[ntp:questions] Can NTP sync within 1ms
david at ex.djwhome.demon.invalid
Mon Apr 28 16:38:52 UTC 2014
On 28/04/14 16:19, William Unruh wrote:
> For voice, the max frequency is something like 4KHz (eg telephone
> quality) which is 250us (125us sampling) .
Telephone quality is 3.1 kHz bandwidth from 300Hz to 3.4kHz, which
allows for channel filters/realisable anti-aliasing filters.
I believe that proper NBFM signals should have a 2.8kHz cut off.
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