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Old 05 December 2013, 23:49   #98
mc6809e
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Join Date: Jan 2012
Location: USA
Posts: 281
Quote:
Originally Posted by chaos View Post
You will get the same sine wave if you low-pass filter it, which is what you are supposed to do. You can't just play back samples and expect to get the original signal back, you must filter it.
Well suppose the original signal was instead a square wave. How much filtering would be needed then? None, of course.
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