Remove background noise from an audiotrack

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Lluís Ballber Mayans 2021-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/744502-remove-background-noise-from-an-audiotrack

评论： Lluís Ballber Mayans 2021-2-16

Hi everyone!

I have an audio recorded from my mic that has background noise, which it is the best way to get rid of it using MATLAB?

I tried Audacity noise removal and it worked pretty well, taking the profile of the noise, but I wish I could have a code in MATLAB since I am working with videos using MATLAB and the audios are from the videos, so I would have a 1 step code for processing my videos (instead of MATLAB+Audacity).

I want to mention also that I don't have experience in signal processing so if you can explain me a bit the code it will be much appreciated. I let you the sample (test.m4a) and the background noise when the mic is on without talking (noise.m4a).

Thank you so much!

Lluís

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Paul Hoffrichter 2021-2-16

在 MATLAB Online 中打开

>> m4a is not supported....
>> You asked me why I didnt attach here the audios

Hard to interpret "..."

Since you attached the two files to the OP, then it was clear that the "..." must mean something other than the files cannot be attached! What else could the "..." mean then!? Hard to interpret "..."!!

Lluís Ballber Mayans 2021-2-16

You dont need to interpret anything from that, I was answering your question, that's all, I wrote "..." to not seem rude saying only "m4a is not supported.", anyway, this is way over the topic, it is pointless keep commenting on that!

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