Questions tagged [active-noise-control]

Active noise control (ANC), also known as noise cancellation, or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first.

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DIY Active Noise Cancellation?

I wanted to perform an experiment with Active Noise Cancellation. I've downloaded a song from YouTube. I converted it to .wav using FFmpeg. Then I negated it using sox: sox -v -1 song3.wav song3-...
cubuspl42's user avatar
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cancel out audio in a recording with convolution, phase inversion

If I am playing audio out of a speaker into a room, and there is a microphone in the room recording all the sounds in the room, can I cancel out the sound produced by the speaker in the recording? I ...
user2418372's user avatar
3 votes
2 answers

Audio Signal Difference Extraction

I'm from visual arts background and so, I'm not familiar with technical aspects of sound design. But I'm exploring and learning everyday. Currently, I'm working on a sound art project, for which I'd ...
hninja's user avatar
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2 votes
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How can I remove buzz/static from a recording in Logic Pro X

This particular buzz was a ground loop problem with the recording equipment, so it's a small hum. Using Noise Gate doesn't work because it can only take it out where there's no other sounds. Someone ...
user16409's user avatar
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Active noise cancellation on speakers [closed]

I was wondering if it is possible cancel out my voice during a phone call using active noise cancellation for people around me. The speakers of my phone could reproduce the signal recorded from my own ...
Simone's user avatar
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2 votes
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Selective amplification of a voice signal

In many TV programmes, the director is speaking to the show host via an ear-piece that the host is wearing, and at many instances, what is being said through that ear-piece is more or less audible ...
user7341's user avatar
2 votes
2 answers

Active noise control barrier at tunnel openings in undergroundsubways

I know that Noise cancellation never works on scales larger than the sound's wavelength.but,at underground stations during the train arrival time we experience a lot of disturbance which sometimes ...
user2792481's user avatar
1 vote
1 answer

Active noise control

In most papers I search for benefits of active noise control, most of them contain one single sentence without explanation that ANC increased material durability and fatigue life. But why?
zahra's user avatar
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