On Mon, Apr 28, 2014 at 10:14 AM, William Unruh <[email protected]> wrote: > Not sure why they would need a lower cutoff, except that it would allow > the ancient telephone receivers to comply. Certainly one can make > cheap receivers now that go a lot lower than 300Hz.
Because 3.1 kHz of bandwidth is cheaper for the telcos to trunk than 3.4 kHz. Henry _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
