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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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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...