Live Noise Cancellation Demo

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About this app

Attempting to implement noise cancellation with your smartphone is a fascinating endeavor that involves recording the ambient noises in your surroundings and subsequently identifying the primary frequency of the intrusive noise. Once this frequency has been determined, you can then generate an inverted or phase-shifted version of the same frequency and play it back through your phone's speakers. This innovative technique can more or less cancel out the unwanted noise, creating a quieter and more comfortable environment.

But it has to be said, that this approach to noise cancellation with a smartphone is not without its challenges and limitations. It relies on the assumption that the intrusive noise has a consistent and identifiable frequency, which may not always be the case. Additionally, generating an accurate inverted frequency can be technically complex and may not result in perfect cancellation, leaving some residual noise.

Ratings and reviews

great app! lowkey Thought it was an actual noise cancelling but i see this is still experimental. i really hope you continue this project dude. i want my noise cancelling ✌️💔💔

Only allows one frequency. Developer should allow typing in the frequency instead of dragging your finger. If you were trying to use this as a background sound elimination tool, you're out of luck.

Great educational app, but please add live noise cancelling that can detect multiple frequencies in a sound and cancel those out by playing that combination of frequencies, all automatically.