Shift Between Two Similar Waveforms

Hi have made one source in python for get fundamental frequecys from audio files, i want use this f… Read more How Get Low Frequency From Dtmf Tone

I have a periodic signal I would like to find the period. Since there is border effect, I first cu… Read more Find Period Of A Signal Out Of The Fft

I have the following MATLAB code to compute the PSD of a signal: x = linspace(0, 10, 100001); dt = … Read more Equivalence Scipy.signal Welch To Matlab Pwelch