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MPEG2 oder AVI

MPEG2 or AVI



Frage von Alfi:
November 2006

no experience and good looking camcorder, widely read and
1. Mini DV CAM kompremieren not, therefore, better picture quality than the other Cam (eg MPEG 2), agrees that even possible?
2. If you anyway recordings of mini DV to DVD later, is the quality later on DVD can not be compared with the recordings, which is available with DVD-Cam records.
3. Harddisks Cam, DVD and Memory Card Cam Cam all kompremieren (MPEG 2 or MPEG 4), the difference is just the storage media or the quality of the images differs synonymous.
Thank you for your reply.



Antwort von Jan:

1. MiniDV compression factor of 5:1 with already, but as with any Picture, the full information is stored, it is an advantage, which is synonymous higher data rate 25 MBit / sec.

2. As you can probably argue, a painstaking film will say:

"Take with a consistently high data rate to compress and then according to your wishes with MPEG-2 into a desired data rate constant. Standard Definition DVD / HD / SD camcorder draw in the best case with 9.5 MBit / sec and on the fluctuating part, many users filming not with the data but are at 5 Mbit / sec and less (Most DVD camcorder to film with the 30 min DVD - but the best quality with this DVD to get 20 minutes playing time - not 30 min), when taking pictures with many details and or faster the camera pans gives us jerky pictures or picture errors "

3. Depending on the model differently, a film with the data of others with less, in total, they have purely theoretically, but no chance against MiniDV. Panasonic gets the zb with their MPEG 2 engine out quite well, with smaller data rate is a good picture to show (SDR S 100 / 150) but of what Samsung / Sanyo / cheap JVC HDs can not say.

VG
Jan




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