hd dvd space

[john_1958]

Anyone know how many minutes space does HD take up on DVD?

[MozartMan]

Originally Posted by john_1958

Anyone know how many minutes space does HD take up on DVD?

It will depend on bitrate. Max file size will always be at 4.7 GB for SL or 8.5 GB for DL.

What type of HD are you talking about?

Is it HDV at 25Mbit/s CBR?
Is it HDTV at 19Mbit/s max VBR?

I have Sony HDV camcorder and when I capture one hour tape to my PC the file size is about 12+ GB. So, I can fit about 20 minutes on SL DVD or 40 minutes on DL DVD.

I also recorded a bunch of movies from HBO-HD. Some movies are under 8.5 GB and will fit on DL DVD.

[phloyd]

Roughly 35 minutes of ATSC rate data depending on how it is packaged.

I can fit a 1/2 hour TV show on a single sided disc no problem in HD DVD or BD format. Though that is 20-24 mins and max rate 19.4 Mbps.

[dantruon]

there is no point putting HD media onto dvd since the dvd player cant read pas 10Mb/s.

[phloyd]

Actually both the Toshiba A1 and the Panasonic BD player can read ATSC data rates of a DVDR disc that is correctly formatted without any issues.

[MozartMan]

Ditto for PS3.

[phloyd]

I would be interested if it does work with the PS3 since my tests have shown that it does not (it sees the disc as a data disc and shows me the directories of the BD image, with no 'playable' files in them...)

[pretender2j]

Originally Posted by phloyd

I would be interested if it does work with the PS3 since my tests have shown that it does not (it sees the disc as a data disc and shows me the directories of the BD image, with no 'playable' files in them...)

I'm sure you already know this but I feel I must remind you that all a DVD, HD-DVD, or Blu-ray are is data files on a disc.

[phloyd]

Of course, but what is most important is if the player in question will play the files or not.

In my test, the PS3 opted to not recognise and play the m2ts files.

[takezo]

Originally Posted by dantruon

there is no point putting HD media onto dvd since the dvd player cant read pas 10Mb/s.

Huh, the question is how long he duration of an HD video can you make on the DVD medium. Obviously for play back on a PC. However there are rare DVD players that have Divx Ultra capabilities, which can play HD encoded Divx video files, though it must conform to Divx Ultra specifications, which does not give much flexability. In other words you can't just burn any old HD divx file on to a data disk and hope it will play it. You most likely have to re-encode it to Divx Ultra specs.

If you are good at encoding video, You can compress a DVD 5 movies, at near source quality in a file that is 1.5GB using Divx or Xvid (you could compress it to fit a CD but then you will loose a lot in quality). Thats a compression of 3:1. Not bad.

Using this logic you should fit a 15GB Mpeg 2 HD movie. (broadcasted HD content is Mpeg 2)

, via mpeg 4 compression on a DVD9. Just note that Hd movies on disk are being encoded using mpeg 4 technology (BD movies use Mpeg 2, but AVC seems to becoming more common, and just may relpace mpeg 2 on BD), which make it more difficult to compress without loosing major detail.

[javayoda]

You can use the wizard in VideoLan to 'repackage' a TS file as a MPG ps stream (no re-encoding so it's very fast). The resulting MPG plays just fine on the PS3 if burned to a DVD ROM. Most movies will fit on a dual-layer DVD+R.

The one drawback is that the Dolby Digital soundtrack is currently played back in stereo - there are rumors this will eventually be fixed.

[takezo]

Originally Posted by pretender2j

I'm sure you already know this but I feel I must remind you that all a DVD, HD-DVD, or Blu-ray are is data files on a disc.

contraire

Data files are stored on optical media sure but in waht format?

ISO?
UDF?

These are the common file formats for optical media when using as a data disc. Like when you burn MP3s, AVIs, and MP4s to a disk.

However video discs are diffrent. Such as DVD-video. DVD-video data is normaly unreadable to a PC unless you have a DVD play back software or codec installed (windows media player can playback DVDs with proper codec installed. most retail PCs "DELL, HP, Sony, etc.." already come with one preloaded. In order to ripp a movie off a DVD you use a program such as DVD Decrypter to extract data an place them into vob files (you can ajust the size of the vobfiles to chapters and even episode if your riping a anime or TV series of DVD.)

HD-DVD and Blu-ray movie discs are the same, but each have totaly different data structures. This is why people use authoring programs to make video disc to be played on a stand alone player, you can just throw an MP4 file on an ISO and expect it to play.

BTW HD files are huge, a good quality HD AVC MP4 is goona be larger than 6GB. Repackaginge a TS file to MPEG 2 is a good idea for Standard Def TV and you got TIVO, and if you are Burining a HD Mpeg 2 video on to a Blu-ray media. But majorty of people don't have Blu-ray burners, thus even after you repackage a 15GB HD TS file you would still need to re encode it to Standard Def to fit on a DVD via mpeg2, but if your going to do that might as well encode it to HD AVC MP4