New Zealand Freeview | HD Guide (DTT/DVB-T)

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#113943 1-Mar-2008 13:45

I'm seeing some jerkiness with the TV3 feed and to be honest hadn't really bothered looking at their old CSI loop.

It's not an issue with CPU usage as that's very low so must be some sort of problem somewhere else.

cranz

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#113988 1-Mar-2008 18:25

I just got my hands on a Geforce 9600 GT which decodes h.264 on the GPU (PureVideo HD) and chucked it in my mediabox, no more stuttering on TV3 or any glitches at all, no lag, no dropped frames or little random boxes everywhere. Loving my new toy ;) Watching TV3 stream at the moment and its using 1-2% CPU for DVBViewer

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#113989 1-Mar-2008 18:27

Is there a specific NVIDIA codec you have to use then or just any codec that supports hardware acceleration?

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cranz

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#114001 1-Mar-2008 20:00

Using PowerDVD Ultra 7 to decode, if you open PowerDVD and goto options you can turn on PureVideo HD (nvidia) and AVIVO (ATI) acceleration which will use the GPU instead. I'm assuming if I tell MediaPortal to use PowerDVD it will do the same. Cyberlink PowerCinema also works with GPU decoding (also supports HE-AAC now)

I've noticed also that TVNZ channels with HE-AAC sound quite a lot worse than C4 and TV3, anyone else noticed this? I've actually forced it to ignore the AAC PID and to use AC3 for TVNZ as it sounds awful on my setup

allstarnz

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#114026 2-Mar-2008 00:44

actually despite the messages on here that most places are going live already, TVNZ seems to have turned off their test signal at Wharite. I did a scan today and got nothing at all.

Fossie

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#114027 2-Mar-2008 01:17

Picking everything up in Dunedn now, Have updated the front page. Went from having terrible Tv 1 analogue and no tv 2 analogue to having upscaled 720p. Nice upgrade I think...

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MattD

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#114045 2-Mar-2008 07:04

Fossie: Never? I can't see it happening soon. It can barely support the 720p feeds. The 576i feeds crash it. The screen shots of tv one and tv two upscaled were taken from eyetv.

Is this more about NZ DTT transmission and encoding? Find it hard to accept that EyeTV works throughout Europe and in Australia, yet NZ have to rock the boat.

wazza15

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#114049 2-Mar-2008 08:47

hi, does anybody have a copy of the trial version of cyberlink pro 7 with the h.264 codecs i could use?

thanks

sbiddle

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#114057 2-Mar-2008 09:31

MattD:
Fossie: Never? I can't see it happening soon. It can barely support the 720p feeds. The 576i feeds crash it. The screen shots of tv one and tv two upscaled were taken from eyetv.

Is this more about NZ DTT transmission and encoding? Find it hard to accept that EyeTV works throughout Europe and in Australia, yet NZ have to rock the boat.

I wouldn't say we're rocking the boat - we simply have a better boat than everybody else.

NZ has gone down the path of using H.264 for video and AAC for audio, both of which are superior to the MPEG2 that all countries initially used for their DVB-T broadcasts. Norway has already deployed H.264 and several other European countries have test networks or plan to roll out H.264.

We've got a far superior network than the likes of Australia and the UK who would love to move to H.264 but can't easily do so. Australia's DVB-T network is a bit of a joke and is very much a DIY hacked network that they will be stuck with for a long long time.

Developers just need to include support for the new standards and many are doing that. GB-PVR works, Media Portal has beta versions that work, MythTV has versions that work and even Microsoft are supposodly targetting a release an upgrade for Vista MCE that includes H.264 support. The developers of EyeTV obviously need to do the same thing.

lchiu7

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#114059 2-Mar-2008 10:01

sbiddle: ...

Developers just need to include support for the new standards and many are doing that. GB-PVR works..

Just to clarify. Can gbpvr work under XP with say a HVR-3000 card and a video card that has hardware support for H.264 decompression? If that is the case then I will be motivated to install my HVR-3000 and Sapphire video card.

Staying in Wellington. Check out my AirBnB in the Wellington CBD. https://www.airbnb.co.nz/h/wellycbd PM me and mention GZ to get a 15% discount and no AirBnB charges.

Fossie

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#114072 2-Mar-2008 11:00

Wow, im getting DD 5.1 on tv 1 and tv 2 :o

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#114080 2-Mar-2008 11:26

TV3 is live at the moment too.

sbiddle

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#114081 2-Mar-2008 11:37

lchiu7:
sbiddle: ...

Developers just need to include support for the new standards and many are doing that. GB-PVR works..

Just to clarify. Can gbpvr work under XP with say a HVR-3000 card and a video card that has hardware support for H.264 decompression? If that is the case then I will be motivated to install my HVR-3000 and Sapphire video card.

You would be best to post on the gbpvr forums.

phatbloke

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#114084 2-Mar-2008 12:00

Just a quick comment, DVB-T its pretty much working on the latest SVN of Mediaportal with TV Server now. Its a little buggy as the sound doesnt work 100% of the time but its getting very close.

MattD

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#114112 2-Mar-2008 14:03

sbiddle:

I wouldn't say we're rocking the boat - we simply have a better boat than everybody else.

NZ has gone down the path of using H.264 for video and AAC for audio, both of which are superior to the MPEG2 that all countries initially used for their DVB-T broadcasts. Norway has already deployed H.264 and several other European countries have test networks or plan to roll out H.264.

That's good news in some respects (yet also not so great news). Being a late adopter often means then you get to implement more mature and newer technologies.

Hopefully it will be just a software decoder update and not the hardware.

When we were planning on coming to NZ, we were miffed to hear that decision was made to roll out DVB-S and not DVB-T. Thought all our equipment would then be redundant. (set-top boxes and two EyeTV devices)

Then it was announced quickly later that it was going to be Sat nationwide, and Terrestrial in major cities....

When arrived here to find out that the rollout was still 18mths away for DVB-T. Now it may be even longer for EyeTV support. Should have sold the devices there and then. At least the EyeTV hybrid has been useful to capturing analog sources (eg MySky output)

I hear the beta testing in Norway was delayed for EyeTV... will wait and see.

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