To increase bitrate, have you considered using fundamental frequencies with distinct overtone series (partials) instead of pure fundamental frequencies?
On Mon, Mar 4, 2013 at 11:17 AM, Michael Rogers <[email protected]>wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 04/03/13 15:56, Jens Christian Hillerup wrote: > > Nice information, thanks. Would it be wrong to assume larger data > > rates to be attainable on an FM "link" than over the telephone > > line? For music etc. FM has far superior sound quality in any > > case. > > Good point - FM radio stations use 15 kHz of bandwidth for the mono > audio baseband, so I guess you'll have 30 kHz to play with if you > transmit in stereo, versus 3 kHz for a phone line. > > > Another thing I didn't tell in my first mail is that I've been > > wanting to design a protocol for metadata, too, since it doesn't > > really make sense to decode and save half files anyway. It would > > also make it possible to send the file names and file sizes > > beforehand so the receiver can know how much of the file s/he has > > already received. > > Interesting - I'm working on transport and messaging protocols that > are suitable for use over one-way channels. Ping me off-list if you're > interested in collaborating? > > Cheers, > Michael > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > > iQEcBAEBAgAGBQJRNMkTAAoJEBEET9GfxSfMGlQH+wRvRdMVqLrGVup5yr7hmHRg > G6587WtuDtY/piKiUEtGes3LcvZo7JB0gEuDpjL3aVIwewQzjwebx6/Xjarzmwxr > c1+scJ10/w52C6BYo6uUVul2XugkSv+2w7sGKIUFJ0QS/oNWdbfgstqHfLDAFBy6 > eAFZubvPQE2Fi8oCIPXgYZAseb/L3fw90Kghkpxc6+r2/jAnSBz37LBlnJKipvsA > 6IGJwASSESeDenU1x2NCrKfa7fLUQ5OuByxSdpqDHOGK091TkCP1ON8gqpYAvTMT > /+O0SVGJy1u1ec+wK2k/7d4WcliY8D+B4pJ1vZfrqk/SsmHqUfcLd1g66g5Bu/0= > =5rdp > -----END PGP SIGNATURE----- > -- > Too many emails? Unsubscribe, change to digest, or change password by > emailing moderator at [email protected] or changing your settings at > https://mailman.stanford.edu/mailman/listinfo/liberationtech >
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