>Hello to all, > >who has already done DTMF recognition with ALSA ( OSS )? >I searched for examples in google, but I have found that >only in TODO lists ;-(. > >Is this so difficult or why doesn't exist anything about that?
its a relatively trivial FFT problem. use FFTW to analyse the signal, then look for two predominant frequencies, and check their values against a table. believe it or not, there are many, many things that have never been written in the open source arena. --p ------------------------------------------------------- This sf.net email is sponsored by: Jabber - The world's fastest growing real-time communications platform! Don't just IM. Build it in! http://www.jabber.com/osdn/xim _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel