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Filtering out a Specific Sound from a Audio File

https://www.mathworks.com/matlabcentral/answers/336881-filtering-out-a-specific-sound-from-a-audio-file

First load the signal into MATLAB using the command wavread (using older MATLAB versions) and audioread (using newer versions) which you can read more about in the MATLAB help file. Example of loading audio file and playing audio in MATLAB (2017a): a.) Use the DFT to figure out the tone frequencies (at least approximately).

GitHub - Sankul2699/Audio-filtering-using-matlab

https://github.com/Sankul2699/audio-filtering-using-matlab

Audio-filtering-using-Matlab. To fully understand the performance of a device, a signal must also be analyzed in the frequency domain. This is exactly what the spectrum analyzer does. It should be notes, however, that with great advances in digital technology, the distinction has become little fuzzier. Some oscilloscopes can perform vector ...

filters - Filtering an Audio File in MATLAB - Signal ...

https://dsp.stackexchange.com/questions/40871/filtering-an-audio-file-in-matlab

I am trying to process an audio file in Matlab by filtering out all frequencies except those within $\pm 25\ Hz$ of $523\ Hz$ (as well as its harmonics up to the Nyquist). The resulting waveform should look like the green wave displayed below (blue being the original): However, my resulting waveform is entirely zero: Here is the simple code I ...

Audio Filtering in Matlab - YouTube

https://www.youtube.com/watch?v=fInDZLZMGxA

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filter - Filtering Audio Signals in MATLAB - Electrical ...

https://electronics.stackexchange.com/questions/397795/filtering-audio-signals-in-matlab

I'm trying to apply a filter to an audio signal in MATLAB and having some trouble processing it. So far, I have a transfer function that describes a K-weighted filter, and I am able to create a bode plot that looks correct. Here is the script for that one: I have another script that reads audio from a .wav file, plays it, and plots the waveform.

Audio Signal Processing in Matlab | Engineering …

https://www.section.io/engineering-education/audio-signals-processing-using-matlab/

Matlab is a good tool for the analysis of an audio signal. It has functions that make it much easier to visualize these signals. Just as discussed, audio signal analysis requires a proper tool to deal with in which Matlab is. Filtering audio signal is an important feature since it can be used to retain lost information.

How to pass a audio signal through a filter

https://www.mathworks.com/matlabcentral/answers/63967-how-to-pass-a-audio-signal-through-a-filter

How to pass a audio signal through a filter ? It should work based on spectral energy i.e if its between 0-4 kHz it falls on speech band and If it falls between 4 kHz-8 kHz then it comes under noise band.Now the VOS(voice operated switch) should be activated if the signal is in speech band and it should be deactivated when it is in noise band.

Noise Reduction by Wiener Filter by MATLAB - Audio ...

https://medium.com/audio-processing-by-matlab/noise-reduction-by-wiener-filter-by-matlab-44438af83f96

Audio Processing by MATLAB · Follow. Jarvus · Follow. Apr 8, 2019 · 1 min read. Noise Reduction by Wiener Filter by MATLAB. Tutorial #6. Download Source Code (Free P code) Download for MATLAB

Audio Signal Processing Using Filter (LP, HP, BP, BS ...

https://www.instructables.com/Audio-Signal-Processing-Using-Filter-LP-HP-BP-BS-M/

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