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HDV oder DV Aufnehmen wenn ausgabe 720x576

HDV or DV recording when output 720x576



Frage von ferry73:
November 2008

hello, how you made the title should already know I am the encoding may be necessary.
I always take in HDV 1080i on, but I always in the format of 720x576er and burn them on dvd.
the encode and burn a 1 hour of recording with small effects will take at least 3 hrs. (including firing).

I have the same quality if I record directly sd 720x576?
'm ignorant .......
thanks in advance for your help

many grüsse



Antwort von Lutz Dieckmann:

Hi,

no, you have not. Something that is recorded in HD, looks (in my experience) synonymous with SD better. Have several DVDs with it and the result speaks for itself.
Moreover, the editing with effects easier or better because the images are clearer and sharper. I take everything in at 720/25p, my favorite format.

Many greetings

Lutz



Antwort von WoWu:

@ Ferry73

It is always important, whether you know it with an SD with a HD Camera aufnimmst, or with an SD camera.
Compared with an SD camera sees the signal, as long as you do not have a (analog) TV tube givest again, stronger, yet synonymous slightly depending on how much bandwidth your DVD player allows.
Basically, you can however, about 7 MHz bandwidth advantage over the analog path of 5 MHz.
The SD cameras (and above all the Lenses) are only designed for 5 MHz and the Resolutionfällt to avoid artifacts of synonymous fairly quickly.
Not so with HD cameras, of course, for much higher frequencies and thus are designed to the highest frequency of SD may represent much linear.
Now to change .... You have two options, either in the camera, or later in the NLE.
If you are not the material again later in HD need, recommended the change in the Camera.
It is in fact the data reduction, mostly in 4:2:2 color made and only then in the coding of high quality and mostly uses the camera signal adapted algorithms.
Are you the change in the NLE, you have all the artifacts from the coding already in the Picture and synonymous only the 4:2:0 sub-sampling.
(Do not you persuade, HDSD of the conversion would have you again afterwards 4:2:2 that is nonsense ...)
Then you have the picture again in MPEG2 encoding and in the cascading of new, more artifacts.

The images are still better than with an SD camera, but the transformation of data reduction and the subsequent original coding usually leads to better results under retention of HD on the optical Kameravorzüge Page.
Think you need to just whether the material you really do not someday in HD need.









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