high defintion vs standard definition

[kristian]

i think XDCAM is 1920x1080 or 1440x1080

HDCAM SR is 1920x1080.

 

[crapex]

Hi Crapex. Your post is not so accurate. Hope you don't mind my comments.



SD covers all standard definition video, and can be recorded on VHS, Betacam, DV, miniDV etc etc. I think you mean DV format SD.



HD also comes in different formats. For example, there are several AVCHD camcorders around that record in 1920x1280. They are using HDD or a more up-to-date type of flash memory, not P2.

Yes you can output to HDDVD or Blueray, but sadly at the moment, most people are probably downconverting to SD DVD for distribution, or uploading HD video to sites like VIMEO. The HD disc players (and recorders) need to come down a lot in price before they will catch on.



"lines running across" is not "layman terms", it's just wrong. Interlaced video should not have lines running across if your workflow is correct. And whether progressive is "better" depends on the footage and the intended production. 25p does not capture fast motion as well as 50i, and does not handle slo-mo well either. Of course 50p is another subject, but so far not many affordable cameras can shoot 50p.

thankks for enlightening ahahx!

 

[magicdragon]

Am I correct in understanding that if I bought a Canon HV20 and edit the footage in iMovie HD (ie ver. 5.0.1) and burned my DVD+R using iDVD I will not get High Definition because of the following reasons:

1) The Canon HV-20 cannot record in FULL high definition
2) You cant even burn the semi-high definition output from the Canon HV-20 to a DVD as DVD players do not play back in FULL high definition?

I sure I did not understand this correctly so please do correct me. I'm a newbie to videography.

 

[jaegersing]

High definition covers several different resolutions, don't get hung up on "FULL" because it's really just a marketing term. The reason you won't get a high definition DVD from your proposed workflow is simply that the DVD format only supports standard definition.

The HV20 will allow you to create HD clips for viewing on a computer, and the results can be excellent if shot and edited well.

 

[magicdragon]

jaegersing,

Thanks that clears things up a whole lot for me.

 

[lwm]

You can store HD clips on a standard DVD and play through a player, e.g. Sony PS3 can play m2t files directly. There are also editing software that allows you to cut HD video onto standard DVD and playback on HD players.

 

[samvision]

You can store HD clips on a standard DVD and play through a player, e.g. Sony PS3 can play m2t files directly. There are also editing software that allows you to cut HD video onto standard DVD and playback on HD players.

agree. just make sure that its a short clip as normal dvd can store only 4.7gb.

 

[KCBox]

Last year I made a DVD+R edit using m2t files. Shooting on Fireworks at NDP'07. I capture m2t, edit m2t, export 1440 x 1080 and using Adobe encore CS to AUTHOR HDV.

 

[Pynch]

Simple terms:
HD = High Definition, capturing more resolution than SD (Full HD = 1920 x 1080 pixels)
SD = Standard Definition (720 x 576 pixels)

The difference depends on the output that we need, if in DVD i think practically can't see much of a difference cause we need to put it back to 720 x 576 pixels. But if output to computer, should be able to see much more details in HD.

If I capture video using SD miniDV at 720 x 576, and then backup onto the computer hard disk using 640 x 480 format in Window Movie Maker, will there be a significant difference in quality when the 640 x 480 file is eventually burned to a DVD? I noticed that saving the miniDV at the native 720 x 576 at 25fps need approx. 10GB of disk space for 1 hour DV recording.

Or would it be better to directly transfer the miniDV file to a DVD? If so, what is the resolution? A DVD only has 4.7GB of capacity, and obviously can't store the 10GB required.

 

[jaegersing]

If I capture video using SD miniDV at 720 x 576, and then backup onto the computer hard disk using 640 x 480 format in Window Movie Maker, will there be a significant difference in quality when the 640 x 480 file is eventually burned to a DVD? I noticed that saving the miniDV at the native 720 x 576 at 25fps need approx. 10GB of disk space for 1 hour DV recording.

Or would it be better to directly transfer the miniDV file to a DVD? If so, what is the resolution? A DVD only has 4.7GB of capacity, and obviously can't store the 10GB required.

DVD resolution is 720x576, same as DV, but DVD uses MPEG2 compression to make the data rate lower, therefore file size is smaller. Quality will be much better if you go directly from DV file to DVD-format MPEG2 because (i) there is no scaling of the video (at the moment, you are scaling from 720x576 to 640x480 then back to 720x576) and (ii) there is only one compression step (DV to MPEG2, rather than DV to whatever MM is using, then finally to MPEG2).

DV file size is around 13GB for one hour. If you compress to DVD MPEG2 at 8Mbps data rate you will get a video file size of around 3.5GB and PCM audio of 660MB. These will fit on a single DVD no problem. And if you use MPEG1 layer 2 or Dolby AC3 audio instead of PCM, the audio file size will be even smaller. You need to check your encoding and DVD authoring program to see what formats it can take.

 

[KCBox]

DV file size is around 13GB for one hour. If you compress to DVD MPEG2 at 8Mbps data rate you will get a video file size of around 3.5GB and PCM audio of 660MB. These will fit on a single DVD no problem. And if you use MPEG1 layer 2 or Dolby AC3 audio instead of PCM, the audio file size will be even smaller. You need to check your encoding and DVD authoring program to see what formats it can take.

jaegersing is correct.

Remeber always keep in 720x576 PAL screen size. AC3 Dolby Digaital is a must for author the final DVD. It will gave more space for DVD-+R 4.7GB. Keep in High Resolution as the DV size. Check your dvd Authoring program, what kind of setting it had :thumbsup: