Search Mailing List Archives

Limit search to: Subject & Body Subject Author
Sort by: Reverse Sort
Limit to: All This Week Last Week This Month Last Month
Select Date Range     through    

[liberationtech] Efficient digital one-way communication

Don Marti dmarti at
Mon Mar 4 10:26:15 PST 2013

begin Jens Christian Hillerup quotation of Mon, Mar 04, 2013 at 06:53:05PM +0100:

> Whoops, we're drifting off-list. I've included the relevant parts (and
> committed a stereo fix to the main repo that fixes the bug from my
> second mail).

DTMF uses two pitches at a time -

Chords might be a way to get more information in.

(I can imagine putting an old cassette boombox up
in a tree, with enough blank tape before the music
starts to get away.  Would anyone record it and try
to decode?)

Don Marti                      +1-510-332-1587 (mobile)        Alameda, California, USA
dmarti at

More information about the liberationtech mailing list