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
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