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Recent questions tagged Signal
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signal processing - Understanding behaviour of MATLAB's convn
I'm doing convolution of some tensors. Here is small test in MATLAB: ker= rand(3,4,2); a= rand ... understanding of tensor convolution is wrong? See Question&Answers more detail:os...
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signal processing - Algorithm to determine fundamental frequency from potential harmonics
I am attempting to extract a fundamental frequency from a sound source. maybe someone is singing A3 into the ... can tidy it up posthumously. See Question&Answers more detail:os...
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signal processing - How do I convert a floating point C code to fixed point?
I have a C code which uses doubles. I want to be able to run the code on a DSP (TMS320). But ... fixed-point numbers (implemented as integers)? See Question&Answers more detail:os...
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signal processing - convert sound to list of phonemes in python
How do I convert any sound signal to a list phonemes? I.e the actual methodology and/or code to go from ... purposes, then for interest sake. See Question&Answers more detail:os...
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Oct 24, 2021
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signal processing - How do I run a high pass or low pass filter on data points in R?
I am a beginner in R and I have tried to find information about the following without finding anything. The ... 100 and 1/50 respectively). See Question&Answers more detail:os...
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signal processing - FIR filter implementation in C programming
Can anyone tell me how to implement an FIR filter using c programming language. See Question&Answers more detail:os...
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signal processing - FFT on iPhone to ignore background noise and find lower pitches
I have implemented Demetri's Pitch Detector project for the iPhone and hitting up against two problems. 1) any ... in the final pitch guess. See Question&Answers more detail:os...
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signal processing - Programmatically increase the pitch of an array of audio samples
Hello kind people of the audio computing world, I have an array of samples that respresent a recording. Let us ... him. Thanks again everyone! See Question&Answers more detail:os...
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signal processing - Cepstral Analysis for pitch detection
I'm looking to extract pitches from a sound signal. Someone on IRC just explained to me how taking ... accelerate framework, cepstral analysis See Question&Answers more detail:os...
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Oct 17, 2021
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signal processing - Cross-correlation in matlab without using the inbuilt function?
can someone tell how to do the cross-correlation of two speech signals (each of 40,000 samples) in MATLAB ... coefficient? Thanks in advance. See Question&Answers more detail:os...
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Oct 17, 2021
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signal processing - Low pass filter software?
I'm looking for digital low pass filter code/library/class for a .net windows forms project, preferably ... there. Any suggestions appreciated. See Question&Answers more detail:os...
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Oct 17, 2021
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signal processing - Android 2.3 Visualizer - Trouble understanding getFft()
First time here so sorry in advance for any butchered formatting. So I am completely new to DSP so I have ... Did I understand this correctly? See Question&Answers more detail:os...
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signal processing - How do you do bicubic (or other non-linear) interpolation of re-sampled audio data?
I'm writing some code that plays back WAV files at different speeds, so that the wave is either slower and lower- ... when the wave is sped up. See Question&Answers more detail:os...
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signal processing - DSP - Filtering in the frequency domain via FFT
I've been playing around a little with the Exocortex implementation of the FFT, but I'm having some problems. ... synthesis. Thanks in advance. See Question&Answers more detail:os...
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signal processing - Calculate autocorrelation using FFT in Matlab
I've read some explanations of how autocorrelation can be more efficiently calculated using the fft of a signal, ... at a detailed level. See Question&Answers more detail:os...
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signal processing - calculate exponential moving average in python
I have a range of dates and a measurement on each of those dates. I'd like to calculate an exponential ... , any advice would be appreciated) See Question&Answers more detail:os...
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Oct 17, 2021
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