David,
Are you planning to have a PC at every radio to generate the streaming
audio?

Your application is interesting to me because I'm beginning the design of an
EOC system where multiple operators can select from any of many radios for
Receive AND Transmit, with bi-directional audio, PTT and other control
signals being sent over Cat5 using IP.  Each radio would have it's own
little interface box that connects to a LAN.  Each operator would have a
control box on the LAN with mic/headset jack, keypad, display etc, but not
necessarily a full-blown PC.

Let me know what you finally come up with for your application.

73,

Carey Fisher, K8VZ
Chief Technical Officer
New Communications Solutions, LLC
5364 Valley Mist Trace
Norcross, GA  30092
Toll-free Phone & FAX:  888-883-5788
Local Phone:  770-778-2132

   > -----Original Message-----
   > From: pic microcontroller discussion list
   > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of David VanHorn
   > Sent: Wednesday, March 31, 2004 9:56 AM
   > To: PICLIST@MITVMA.MIT.EDU
   > Subject: Re: Good telephone-like software for a 100 Mbps LAN?
   >
   >
   > At 03:40 PM 3/31/2004 +0100, Tim ODriscoll wrote:
   >
   > >On Wed, 31 Mar 2004, Omega Software wrote:
   > >> I'd like to install a "telephone" software in my local area network.
   > >> This software should allow voice communication through a microphone
   > >> and possibly speakers, not just headphones, thus some sort of echo/
   > >> larsen cancellation would be appreciated. It will be used on a 100
   > >> Mbps Ethernet LAN where about 10 PCs are networked in
   > different rooms
   > >> of the house. The way I imagine it would work is to select an local
   > >> IP address and initiate a telephone-like call with that PC.
   > >
   > >NetMeeting for windows boxes, and Gnome meeting for the Linux ones?
   >
   > I'm looking for something similar, with multiple audio
   > streams, that would allow clients to select multiple streams
   > and control mix levels. One-way only, from server to client.
   >
   > This is for our county EOC, allowing each operator to select
   > what radios they are listening to, and the level.
   >
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