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Hello, I have one question regarding 2, 3 or more reflections and multiple tail circuits. Is the double reflections or three reflections overall can be called as single tail circuit? Or Can we consider 3 reflections as 3 small dispersive regions in a echo path added to form a multiple tail circuit? 1 Reflection can be considered at the hybrid( 2 wire to 4 wire junction). What could be the source of multiple reflections? Regards, Camara |
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Reflections & multiple tail circuits
Started by ●September 14, 2002
Reply by ●September 16, 20022002-09-16
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If you are refering to the multiple tail circuits listed in ITU
Recommendation G.168, these are indeed separate reflections. These represent reflections from multiple hybrids or interfaces. Those listed for North America were actually measured reflections when multiple connections were used to complete a circuit. Other multiple connections can occur in todays environment when subscribers are added to connection to make a 3-way or 4-way conference call, and the conference is not originated from a single source. Maurice Givens ---------- =?iso-8859-1?q?Mark Antony?= <> writes: From: =?iso-8859-1?q?Mark Antony?= <> To: Subject: [echocancel] Reflections & multiple tail circuits Date: Sun, 15 Sep 2002 01:18:00 +1000 (EST) Hello, I have one question regarding 2, 3 or more reflections and multiple tail circuits. Is the double reflections or three reflections overall can be called as single tail circuit? Or Can we consider 3 reflections as 3 small dispersive regions in a echo path added to form a multiple tail circuit? 1 Reflection can be considered at the hybrid( 2 wire to 4 wire junction). What could be the source of multiple reflections? Regards, Camara _____________________________________ Note: If you do a simple "reply" with your email client, only the author of this message will receive your answer. You need to do a "reply all" if you want your answer to be distributed to the entire group. _____________________________________ About this discussion group: To Join: To Post: To Leave: Archives: http://www.yahoogroups.com/group/echocancel Other DSP-Related Groups: http://www.dsprelated.com ">http://docs.yahoo.com/info/terms/ ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. |
