[Helix-client-dev] broadcast only system

[Helix-client-dev] broadcast only system

Milko Boic milko at real.com
Tue Apr 25 09:06:38 PDT 2006


At 01:17 AM 4/25/2006, John Stirling wrote:
>OK thanks.
>
>Is this supported on both neptune_1_3_0 and cayenne_1_5_0 ?

Yes.


>Would we need to use Real servers ?

No.


>John
>
>
>Milko Boic wrote:
>
>>
>>RTSP/TCP is not required.
>>
>>This sounds like scalable multicast (RTP/UDP) which is supported by Helix 
>>DNA Client.
>>All that a receiver would need to do is open a local SDP file that 
>>describes media delivered, multi-cast address of transmission and ports 
>>to grab the data on.
>>
>>I believe Helix DNA Client still generates RRs (receiver reports) but 
>>those are very thin. You can also modify code to not send RRs based on 
>>preference setting.
>>
>>Milko
>>
>>At 07:30 AM 4/24/2006, Eric Hyche wrote:
>>
>>>Currently in order to work with Helix, there would
>>>have to be some means for the remove receiving station
>>>to establish some sort of connection with the satellite.
>>>This is needed for the RTSP control channel. Helix
>>>currently assumes it can creates this control channel
>>>via TCP.
>>>
>>>Eric
>>>
>>>==============================================
>>>Eric Hyche (ehyche at real.com)
>>>Technical Lead
>>>Embedded Player and Technologies
>>>RealNetworks, Inc.
>>>
>>>
>>> > -----Original Message-----
>>> > From: helix-client-dev-bounces at helixcommunity.org
>>> > [mailto:helix-client-dev-bounces at helixcommunity.org] On
>>> > Behalf Of John Stirling
>>> > Sent: Monday, April 24, 2006 6:06 AM
>>> > To: helix-client-dev at helixcommunity.org
>>> > Subject: [Helix-client-dev] broadcast only system
>>> >
>>> > We've got a potential customer interested in the following
>>> > application:
>>> >
>>> > Radio distribution to remote parts of africa
>>> >
>>> > 1. Radio broadcaster takes their normal output and compresses it to
>>> > MP3/Real/WMA etc
>>> > 2. This is distributed via satellite to receiving stations
>>> > which use our
>>> > radios to turn the compressed stream back in to audio for local
>>> > re-transmission on FM.
>>> > 3. The populace then listen on ordinary FM radios
>>> >
>>> > There would be a private IP network. There is no bandwidth
>>> > available for
>>> > retransmission and the back-channel is very limited so they
>>> > really need
>>> > to set up a broadcast (UDP?] arrangement all the [Reciva] receiving
>>> > stations getting the same signal.
>>> >
>>> >
>>> > Is support for this sort of thing already supported in helix ?
>>> > If not, any comments on how we might do this would be appreciated.
>>> >
>>> > John
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > Helix-client-dev mailing list
>>> > Helix-client-dev at helixcommunity.org
>>> > http://lists.helixcommunity.org/mailman/listinfo/helix-client-dev
>>> >
>>>
>>>
>>>_______________________________________________
>>>Helix-client-dev mailing list
>>>Helix-client-dev at helixcommunity.org
>>>http://lists.helixcommunity.org/mailman/listinfo/helix-client-dev
>>
>>
>





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