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jojek
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  • Member for 8 years, 4 months
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47 votes
Accepted

Meaning of Hilbert Transform

29 votes
Accepted

How do I manually plot the frequency response of a bandpass Butterworth filter in MATLAB without freqz function?

22 votes
Accepted

Cepstral Mean Normalization

19 votes
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What kind of filter is that? Is it IIR?

19 votes
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Calculation of Reverberation Time (RT60) from the Impulse Response

19 votes
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Is this a correct interpretation of the DCT step in MFCC calculation?

18 votes
Accepted

Why do I have frequency leakage in DFT after zero padding if frequency resolution is fine?

16 votes
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Feature extraction for sound classification

15 votes

What is spectral entropy?

14 votes
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What should be the correct scaling for PSD calculation using $\tt fft$

13 votes
Accepted

Recommendation for book - Writing DSP code in C

12 votes

Image processing coding

11 votes
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What's the correct graphical interpretation of a series of MFCC vectors?

10 votes
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Apply Low pass Butterworth filter in Python

10 votes
Accepted

FFT to spectrum in decibel

10 votes

MATLAB - remove the frequency at zero in FFT

10 votes

If low frequency travels longer distance, why our speech is not travelling longer distance?

10 votes
Accepted

Feature extraction/reduction using DWT

9 votes

Is it accurate to say in digital audio that, when a fader is down, then its value is "-$\infty$"?

9 votes
Accepted

Why are there so many windowing functions?

8 votes
Accepted

STFT: why overlapping the window?

8 votes
Accepted

Understanding the Windowing Method in PSD Calculation

8 votes
Accepted

The small red peak in the CIE standard observer

8 votes
Accepted

Why FFT does not retrieve original amplitude when increasing signal length

8 votes

Sampling Theorem illustration

7 votes

Are there libraries for extraction of sound wave features?

7 votes

Non Uniform FFT / DFT with FFTW?

7 votes

Under what condition is the available bandwidth $f_s$ instead of $\frac{f_s}{2}$?

7 votes

Time-frequency representation of sound signal using Matlab

7 votes

Mel filter in MFCC - is it necessary?

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