You are thinking of fighting sound with sound?
Yeah, Isn't that how those noise cancellation headphones work? A mic picks up backround noise then the speakers reproduce sound canceling it out? The orignal noise sound wave is disrupted and quited by another wave opposing it?
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Sound is a pressure wave, which consists of a compression phase and a rarefaction phase. A noise-cancellation speaker emits a sound wave with the same amplitude but with inverted phase (also known as antiphase) to the original sound. The waves combine to form a new wave, in a process called interference, and effectively cancel each other out - an effect which is called phase cancellation. Depending on the circumstances and the method used, the resulting soundwave may be so faint as to be inaudible to human ears.
A noise-cancellation speaker may be co-located with the sound source to be attenuated. In this case it must have the same audio power level as the source of the unwanted sound. Alternatively, the transducer emitting the cancellation signal may be located at the location where sound attenuation is wanted (e.g. the user's ear). This requires a much lower power level for cancellation but is effective only for a single user. Noise cancellation at other locations is more difficult as the three dimensional wavefronts of the unwanted sound and the cancellation signal could match and create alternating zones of constructive and destructive interference"
Stereo speakers are usally not as close as guitar speakers. I thought if the speakers were close enough as in a cab it may reduce volume.
But, like you guys said it probally wouldn't work well. There would probally be a zone that sounded loud but out of phase, a zone that sounded loud and in phase, and a small zone that sounded a little quieter and tinny.
Topic: Reduce volume (Read 4622 times)