Is there a way to play adpcm, 6KHz in asterisk? If yes, where can we get this codec? Thank you. Alex Zarubin -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20030916/b8be2453/attachment.htm
6KHz != 6kbps bkw On Tue, 16 Sep 2003, Alex Zarubin wrote:> Is there a way to play adpcm, 6KHz in asterisk? If yes, where can we get > this codec? > > Thank you. > > Alex Zarubin > > >
What I need is adpcm algorithm (4 bits per sample) with 6 KHz sampling rate (6000 samples per second). This is 24kbps. The standard (cvs) asterisk adpcm plays at 8 KHz, i.e. 32kbps. Alex Zarubin -----Original Message----- From: Brian West [mailto:brian@bkw.org] Sent: Tuesday, September 16, 2003 4:47 PM To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Adpcm, 6KHz codec 6KHz != 6kbps bkw On Tue, 16 Sep 2003, Alex Zarubin wrote:> Is there a way to play adpcm, 6KHz in asterisk? If yes, where can we get > this codec? > > Thank you. > > Alex Zarubin > > >_______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20030916/d1889628/attachment.htm
I am positive, 4 bits per sample, 6000 Hz. This is a default play/record setting for the older Dialogic R4 API and we need to play zillions (sic!) of files (messages) recorded this way. Conversion issues: - expensive - resampling quality - storage - application changes - etc. Would be real nice and useful to have this codec. Thank you. Alex Zarubin Webley Systems, Inc. -----Original Message----- From: Mark Spencer [mailto:markster@digium.com] Sent: Tuesday, September 16, 2003 11:23 PM To: 'asterisk-users@lists.digium.com' Subject: RE: [Asterisk-Users] Adpcm, 6KHz codec> What I need is adpcm algorithm (4 bits per sample) with 6 KHz samplingrate> (6000 samples per second). This is 24kbps.Are you sure you're not thinking of 3 bits per sample 8000 Hz ADPCM (also 2400kbps)? Mark _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20030917/45f580b3/attachment.htm