Displaying 2 results from an estimated 2 matches for "balnac".
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balzac
2006 Jan 14
4
tuning an x100p in Australia for echocancellation
...t; > can do impedence matching on the line, or of a modification to the
card
> > (eg component swapping) which could allow some manual adjustment?
>
> Twenty years ago, the telphone companies in the US had several types
of
> hardware devices available for impedence matching, line balnacing,
etc.
> The devices were used to compensate for several different problems
that
> would be too costly to fix through conventional means. I don't have
any
> clue where one might find those boxes today since those types of
issues
> have essentially disappeared due to the heavy use...
2006 Jan 13
1
tuning an x100p in Australia for echo cancellation
I have an x100p which suffers from echo (no surprise there apparantly
:), and a few of the things I've read about tuning out echo say the
first thing to get right is the tx and rx gain, and for that you need a
few different types of test lines from the telco (Telstra, Optus,
whatever). Does anyone have any numbers in Australia for such lines? I
think they just need to send out a tone of a