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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: A Graphical Explanation involving Sampling posted by jj on February 17, 2000 at 09:25:41:
The following two URL's (one standard way, one in text), show:In text URL: This shows 8 sampled 20kHz sine waves, sampled at 44.1 kHz. The 8 different phases are each 45 degrees advancing, from top, down. The fact that the 8 phases are entirely visible is obvious, I think.
In standard link URL: This is a blown up picture of 0-7 degrees advancing. Notice that while the peaks don't seem to move much (because they don't) the details around zero are definately different, and you can see them evolving as the phase rotates.
So, we can show, visually, via rather insensitive displays, that phase IS preserved.
How's that, Werner?
In_text URL is:
Advancing Phase by 45 degrees
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Follow Ups
- Phase Preservation. - jj 13:08:43 02/17/00 (0)
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