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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,752
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Quote:
Originally Posted by BK911
then generating a sound wave with the opposite phase (inverted) to effectively cancel out the unwanted noise through a phenomenon called destructive interference
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Quote:
Originally Posted by cockerpunk
in reality, what noise cancelling headphones do, is produce a phase shifted signal so that the waves cancel.
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Isn't it a phase inversion (the original statement does say that the sound wave is inverted to cancel the noise through destructive interference.
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa  SOLD 2004 - gone but not forgotten
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