Hi Dave,
Thinking about wireless solutions to take the word-clock of flourescent
lighting reminds me of ths:
"A patented Australian system using fluorescent lights to transmit
pricing data to electronic price labels on shop shelves"
http://www.theage.com.au/articles/2004/01/21/1074360832892.html
That could cover word-clock distribution *and* remote control.
Ross.
On 28/01/2013 9:14 PM, Dave Malham wrote:
Hi Ross,
That's probably the simplest solution for something that could use
local SD card players, though not for real time work. Keep the average
sample rate over a long period of time synced to the AC frequency
(doesn't matter if there is some drift due to distribution grid
loading, as all units should see this the same) and start time
controlled by a simple RF remote control system. They'll all stay in
sync and so long as the inter-unit delays are minimal (see Fons'
earlier email) it'll be fine for pretty well anything except perhaps
wfs
Dave
On 28 January 2013 02:53, Ross Bencina <[email protected]> wrote:
How about deriving word clock from the AC power line? :)
Ross.
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