RE: Audio & video distribution

[Phil Harris]

You only need one transmitter but need to take the termination resistors
out
of each receiver *EXCEPT* for the last one in the chain ... think of it
like
SCSI.

Cheers

Phil

By the way ... Keith ran me up a KAT5 "special" for component
video for
feeding my CRT projector (£12.5k when new) and it is ruddy brilliant!

Oh yeah Keith ... can you give me a shout when you have an S-Video + stereo
audio tx/rx pair available that I can buy from you?



> -----Original Message-----
> From: <a
href="/group/kat5-users/post?postID=zEojhpWGr2VMzxP_nP63e5EnxDLKtLKNaUlqnBB1mhMP688mmASKAl5Kl-TXNRkulYIbrHMLV8lGrqOnuw">nickt@t...</a>
[mailto:<a
href="/group/kat5-users/post?postID=zEojhpWGr2VMzxP_nP63e5EnxDLKtLKNaUlqnBB1mhMP688mmASKAl5Kl-TXNRkulYIbrHMLV8lGrqOnuw">nickt@t...</a>]
> Sent: 24 May 2001 11:19
> To: <a
href="/group/kat5-users/post?postID=J6qgQUZBRWNIs8TqlJcba5gALXpuyarc9fiD4lDxQFck_RyeTAFE61D8rjzrdBRFhlUyVwQsjFWeEd-SnKSes6Y">kat5-users@xxxxxxx</a>
> Subject: Re: [KAT5] Audio &amp; video distribution
>
>
> Thanks for prompt response Keith.
> Where I am at present is the final stages (weeks) of my house
> restoration &amp; the planning stages for HA etc - I will get you
to
> supply some units so I can start playing (I also need to prove to my
> partner that the 60 CAT5's dropping into the cellar will have some
> use!).
> WRT daisy chaining - will I need 1 transmitter for each receiver, or
> 1 transmitter for the chain and a receiver for each viewing/listening
> point? IE is the video setup a) source - tx - rx - TV - tx - rx - TV -
> etc
> or b) source - tx - rx - TV - rx - TV - rx - TV - etc. c) For audio
> only could I not just go source - tx - {multiple CAT5's in a star} -
> {(rx - Amp - speakers)in each listening point} ?
>
> I'd have thought there's bound to be distortion/degradation if
> multiple tx - rx conversions of the same signal were necessary, but
> maybe it's not perceivable.
>
> Getting myself in knots - I guess once I have some units things will
> become clearer.
>
> Keep up the good work though Keith.
>
> Regds
>
> Nick
>
>
> --- In kat5-users@y..., "Keith Doxey"
<kat5.diyha@b...> wrote:
> > Hi Nick,
> >
> > Welcome to the KAT5 list.
> >
> > The existing modules can be used for audio only if you wish. A
KAT5
> AV
> > switcher is in the pipeline which can select from any of several
> sources. I
> > am also working on adding Remote control to the existing S-Video
> units.
> >
> > KAT5 was originally designed as a point to point link but I am
now
> able to
> > daisy chain the units. If your house is already star wired you
just
> use 2
> > cables to each room, 1 to take the signal there and one to bring
it
> back to
> > send to the next room.
> >
> > Source-0-A-0-B-C-0-D etc where "0" is your patch panel
at node 0.
> >
> > When the switcher is available you will only need one cable to
each
> room.
> >
> > Source1 - S - Room1
> > Source2 - W - Room2
> > Source3 - I - Room3
> > Source4 - T - Room4
> > Source5 - C - Room5
> > Source6 - H - Room6
> > Source7 - E - Room7
> > Source8 - R - Room8
> >
> > Where the switcher is located either at Node 0 or in you AV rack
if
> that is
> > where all the sources are. In that case you would need a lot of
> cables from
> > AV Node to Node 0 to distribute to the rest of the house.
> >
> > When the MCA unit is ready you could send 2 stereo signals to
each
> room and
> > feed them into different inputs on your amp however I would
> recommend taking
> > the S-Video+Stereo route as you (or the family) will eventually
> want PC
> > based video recorder, TiVo, Digibox, OnDigital etc distributed
> around the
> > house. Mark McCall is already doing this with Showshifter.
> >
> > If you want to do Video and Audio distribution at the same time
you
> will
> > need 2 distribution setups but doing one or the other could be
done
> over a
> > single distribution channel.
> >
> > Any units you get now will be compatable with the switcher when
it
> is ready.
> >
> > Basically KAT5 carries 4 circuits and can be custom built to any
> mix of
> > Audio/Video in either direction so you could have a unit to send
> and receive
> > stereo if you wanted.....at a price :-)
> >
> > I would seriously consider getting the standard S-Video + Stereo
> modules as
> > it will enable you to carry video in the future. It neednt be
video
> > connected to the audio, it could be HA information from your PC,
> CCTV
> > distribution etc. What about if you buy a DVD Jukebox, you will
> need the
> > video distribution then.
> >
> > Hope that answers a few questions
> >
> > Keith
> >
> >
> >
> > > -----Original Message-----
> > > From: nickt@t... [mailto:nickt@t...]
> > > Sent: 23 May 2001 14:52
> > > To: kat5-users@y...
> > > Subject: [KAT5] Audio &amp; video distribution
> > >
> > >
> > > A few questions -
> > >
> > > I'm predominantly interested in putting together a
multi-room
> audio
> > > system across my CAT5 cabling, I have rather less interest
in
> video
> > > distribution (though my kids will not share this view and it
might
> > > prove cost-effective!).
> > >
> > > The Linn Knekt system would seem to be the Rolls Royce
option (at
> RR
> > > prices!) - will KAT5 enable me to do something similar
though? I
> > > appreciate that I'll probably need to wait till Keith offers
the
> MCA
> > > modules, but I'd like to be able to play CD's from a single
> jukebox
> > > in any room of the house (obviously only 1 CD plays at any
one
> time).
> > > Maybe if I get a top quality tuner I'll distribute radio as
well.
> > >
> > > Will a single KAT5 transmitter will put a usable stereo
audio
> signal
> > > onto many separate CAT5 cables? If I use KAT5 receivers on
these
> > > cables in every room, will I be able to have music in more
than 1
> > > room at a time? Will it send stereo signals from 2 sources
(CD &amp;
> > > Radio) over a single CAT5 cable? How might one handle remote
> control
> > > economically (either over CAT5 or other method)?
> > >
> > > On the video distribution front, I assume the above will not
work
> as
> > > well simultaneously, but will I be able to distribute video
over
> the
> > > cabling and watch from a TV any point (ideally not needing
to
> ensure
> > > that my RJ45 leads are unplugged in all the rooms I'm not
using
> the
> > > video signal)? Remote control issues remain the same I
assume -
> again
> > > any suggestions welcomed?
> > >
> > > Answers/comments/hints all gratefully received.
> > >
> > > Thanks
> > >
> > > Nick
> > >
> > >
> > >
> > >
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