Below are links to e.Digital's patents. They show all of the drawings which allows people to better understand the nature and claims in the patent.
Unfortunately, it doesn't seem to search patent applications so I couldn't post either the digEcor or e.Digital application. The drawings in those applications are instructive.
This is one of the patents that was on the search page. It's funny to see some of the things people pay to patent with no potential to enforce: http://www.google.com/patents?id=RnM6AAAAEBAJ
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