[Asterisk-Users] Milliwatt Analyzer available

[Matt Roth]

Roger,

Thank you very much for this valuable contribution.  In my opinion, this 
is a great candidate for asterisk-addons.

Sincerely,

Matthew Roth
InterMedia Marketing Solutions
Software Engineer and Systems Developer

Roger Schreiter wrote:

> Hi,
>
> some days ago  we discused here the need for an analyzer
> for the 1000 Hz tone, as opposite application to Milliwatt.
>
> Here it is: Mwanalyze
> http://planinternet.net/download/voip/asterisk/app_mwanalyze.c
>
> It performs a Fourier analysis for a fixed frequency
> and tells the amplitude.
>
> The frequency is not limited to 1000 Hz, but can be passed
> as argument. The periode duration must be a mulitple of 0.5 ms,
> thus the valid frequences are: 2000 Hz, 1000 Hz, 666.666666667 Hz,
> 500 Hz, ...
>
> Furthermore the application computes the ripple on that tone.
> In order to detect audiogaps and short noise on the line, one can
> define a treshold and a timeslice duration (typically 1s to 0.1s), and
> the application will compute the ripple for each timeslice and count the
> timeslices with a ripple greater than the given treshold.
>
> Thus the application is a tool to verify the line quality, e.g. for
> least-cost-but-not-too-bad-line routings.
>
> For conveniance Mwanalyze also generates a tone of the frequency it
> analyzes. Thus a bidirectional operation, and test for frequencies
> other than Milliwatt's 1000 Hz are possible. Anyway Milliwatt is much
> much more economic to CPU and RAM!
>
>
> For details see inline documenation or output while loading
> the module app_mwanalyze.so!
>
>
> Now, I will try to contact to dev-list, in order to put this
> application to future releases.
>
>
> Roger.