Signal Processing

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Awarded 947 times.
Why is the time domain low-pass filter the "sinc" shape?
Awarded Nov 28 at 23:26
Why do we choose 44.1 kHz as recording sampling rate?
Awarded Nov 10 at 19:06
How to choose a FFT algorithm?
Awarded Nov 7 at 15:42
How do I interpret the DCT step in the MFCC extraction process?
Awarded Nov 3 at 18:43
Audio normalization
Awarded Oct 22 at 11:35
How to pick coefficients for Fractional Delay Filters?
Awarded Oct 20 at 19:46
What is the adjoint of a linear operator and why is it useful?
Awarded Oct 19 at 10:40
Fastest Algorithm for Distance Transform
Awarded Oct 13 at 18:28
Looking for an arcsin algorithm
Awarded Oct 13 at 18:28
Why do we use the HSV colour space so often in vision and image processing?
Awarded Oct 10 at 20:40
Is there a relation between an analytic signal (signal processing) and an analytic function (complex analysis)?
Awarded Oct 10 at 18:02
What are some free alternatives to SIFT/ SURF that can be used in commercial applications?
Awarded Oct 4 at 5:27
How to get Fourier coefficients to draw any shape using DFT?
Awarded Oct 1 at 22:20
Filter design with zero - pole placement method
Awarded Sep 20 at 9:05
What is the name of a low-pass filter that tracks rate of change?
Awarded Sep 18 at 6:17
If the convolution of two signals is a unit impulse, what does this tell us?
Awarded Sep 17 at 21:47
Discrete Fourier Transform a dummy approach
Awarded Sep 14 at 9:36
RMS values above 0 dbFS?
Awarded Sep 8 at 14:34
What are some typical lossless compression ratios?
Awarded Sep 3 at 20:08
Why is the convolution of two sine waves a sinc function?
Awarded Sep 2 at 12:18
Why do sinusoids have DFT magnitudes of N / 2 while we typically normalize by N?
Awarded Aug 30 at 15:42
Why do sinusoids have DFT magnitudes of N / 2 while we typically normalize by N?
Awarded Aug 25 at 9:40
How does shift and scaling inside of a function affect its Fourier Transform?
Awarded Aug 24 at 12:46
Question About $ Q $ Matrix (Model Process Covariance) in Kalman Filter
Awarded Aug 20 at 11:20
Discrete Fourier transform symmetry
Awarded Aug 20 at 7:51
Finding symmetric regions/patterns in image
Awarded Aug 7 at 7:20
Measure Sine Wave Amplitude from ADC Signal
Awarded Aug 3 at 13:40
What is the audible level for digital audio dB units?
Awarded Jul 25 at 15:57
Is the discrete Gaussian kernel an eigenfunction of the DFT?
Awarded Jul 24 at 8:25
How to Prove a 2D Filter Is Separable?
Awarded Jul 21 at 8:56
What is the name of this digital low pass filter?
Awarded Jul 16 at 8:36
Relationship between discrete deconvolution and Toeplitz matrices
Awarded Jul 12 at 19:36
How can I find the following Fourier Transform without directly using FT pairs?
Awarded Jul 7 at 22:07
What is first order difference?
Awarded Jun 27 at 21:06
What information does the Hilbert transform give?
Awarded Jun 22 at 11:35
The difference between convolution and cross-correlation from a signal-analysis point of view
Awarded Jun 16 at 21:04
Is Fourier series a sampled version of Fourier transform?
Awarded Jun 15 at 6:36
Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT
Awarded Jun 10 at 6:04
What would be an example of something digital which isn't electronic?
Awarded Jun 4 at 20:55
What would be an example of something digital which isn't electronic?
Awarded May 30 at 22:41
What would be an example of something digital which isn't electronic?
Awarded May 29 at 12:32
What would be an example of something digital which isn't electronic?
Awarded May 28 at 20:42
Difference between frequency sampling and windowing method
Awarded May 26 at 8:35
Does taking the Hilbert transform extract the envelope of audio signals?
Awarded May 25 at 8:41
Zero-pad before or after windowing for FFT
Awarded May 24 at 0:16
Non-causality of fractional delays
Awarded May 20 at 6:21
Why do we calculate the second half of frequencies in DFT?
Awarded May 16 at 10:42
Efficiently calculating autocorrelation using FFTs
Awarded May 12 at 19:52
How to get scipy remez to give matlab firpm answer?
Awarded May 10 at 19:51
Envelope behavior dIfference between QPSK, OQPSK and $\pi/4$-QPSK
Awarded May 9 at 18:07
How to implement Polyphase filter?
Awarded May 7 at 15:36
Why do we need to conjugate complex signals in autocorrelation and cross correlation
Awarded Apr 19 at 12:33
What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude)
Awarded Apr 18 at 9:42
Fast pitch recognition
Awarded Apr 13 at 0:36
The Meaning of the Terms Isotropic and Anisotropic in the Total Variation Framework
Awarded Apr 12 at 13:31
Why do digital modulation schemes (in general) involve only two carrier signals?
Awarded Apr 6 at 11:05
Under what conditions does DFT(f(x)) = f(DFT(x)) hold?
Awarded Apr 5 at 8:46
peak limiting/audio compression formula needed
Awarded Apr 3 at 21:32
How Is the Formula for the Wiener Deconvolution Derived?
Awarded Apr 3 at 17:49
Is the inverse of a causal system also causal?
Awarded Mar 31 at 8:53
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