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DIY DVR Recording 6 whole DTT multiplexes simulltaneously?



 
 
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  #1  
Old July 15th 05, 07:09 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Adrian C
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Posts: 242
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

What a challenge. Imagine being able to turn on your TV, see something
that looked watchable, skip back to the start of it (or the last 30 mins
- depending on buffer disk space) - no matter what channel it was on?

How many DTT tuner cards can I cram in on a PC motherboard. Will it
work? I imagine size of hard drive is not an issue for this?

--
Adrian C
  #2  
Old July 15th 05, 07:14 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Ben
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Posts: 774
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Adrian C wrote:
What a challenge. Imagine being able to turn on your TV, see something
that looked watchable, skip back to the start of it (or the last 30 mins
- depending on buffer disk space) - no matter what channel it was on?

How many DTT tuner cards can I cram in on a PC motherboard. Will it
work?


I know the Nebula DigiTV card can record a whole multiplex. I've heard
of people having 2 of them in their PC, don't know if 6 is possible.

I imagine size of hard drive is not an issue for this?


Of course not. Why, you'd only be recording 144Mbps of data ;-)
  #3  
Old July 15th 05, 07:42 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Ben
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Posts: 774
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Ben wrote:
Adrian C wrote:

What a challenge. Imagine being able to turn on your TV, see something
that looked watchable, skip back to the start of it (or the last 30
mins - depending on buffer disk space) - no matter what channel it was
on?

How many DTT tuner cards can I cram in on a PC motherboard. Will it work?



I know the Nebula DigiTV card can record a whole multiplex. I've heard
of people having 2 of them in their PC, don't know if 6 is possible.

I imagine size of hard drive is not an issue for this?



Of course not. Why, you'd only be recording 144Mbps of data ;-)


Sarcasm aside, I've just noticed you were only interested in 30 minutes
or so of recording. At about 1GB per minute that would of course be
achievable.
  #4  
Old July 15th 05, 08:44 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Robert Wilson
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Posts: 20
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Ben wrote:
Adrian C wrote:

What a challenge. Imagine being able to turn on your TV, see something
that looked watchable, skip back to the start of it (or the last 30
mins - depending on buffer disk space) - no matter what channel it was
on?

How many DTT tuner cards can I cram in on a PC motherboard. Will it work?



I know the Nebula DigiTV card can record a whole multiplex. I've heard
of people having 2 of them in their PC, don't know if 6 is possible.

I imagine size of hard drive is not an issue for this?



Of course not. Why, you'd only be recording 144Mbps of data ;-)

If you look at the driver API C code that you can download from Nebula,
it states that the driver will manage a maximum of ten cards, or USB
devices.

Cheers,

Rob.
  #5  
Old July 15th 05, 10:12 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Adrian C
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Posts: 242
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Robert Wilson wrote:
If you look at the driver API C code that you can download from Nebula,
it states that the driver will manage a maximum of ten cards, or USB
devices.

Hmmm, this project is going to have to wait until the price of
dual-tuner DTT cards falls (six slot PCI motherboards are not common)
and a braver man than me figures out how to do full multiplex recording.
Though I suppose having two PCs is not out of the question. If someone
knows capabilities of other DTT cards that may fit the bill (preferably
in the land of linux and not rulling out USB 2.0 devices) than the
launch date may draw nearer.

--
Adrian C

  #6  
Old July 16th 05, 07:41 AM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Robert Wilson
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Posts: 20
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Adrian C wrote:
Robert Wilson wrote:

If you look at the driver API C code that you can download from
Nebula, it states that the driver will manage a maximum of ten cards,
or USB devices.

Hmmm, this project is going to have to wait until the price of
dual-tuner DTT cards falls (six slot PCI motherboards are not common)
and a braver man than me figures out how to do full multiplex recording.
Though I suppose having two PCs is not out of the question. If someone
knows capabilities of other DTT cards that may fit the bill (preferably
in the land of linux and not rulling out USB 2.0 devices) than the
launch date may draw nearer.

--
Adrian C

Well actually the 909 Hauppauge DVB-T card is supported by the 2.6.12
Linux kernel without patching. I am hoping to do a Linux DTTV server
based on the DVBstream package, and the LinuxTV system. I have a I have
a Debian system installing in the Garage; i'll keep you posted. I also
am under the impression that the WinXPMCE centric card is also supported
by 2.6.12. This has UFH in/out sockets.

Cheers,

Rob.
  #7  
Old July 16th 05, 12:10 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
spiney
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Posts: 85
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

But, what's the difference between doing that, and just "channel
hopping" on current broadcasts?

Usually, people only record a particular programme they're interested
in, that's the point of it!

  #8  
Old July 16th 05, 12:20 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Dave Fawthrop
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Posts: 6
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

On 16 Jul 2005 05:10:12 -0700, "spiney" wrote:

| But, what's the difference between doing that, and just "channel
| hopping" on current broadcasts?
|
| Usually, people only record a particular programme they're interested
| in, that's the point of it!

Competitive programming means that if there is something you find
interesting on one channel, there is also something on another. After days
of "nothing worth watching on TV" we often get a triple of once a quadruple
clash :-(

--
Dave Fawthrop dave hyphenologist co uk In Case of Emergency
Store the word "ICE" in your mobile phone address book, and
against it enter the number of the person you would want to be
contacted "In Case of Emergency". http://tinyurl.com/79lz9
  #9  
Old July 16th 05, 04:58 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Chris Croughton
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Posts: 121
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

On Sat, 16 Jul 2005 13:20:58 +0100, Dave Fawthrop
wrote:

On 16 Jul 2005 05:10:12 -0700, "spiney" wrote:

| But, what's the difference between doing that, and just "channel
| hopping" on current broadcasts?
|
| Usually, people only record a particular programme they're interested
| in, that's the point of it!

Competitive programming means that if there is something you find
interesting on one channel, there is also something on another. After days
of "nothing worth watching on TV" we often get a triple of once a quadruple
clash :-(


For example, I wanted to watch the first night of the Proms last night.
But I'm also recording a series, and it's on at the same time.

It's like buses. Nothing for hours and then 5 come along together
g...

Chris C
  #10  
Old July 18th 05, 05:50 PM posted to uk.tech.tv.video.pvr,uk.tech.digital-tv
Robert Wilson
external usenet poster
 
Posts: 20
Default DIY DVR Recording 6 whole DTT multiplexes simulltaneously?

Robert Wilson wrote:
Adrian C wrote:

Robert Wilson wrote:

If you look at the driver API C code that you can download from
Nebula, it states that the driver will manage a maximum of ten cards,
or USB devices.

Hmmm, this project is going to have to wait until the price of
dual-tuner DTT cards falls (six slot PCI motherboards are not common)
and a braver man than me figures out how to do full multiplex
recording. Though I suppose having two PCs is not out of the question.
If someone knows capabilities of other DTT cards that may fit the bill
(preferably in the land of linux and not rulling out USB 2.0 devices)
than the launch date may draw nearer.

--
Adrian C

Well actually the 909 Hauppauge DVB-T card is supported by the 2.6.12
Linux kernel without patching. I am hoping to do a Linux DTTV server
based on the DVBstream package, and the LinuxTV system. I have a I have
a Debian system installing in the Garage; i'll keep you posted. I also
am under the impression that the WinXPMCE centric card is also supported
by 2.6.12. This has UFH in/out sockets.

Cheers,

Rob.

Just been digging around the LinuxTV subsystem, and especially the
DVBStream package, and it appears that DVBStream will only support 4
cards, as in card 0-3. I have found another Linux based DVB Streamer,
called VLS (VideoLanStreamer) but have not done much research yet.

Cheers,

Rob.
 




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