Ethernet LAN Looking for half duplex simulation algorithm

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Subject Author Date
Looking for half duplex simulation algorithm Ronen Yacov 06-07-07
Posted by Ronen Yacov on June 7, 2007, 8:27 am
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Hi Everybody,

I'm working in an application which enables clients to transmit audio
to each other in full duplex.
We want to make the system half duplex - what we are going to do is
compare the incoming
Audio wave to the outgoing, and if the outgoing wave is stronger - we
are going to broadcast.
If not, (Outgoing < Incoming) then we are going to block it.
Is Anyone familiar with algorithm how do such comparison ( what to
convert - average, pick ?)

Thanks,
Ron


Posted by Bob F. on June 7, 2007, 9:14 am
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> Hi Everybody,
>
> I'm working in an application which enables clients to transmit audio
> to each other in full duplex.
> We want to make the system half duplex - what we are going to do is
> compare the incoming
> Audio wave to the outgoing, and if the outgoing wave is stronger - we
> are going to broadcast.
> If not, (Outgoing < Incoming) then we are going to block it.
> Is Anyone familiar with algorithm how do such comparison ( what to
> convert - average, pick ?)
>
> Thanks,
> Ron
>
try this:
http://www.priorartdatabase.com/IPCOM/000009677
and google for voice activity detect. There is also a case where there is a
VAD value based on voice volume, the T and R values are compared and the
stronger wins...as you described. Bob



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