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jojek
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3 answers
113 votes
45k views
62 bookmarks
Why is it a bad idea to filter by zeroing out FFT bins?
2 answers
65 votes
32k views
84 bookmarks
Why so many methods of computing PSD?
3 answers
47 votes
86k views
42 bookmarks
Why is the FFT "mirrored"?
5 answers
38 votes
39k views
21 bookmarks
Determining the mean and standard deviation in real time
7 answers
36 votes
66k views
47 bookmarks
Understanding the Matched Filter
2 answers
34 votes
38k views
25 bookmarks
What is the advantage of MATLAB's filtfilt
2 answers
33 votes
50k views
23 bookmarks
Filter order vs number of taps vs number of coefficients
3 answers
31 votes
39k views
23 bookmarks
Picking the correct filter for accelerometer data
7 answers
31 votes
23k views
21 bookmarks
What is an algorithm to re-sample from a variable rate to a fixed rate?
3 answers
29 votes
77k views
29 bookmarks
Variance of White Gaussian Noise
4 answers
28 votes
6k views
13 bookmarks
Which time-frequency coefficients does the Wavelet transform compute?
3 answers
21 votes
1k views
4 bookmarks
How were windows originally conceived?
4 answers
21 votes
23k views
20 bookmarks
Fast Cosine Transform via FFT
9 answers
19 votes
2k views
7 bookmarks
Efficient Magnitude Comparison for Complex Numbers
2 answers
17 votes
30k views
14 bookmarks
How do I manually plot the frequency response of a bandpass Butterworth filter in MATLAB without freqz function?
4 answers
17 votes
17k views
9 bookmarks
Scipy - Audio Processing
2 answers
15 votes
54k views
8 bookmarks
how do I calculate SNR of noisy signal?
6 answers
13 votes
5k views
7 bookmarks
Is a notch filter for 50 Hz without delay possible?
4 answers
13 votes
5k views
8 bookmarks
Recommendation for book - Writing DSP code in C
3 answers
12 votes
1k views
4 bookmarks
Image processing coding
2 answers
12 votes
4k views
7 bookmarks
How to deal with low fundamental when using AMDF for pitch extraction?
3 answers
12 votes
3k views
4 bookmarks
Why do I have frequency leakage in DFT after zero padding if frequency resolution is fine?
2 answers
12 votes
2k views
11 bookmarks
What kind of filter is that? Is it IIR?
7 answers
12 votes
5k views
4 bookmarks
Obtain a signal's peak value if it's frequency lies between two bin centers
2 answers
12 votes
2k views
4 bookmarks
Parametrically degrade the speech to remove emotional content
4 answers
10 votes
7k views
2 bookmarks
Looking for an arcsin algorithm
1 answer
9 votes
2k views
5 bookmarks
peak limiting/audio compression formula needed
1 answer
9 votes
1k views
4 bookmarks
Ultrasonic signal detection
2 answers
8 votes
16k views
14 bookmarks
Calculation of Reverberation Time (RT60) from the Impulse Response
4 answers
8 votes
5k views
8 bookmarks
Intuition for sidelobes in FFT