[mythtv-users] HDTV Streaming over Wireless

[Byron Miller]

Some new SOHO routers have QoS built in, you may be able to tweak this
to give more priority to your Mythtv traffic as well as scale the
frames & packets for best throughput.




On Thu, 24 Mar 2005 19:02:01 -0700, Blair <bpreston at collabras.com> wrote:
> 1080i wants, by definition, wants 19.2 Mbps to stream at full quality.  A G
> radio (54mbps) does fine with a single stream but multiple clients tend to
> cause studdering or in some cases, stream loss if the additional client(s)
> are moving a lot of data.  Keep in mind that a G radio will only actually
> deliver, at best, 80% of bandwidth but that is if you have but a single
> client.  It's a shared (contention based) media (think in terms of a hub as
> opposed to a switch), with multiple clients you'll be lucky to get 65%.  Also
> make sure that the AP is not set up in mixed mode, that it will only accept G
> Clients.  Otherwise a B client might attached and dump your AP down to 11Mbps
> (6 Mbps in reality).  Wireless also has some additional overhead for
> maintaining the RF space but setting the ring buffer values up a bit has
> compensated for that quite well.   I don't know if myth can down convert the
> streams to allow greater client densities as I haven't looked into that, but
> I do stream to a single client with 1080i just fine.
> 
> -Blair
> 
> On Thursday 24 March 2005 16:46, Richard J. Sears wrote:
> > Does anyone know the bandwidth requirement for streaming HDTV signals
> > from the backend to a frontend..? I have a 54mb wireless connection to
> > one area I plan on putting in a front end and want to know if I it is
> > capable of doing that..?
> >
> > How about regualr 1080i DVD's and normal cable..?
> >
> > Thanks
> >
> > ******************************************
> > Richard J. Sears
> > Vice President
> > American Internet Services
> > ----------------------------------------------------
> > rsears at adnc.com
> > http://www.adnc.com
> > ----------------------------------------------------
> > 858.576.4272 - Phone
> > 858.427.2401 - Fax
> > INOC-DBA - 6130
> > ----------------------------------------------------
> >
> > I fly because it releases my mind
> > from the tyranny of petty things . .
> >
> >
> > "Work like you don't need the money, love like you've
> > never been hurt and dance like you do when nobody's
> > watching."
> 
> --
> -Blair Preston
> Principle Systems Architect
> 
> "The best way to predict the future, is to invent it"
> -Alan Kay
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