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how is digital sound created?

So sound is a vibration which is created from things rubbing or banging together etc. If stuff isn't interacting with something to create a sound how are sounds created from nothing? I.e in the digital world? Music on an iPod or a beep from a computer? I have always wondered what the noise's are and that come from computers when they are 'thinking' or working - wtf's going on there?

lucaspeni

Showing 5 responses by jasonbourne52

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jasonbourne52
2,863 posts
 
All sound is produced by something vibrating in air. Intercranial stimulation has not been perfected yet!
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jasonbourne52
2,863 posts
 
"In Space no one can hear you scream" - advertising blurb for the film Alien.
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jasonbourne52
2,863 posts
 
Look up the Nyquist Theorem! 
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jasonbourne52
2,863 posts
 
+1 yage! It is obvious that millercarbon did not know what "interpolation" is!
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jasonbourne52
2,863 posts
 
+1 cleeds! Too many still believe that more expensive DACs do a better job of "smoothing out" the steps between digital samples. Nonsense! My $99 DAC outputs rival those of any four-figure DAC (low noise, low distortion, accurate LSB ...).
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