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Denoiser was designed to remove audio noise from voice recordings (mp4).

No ads, no limitations, no data collection, it works offline, and it's free.

It aims at removing background noise like:

- white noise, hiss, rain, sea, wind, car, fans, hoover noise, etc.

# HOW CAN YOU TEST IT? use 2 devices

-> 1st device: a smartphone with Denoiser App to record your voice

-> 2nd device: a noise generator or a smartphone/laptop/tv where you open YouTube and play something like "10 hours of white noise / rain / driving car etc" in the background. You can try also with a vacuum cleaner, hair dryer, etc.

It's our first version so please be forgiving. Give us a chance to fix the bug if you found one before you write a bad comment. Just write to us, and describe the bug. We will fix it right away! A deal? :-)

If you have any ideas about what we should add to make the app better and more convenient, just let us know. We would be happy to make you happier.

FAQ:

Q: How can I obtain the best quality?

A: By recording in the highest quality and the highest sample rate of the audio track. Our algorithm can then recognize the noise more precisely.

Q: Where are the files being saved?

A: Technically it's ExternalStorageDirectory() + "/Download" in many cases this would be "/storage/emulated/0/Download". The easiest way to get there is by using some kind of Files explorer -> go to Internal Memory -> and Download folder. That's it. We are working on choosing a custom save path.

Q: How loud can the noise be?

A: It cannot be too loud. If it's louder than the recorded voice, you will not get good results. Technically speaking, it would be best if the Signal-to-Noise Ratio (SNR) was 15 dB or more.

CURRENTLY WORKING ON FEATURES:

- improving the autogain option

- normalization option

- postprocessing filters

- saving to custom locations

- processing also audio files (mp3, wav, flac, etc.)