**Thanks a lot, this was been very helpful 2010/11/26 Moises Silva <moises.si...@gmail.com>
> > On Thu, Nov 25, 2010 at 11:54 AM, Gustavo Santos <gust...@voip.ufrj.br>wrote: > >> I am studying about echo cancellation in asterisk and I want to use the >> numeric information from dahdi_monitor verbose for my research. >> Unfortunately, I couldn't find anything about the unit of measurement used >> in this tool. Which unit is used to measure the signal level? >> >> > dahdi_monitor uses the sample values in L16 format. > > They are in orders of magnitud of G.711. See tables 5 and 6 of the G.711 > spec. In the end, the reference value is the dBm (google that). > > Moises Silva > Senior Software Engineer > Sangoma Technologies Inc. | 100 Renfrew Drive, Suite 100, Markham ON L3R > 9R6 Canada > t. 1 905 474 1990 x128 | e. m...@sangoma.com > > > -- > _____________________________________________________________________ > -- 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 >
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