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5,894 questions
Newest Active Bountied Unanswered
Score of 1
0 answers
68 views

I am currently working on sonar simulations and have modified the following code: https://uk.mathworks.com/help/phased/ug/underwater-target-detection-with-an-active-sonar-system.html Modifications ...
Advice
1 vote
1 replies
50 views

I am building a tool for DJ mixes that automatically synchronizes the official MV of an original song with a remix version (mp3). The goal is to perform lip-syncing for the vocal sections and switch ...
Advice
2 votes
4 replies
117 views

I'm building a small CLI tool for myself to help me find transcoded audio files. The idea is to detect "fake" high-bitrate files that have actually been transcoded from a lower-quality ...
Advice
1 vote
2 replies
97 views

I have a simple sinusoid with amplitude of 1, but pwelch() gives me a different peak value. As far as I know, Welch's method is just an averaged squared DFT with a window function (Hamming in MATLAB). ...
Advice
0 votes
0 replies
52 views

I've been thinking about the problem of acoustic echo and feedback in laptop video calls when a user isn't wearing headphones. When AEC struggles — reverberant rooms, double-talk, sudden acoustic ...
Advice
1 vote
4 replies
87 views

Good morning, I'm writing my thesis on ECG signal acquisition and processing. I'm using the ICARE dataset. I'm currently researching Matlab codes that could help me with the processing. I specifically ...
Advice
0 votes
0 replies
36 views

Our team has developed a new metric to assess the quality of brainwave signals. However, we need to verify whether this metric is universally applicable, and we want to determine if there is an ...
Score of 1
1 answer
84 views

I am trying to perform simple audio denoising using an STM32F401RE Nucleo board. I have .wav audio files that are: mono 16-bit PCM 16 kHz about 7–8 seconds long Python reads the audio samples and ...
Best practices
0 votes
9 replies
122 views

I have a sampled 1D signal that contains very sharp periodic peaks. The peaks are narrower than the sampling resolution, and the lower part of the signal contains noise. The goal is to estimate the ...
Score of 4
1 answer
267 views

I am trying to apply a geometric anisotropic filter that approximates the cross‑track footprint elongation of an imaging sensor. The geometric approximation I want to use is: 1/cos²(θ) where θ is the ...
Score of 1
0 answers
160 views

I would like to implement continuous wavelet transform (CWT) using JAX. According to ChatGPT, it is in practice computed by performing a discrete convolution with a sampled wavelet function at ...
Score of 0
0 answers
89 views

I am not sure why this is happening so I am coming here to look for any sort of help I can get. Basically when recording any jack device such as firefox in my app it comes out as distorted. But it ...
Score of 0
0 answers
79 views

I'm trying to simulate a transmission chain in GNU radio and send an audiofile, my output file has very loud pure noise but the original audio can be heard underneath. Looking at the output wave shows ...
Score of 2
0 answers
117 views

I'm trying to calculate the autocorrelation time for a time series generated from molecular-dynamics trajectory frames. I used several methods to estimate the autocorrelation time because I need it to ...
Score of 2
1 answer
79 views

I'm trying to make a digital audio synthesizer from scratch in C++ using a combination of resources. I'm using functions from raylib to play a raw audio stream. Here's the code: #include <iostream&...

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