On Fri, Jan 03, 2014 at 08:02:17PM +0100, Arnold Krille wrote: > On Fri, 3 Jan 2014 16:00:16 +0000 Fons Adriaensen <[email protected]> > wrote: > > BTW, 120 db SPL is also around 1 W / m^2, so harvesting energy from > > sound panels (similar to solar panels) is another idea that won't > > go far. > > I like your wording here:-)
Purely accidental - 'pun not intended'. > Especially considering the fact that sound > distributes spherical. So the energy looses in r^3... afair. No, sound power (for a point source) goes down as the square of distance. It's power / surface and the surface of a sphere is 4 * pi * r^2. Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow) _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
