| http://www.w3.org/ns/prov#value | - You do not need to be able to send the full audio bandwidth discernable by the human ear (roughly 0 to 20,000Hz) down the line, because just by expanding it from the current 300-3400Hz to 50-7000Hz, you are allowing much more of the information in the voice to be transmitted, in particular the information that allows you to discern p' from 't', 'm' from 'n', and 's' from 'f'.
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