On 06/29/2010 09:38 PM, Anthony Minessale wrote: > you either have to decode them and merge them together by adding the > samples or know some kind of dsp trick to do it while its encoded. There isn't really a DSP trick you can use. You could use a 64k entry look up table, but otherwise you decompress the A-law, add with saturation, compress to A-law and send it.
Steve > > > On Mon, Jun 28, 2010 at 4:34 AM, Achim Stamm <st...@lyth.de > <mailto:st...@lyth.de>> wrote: > > Hello! > > I have following problem: > > I get 160 Bytes Audio data (Format PCM A Law) from a Free Switch > Session > and save the data in a byte vector. > At same time i get 160 Bytes Audio data (Format PCM A Law) from an > external program and save the data in a byte vector. > I want to merge the two audio data like a conference FreeSwitch > Session > mixed them. > Can I use a Free Switch audio - Merge (C ++) Function ? > How does Free Switch merge Audio Data in Conference mode ? > > regards > > Achim Stamm > > -- > Achim Stamm, Dipl.-Inform. (FH) > > > Lyncker & Theis GmbH > Wilhelmstr. 16 > 65185 Wiesbaden > Germany > > Fon +49 611/9006951 > Fax +49 611/9406125 > > > Handelsregister: HRB 23156 Amtsgericht Wiesbaden > Steuernummer: 04323897052 > USt-IdNr.: DE255806399 > > Geschäftsführer: > Filip Lyncker, > Armin Theis > > > _______________________________________________ > FreeSWITCH-dev mailing list > FreeSWITCH-dev@lists.freeswitch.org > <mailto:FreeSWITCH-dev@lists.freeswitch.org> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev > http://www.freeswitch.org > > > > > -- > Anthony Minessale II > > FreeSWITCH http://www.freeswitch.org/ > ClueCon http://www.cluecon.com/ > Twitter: http://twitter.com/FreeSWITCH_wire > > AIM: anthm > MSN:anthony_miness...@hotmail.com > <mailto:msn%3aanthony_miness...@hotmail.com> > GTALK/JABBER/PAYPAL:anthony.miness...@gmail.com > <mailto:paypal%3aanthony.miness...@gmail.com> > IRC: irc.freenode.net <http://irc.freenode.net> #freeswitch > > FreeSWITCH Developer Conference > sip:8...@conference.freeswitch.org > <mailto:sip%3a...@conference.freeswitch.org> > googletalk:conf+...@conference.freeswitch.org > <mailto:googletalk%3aconf%2b...@conference.freeswitch.org> > pstn:+19193869900 > > > _______________________________________________ > FreeSWITCH-dev mailing list > FreeSWITCH-dev@lists.freeswitch.org > http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev > http://www.freeswitch.org > _______________________________________________ FreeSWITCH-dev mailing list FreeSWITCH-dev@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev http://www.freeswitch.org
