[asterisk-users] Converting dahdi_monitor unit to dbm0

[Tzafrir Cohen]

On Sat, Oct 01, 2011 at 07:02:48PM -0300, Gustavo Santos wrote:
> Hello,
> I need to convert the dahdi_monitor output to dBm0, so I can measure Echo
> Return Loss in dB.

dahdi_monitor defaults to recording a signed linear PCM file. But latest
versions (as of 2.4.0) will output a wav file if the extension of the
file is ".wav".

There are several options to get separat Rx and Tx streams. Capital
letter options give you a pre-echocanceller signal.

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               Tzafrir Cohen
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