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MPEG Artefakte bei HDV Kameras

MPEG artifacts in HDV cameras



Frage von hobbycut:
August 2007

Hello,

in the new Camera Ueberlegegung what it should look, I obviously synonymous numerous movies test the Canon HV20 and SonyHC7 in the network - after test reports are not everything ;-)

My impression when viewing this movie swings between enthusiasm for color and sharpness and bright dismay over the inevitable MPEG artifacts in HDV "in full splendor" of course will be particularly visible at slightly blurred images.

Should I conclude that the only HDV camera from the tripod to use are? Where is the "bad" boundary where artifacts are no longer so clearly noticed?

There are many such synonymous movies that are not already Rohaufnahmen but edited, cut and probably umcodiert. Often these images appear calmer. Can MPEG artifacts really something wegbügeln via software?

Thank Hobbycut



Antwort von sammy:

what do you do with mpeg artifacts?
bitte poste mal ein bildausschnitt it.
gruß cj



Antwort von hobbycut:

I mean of course the motion * * artifacts. MPEG and any derivatives thereof do not store any continuous frames but only differences, of moving images leads to distortions. Google came to "MPEG"!

The question is how strong are motion artifacts in HDV cameras?








Antwort von sammy:

The problems of you are not with HDV cameras of the newer generation, provided the Autofocus reacts quickly enough, not as lame as the heavily advertised JVC Full HD GZ-HD7. With my HDR-HC3 pans do I just like to DV times.

What you do as with consumption is safe for you because you only interlaced instead deinterlaced this material on the PC monitor play.

Point it out so a file with "consumption" here, I analyze it and then give you notice.



Antwort von sammy:

ok,
yes this is with the recording of the gop mpeg / AVCHD procedure
and especially in the auto sector telecharger together.
this works only if reasonably object or camera
move since then i frames between different points
be focused and intermediate (blurred) is averaged.
correct problems with sharpness probably have to pump the a1/hv20/hv10
s.der HC3 falls during play s.tv not only when
one frame as the building material watches.
gruß cj



Antwort von hobbycut:

Hmm, yes it could be synonymous De-interlacing effects, but so much? An example is the bridge with a host HV20 here:

http://www.canonhv20.com/canon-hv20-footage.php

Good test because quite blurred and many linear structures.

Ich schau's mir mal tonight on a TV monitor.

Thank Hobbycut



Antwort von sammy:

You have there a File:

MPEG2 Video 1440x1080 (16:9) 29.97fps 25000Kbps

Have on your HDTV 1080/60i switch.

I only see motion blur.

The recording itself is in all its guns, have quiet times to learn to make shots, but did OIS and body tripods are synonymous.




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