Audacity is a free recording software for Windows, Mac Os x and Linux. Audacity comes with a feature you would expect: Multi-track audio editor, Ability to record a live audio file through a mixer or your microphone or any other digitise recording media, edit various audio format: Wav, Aiff, Mp2, Mp3, Ogg and Flac. 0% down and 1% down mortgage offerings just started to gain traction in the industry when Freddie Mac announced it is changing the requirements and completely nixed its program option.

1. Program For Mac That Cancels Out Sounds True
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3. Program For Mac That Cancels Out Sounds Of The Ocean

I would like to use my Mac as an audio cancelling device, like headphones that reproduce the outside noise in inverted form, so it cancels out (typically found in airports). With a normal pair of headphones, my Mac could record the ambient noise and send it to my headphones to achieve noise reduction.

Is there a program able to do this?

hairboat♦Stefano Borini

Program For Mac That Cancels Out Sounds True

Stefano Borini

2 Answers

Audacity can do this as far as I know. There is a White Noise generator, and under the Effects menu there is a 'Noise Removal' option.

I don't know if you can do it in realtime, but you could make a short recording of the ambient noise, run the Noise Removal, figure out what got removed (subtract before and after), and then play that part but inverted. Maybe....

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This is not possible because the inverted noise would be picked by the computer mic and 'attenuated' again and again causing a very noisy feedback, like an electric guitar near the speaker. Noise canceling headphones have mic separated from speakers.

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