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why transcoding of speech signals at GSM end is 13Kbps and from PCM end is 32Kbps,64Kbps? sarathy_26 18-August-2008 08:44:42 PMComments www.ditechcom.com/learningcenter/whitepapers/wp_codec_transcoding.pdf Posted by crouse www.scribd.com/doc/7148901/Voip-3 - 99k - Posted by crouse It represents a speech frame that is transmitted at the end of a 20ms speech ..... via the 64kbps rate is then reduced to 13kbps by use of a voice coder. Posted by waqasahmad In general 64 kbps PCM time slot or payload bit rate forms the basic building block for the transmission so trans coder is required to convert 13kbps into 64kbps Posted by HamidAliKhan The 64 kbps PCM time slot—or payload bit rate— forms the basic building block for the transmission so trans coder is required to convert 13kbps into 64kbps Posted by sagitraz The PSTN lines will be connected through the 64Kbps lines(remember the twisted pair wire cable terminated at the land line) so a transcoder is required to convert the 13 Kbps line into the 64 Kbps and vice versa. Posted by mohsin_n_alam |
Posted: 19-August-2008 12:21:03 PM By: mohsin_n_alam The PSTN lines will be connected through the 64Kbps lines(remember the twisted pair wire cable terminated at the land line) so a transcoder is required to convert the 13 Kbps line into the 64 Kbps and vice versa. | |
Posted: 31-December-2008 07:51:37 AM By: sagitraz The 64 kbps PCM time slot—or payload bit rate— forms the basic building block for the transmission so trans coder is required to convert 13kbps into 64kbps | |
Posted: 31-December-2008 01:33:56 PM By: HamidAliKhan In general 64 kbps PCM time slot or payload bit rate forms the basic building block for the transmission so trans coder is required to convert 13kbps into 64kbps | |
Posted: 01-January-2009 12:04:40 AM By: waqasahmad It represents a speech frame that is transmitted at the end of a 20ms speech ..... via the 64kbps rate is then reduced to 13kbps by use of a voice coder. | |
Posted: 12-February-2009 04:52:17 AM By: crouse www.scribd.com/doc/7148901/Voip-3 - 99k - | |
Posted: 14-June-2009 12:13:32 PM By: crouse www.ditechcom.com/learningcenter/whitepapers/wp_codec_transcoding.pdf |