Audio Noise Filtering Open Source C#

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c# - Library for noise reduction? - Stack Overflow

https://stackoverflow.com/questions/15745725/library-for-noise-reduction

I haven't found a good library for audio noise reduction. However SoX is a really good open source command line sound processing utility. Check out their documentation page, specifically noiseprof and noisered.. What I would suggest doing to integrate it into your application, is to take the SoX executable and make it an embedded resource in your application.

c# - Filter White Noise from Recording - Stack Overflow

https://stackoverflow.com/questions/24638166/filter-white-noise-from-recording

You would ideally like a band-pass filter which NAudio doesn't provide functionality for. Here's a link I found on a possible work around using a BiQuadFilter. I believe you could also apply both a high and low pass filter to achieve the same results. You might have to play with the settings to get what you want. Hope this helps.

6 Best Audio Noise Cancelling Software to Remove Noise

https://krisp.ai/blog/noise-cancelling-software-for-pc-to-remove-background-noise/

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Filtering streaming data to reduce noise, kalman filter c# ...

https://stackoverflow.com/questions/39315817/filtering-streaming-data-to-reduce-noise-kalman-filter-c-sharp

The clean code looks like a low-pass filter: // assign default values public static double clean = double.Parse ("0"); // any value public static double KalmanFilter (double noisy) { double K = double.Parse ("0.125"); // noise 0 < K < 1 clean = clean + K * (noisy - …

c# - Using a low pass filter on audio - Stack Overflow

https://stackoverflow.com/questions/21791877/using-a-low-pass-filter-on-audio

The BiQuadFilter in NAudio operates in the time domain. You don't need to use FFT with it. Pass each sample into the Transform method to get the output sample. Use two filters one for left and one for right if you have stereo audio. I typically make an ISampleProvider implementation that in the Read method reads from a source ISampleProvider (such as an …

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