How about a generic beep detector? One that detects beeps at various frequencies not fixed frequencies that would listen to the RTP audio stream and send out a manager event when a detection occurs?
John > -----Original Message----- > > Hi Jerry, > > On Thu, Apr 8, 2010 at 6:54 PM, Jerry Geis <[email protected]> > wrote: > > I am looking for something in asterisk that > > will let me record a wav file in asterisk (which I know how to do) > > then some other command (external or dialplan) that would read > > the wave file and tell me if a certain tone or frequency is present. > > > > Is this in asterisk already - any way to do it? > > Thanks > > You might want to look into the PipeWave tools: > http://www.cardiff.ac.uk/psych/home2/CullingJ/pipewave.html > > The tools can generate a FFT (fast-fourier transform) of a wav file > which converts the data into the frequency domain, which should allow > you to tell if a certain frequency is present. > > -- James > > > > > Jerry > > -- -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
