I like this idea! - maybe use dtmf tones? Though there are apparently people who can tell the number from the tones which may be a privacy issue for some.
BillK On Sat, 2010-01-30 at 04:10 -0800, Brolin Empey wrote: > Hello list, > > Yes, believe it or not, I am actually posting a message which could be > considered on-topic! ;) > > I have had an idea for years, but have not searched to see if anyone has > already implemented it. > > My idea is to have my cell phone (my FreeRunner, of course, which runs > QtMoko v14) dynamically generate a ringtone for incoming calls: the > ringtone would be a monophonic sequence of tones or notes corresponding > to the sequence of digits in the calling phone number. I think this > would be cool because I could identify the caller by the ringtone alone: > I would not need to read the display. The initial version could > hard-code the mapping of digits to notes; a subsequent version could > read the mapping from a file, like Keynote does (see below). > > Has anyone already implemented this? Which search terms should I use to > get relevant results from Google Search or maybe Bing? > > In 2002, I found an MS-DOS program (I think; or maybe it was for > Windows?) which read a phone number on the command line and wrote a .wav > file of the (DTMF?) tones a touch-tone phone uses to dial the phone > number. I thought it was cool because I could hold a handset’s > mouthpiece up to the PC speakers (I mean the stereo speakers connected > to the line-out or speaker-out jack, not the PC speaker inside the case! > :)), then play the .wav file to dial the phone number. I should try to > find that program again. I think it was written in Turbo Pascal or > Borland Pascal, but I forgot if it was open-source; I used the author’s > binary. I think it was called TCHTONE? > > If Timidity++ works on QtMoko, I could try to figure out how to read the > calling phone number, map its digits to General MIDI notes, then feed > the MIDI sequence to Timidity++. > > I already have experience mapping digits to General MIDI notes in my > “note” and “Keynote” programs. I wrote both in C while I was learning > to program (well, I am always learning! :)), but I did not know what I > was doing then so the source is gross. I probably should have used an > interpreted language, such as Perl or Python, instead of a compiled > language, such as C, though. Keynote is for Windows only, but note is > cross-platform: in 2004 or 2005, I had it running on MS-DOS and > FreeDOS, Windows 98 Second Edition (AKA Lose98 Second Failure. Yuck!), > Windows 2000 Professional Edition and/or Windows XP Professional > Edition, Linux v2.6.x with glibc (multiple distros, but I settled on and > used Gentoo the most), and FreeBSD v4.10, maybe v5.0 too. I used GNU > development tools (GCC v3.x, binutils, make, ...?) on all platforms: > DJGPP on MS-DOS/FreeDOS, MinGW on Windows, and native GCC on Linux + > FreeBSD. Anyway, note uses ALSA on Linux to play notes with > Timidity++’s ALSA sequencer interface, so I could probably reuse that > code on the FreeRunner. > > Anyway, enough rambling. How much interest would there be if I cobbled > together a “ringnote” or dynamic ringtone (“dynringtone”?) program? :) > I use only QtMoko on my FreeRunner, so I would need people to help > support other distros. > > Brolin > > PS: How many Openmoko users make their own ringtones? I used OpenMPT > on Windows to save one of my favourite chiptunes, Random Voice - Monday > (MOD format) [1], as a PCM .wav file, then used LAME to encode the .wav > file as an MPEG audio file so I could use it as my ringtone on my Nokia > 6103b (Series 40), then my FreeRunner, since neither Series 40 nor > QtMoko supports module formats as ringtones. > > [1] <http://www.fladen.net/> > -- William Kenworthy <bi...@iinet.net.au> Home in Perth! _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community