TV signals over LAN..

[Tony]

Archived from groups: alt.internet.wireless (More info?)

Hi all,

I was wondering if anyone out there know of a solution to send TV-signals
from a video, satellite receiver or DVD player over a wireless network.

WHat I was hoping of finding was some sort of adapter that would for
instance connect to my DVD in the living room, and send these signal via my
home network to my pc..
Is this possible?

Regards,
Tony

 

[Guest]

Archived from groups: alt.internet.wireless (More info?)

You could just set a wireless network cam that has sound on a tripod in
front of your tv.
frames nicely with a varifocal lens w/polarized filter .

 

[Guest]

Archived from groups: alt.internet.wireless (More info?)

In article <mirxc.7323$RL3.120659@news2.e.nsc.no>,
Tony <frosties@tiscali.no(X)> wrote:
:I was wondering if anyone out there know of a solution to send TV-signals
:from a video, satellite receiver or DVD player over a wireless network.

:WHat I was hoping of finding was some sort of adapter that would for
:instance connect to my DVD in the living room, and send these signal via my
:home network to my pc..
:Is this possible?

Now let's see..

DVD, so call it 600 x 500 resolution (close enough.) DVD is known for
the rich colour, so suppose 16 bits per compression (should probably
be 24 for this calculation.) That's 600,000 bytes of data to transfer per
frame, and it should go at 30 frames per second (if not higher.)
That makes 17 or so megabytes per second of data transfer, which is
within the limit of a -good- 802.11b system.

So perhaps not impossible (but I don't know anyone doing it.)

If you were going to do this, you'd probably want a device in the
middle that did something like JPEG2 compression/decompression
to reduce the data volume.
--
Feep if you love VT-52's.

 

[beretta]

Archived from groups: alt.internet.wireless (More info?)

On 9 Jun 2004 00:09:25 GMT, roberson@ibd.nrc-cnrc.gc.ca (Walter Roberson) wrote:

<snip>
>That makes 17 or so megabytes per second of data transfer, which is
>within the limit of a -good- 802.11b system.
>
<snip>

Say huh?!? 802.11b is 11megaBITS per second, not BYTES. Either way, 17 megabytes
per second would exceed 802.11b's capacity.

 

[Guest]

Archived from groups: alt.internet.wireless (More info?)

"Beretta" <invalid@invalid.org> wrote in message
news:rq8dc01r8ludful9ua6lm6roolufaadvhn@4ax.com...
> On 9 Jun 2004 00:09:25 GMT, roberson@ibd.nrc-cnrc.gc.ca (Walter Roberson)
wrote:
>
> <snip>
> >That makes 17 or so megabytes per second of data transfer, which is
> >within the limit of a -good- 802.11b system.
> >
> <snip>
>
> Say huh?!? 802.11b is 11megaBITS per second, not BYTES. Either way, 17
megabytes
> per second would exceed 802.11b's capacity.

There again, the "normal" way of displaying TV signals on a PC is by using
some sort of WINTV card or PVR ... these usually have inputs for Composite
in and audio...

There are wireless links for TV and audio (Video Senders) which connect to
your VCR/ DVD via Composite or SCART, and deliver the signal over the
wireless to the sister unit which outputs the signal as Composite / SCART
.... I can see no reason why this should not be connected to your PC TV
input...

Not sure what the quality would be like mind ..

Interesting that the Video Sender is essentially an analogue device ....
maybe digital just cannot hack it when it comes to large bandwidth...


John

 

[Tony]

Archived from groups: alt.internet.wireless (More info?)

"John Beeston" <john.Beeston@talk21.com> wrote in message
news:aczxc.12739$NK4.1802714@stones.force9.net...
>
> "Beretta" <invalid@invalid.org> wrote in message
> news:rq8dc01r8ludful9ua6lm6roolufaadvhn@4ax.com...
> > On 9 Jun 2004 00:09:25 GMT, roberson@ibd.nrc-cnrc.gc.ca (Walter
Roberson)
> wrote:
> >
> > <snip>
> > >That makes 17 or so megabytes per second of data transfer, which is
> > >within the limit of a -good- 802.11b system.
> > >
> > <snip>
> >
> > Say huh?!? 802.11b is 11megaBITS per second, not BYTES. Either way, 17
> megabytes
> > per second would exceed 802.11b's capacity.
>
> There again, the "normal" way of displaying TV signals on a PC is by using
> some sort of WINTV card or PVR ... these usually have inputs for Composite
> in and audio...
>
> There are wireless links for TV and audio (Video Senders) which connect to
> your VCR/ DVD via Composite or SCART, and deliver the signal over the
> wireless to the sister unit which outputs the signal as Composite / SCART
> ... I can see no reason why this should not be connected to your PC TV
> input...
>
> Not sure what the quality would be like mind ..
>
> Interesting that the Video Sender is essentially an analogue device ....
> maybe digital just cannot hack it when it comes to large bandwidth...

It's the quality I'm worried about. And since I already have a wireless
network at home it would be sweet to be able to use that. I've check around
on the net, and found that Trust have a unit as you describe above. It lets
you connect via scart to the DVD, satellite or whatever, and send to another
unit. I think I'll try this and see if it does the job. It says the range is
100m free line of sight, but when there are two or three walls blocking the
signal I wonder how it will hold up. Also, perhaps the already existing
wireless network in the house will interfere? Anyone know anythink about
that??

Tony