August 17, 2006
Sorting out voices on conference calls
Conference calls are getting easier and cheaper to set up but, with several different people speaking at the same time, it can be hard to know just who is saying what.
"At the start of a new call everyone involved would say a few words. Software would analyse these to identify whether any voices sound particularly alike. If they do, one of these voices is left as it is but the other is shifted slightly in pitch, using the same technology employed in recording studios to artificially keep poor singers in tune."
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