Infoseite // Which codec is the best compromise



Frage von Pempi:


Moin
Yesterday I got the first little video of my new finished cut hc1, the only question now is - what codec?

The origins lie in the DV format files beretis before (for shits hdv from my computer: D)
Now yesterday I did once just for fun, the video in the default "WMV9 rendered 1024k download" and was really disappointed. not that I had expected that large, but this should not remain.

I really only ever been to wmv've rendered a few times now I would take what tips are there for a good alternative in which the quali remains somewhat preserved, but not file sizes grow to infinity ...
thanks;)

Space


Antwort von Martin:

"Pempi" wrote: I really only ever been to wmv've rendered a few times now I would take what tips are there for a good alternative in which the quali remains somewhat preserved, but not file sizes grow to infinity ...

How about with XVID? Is it under http://www.xvid.org free download and supports MPEG4. However, I do not know whether and how the codec handles with HDV footage.

Greeting
Martin

Space


Antwort von Nightfly!:

Moin moin!

The easiest way with DIVx (as is the total package: installation of video up), but qualitatively take xvid and divx not much.

Here are a few hints next

http://www.nickles.de/c/s/38-0032-451-1.htm

Greeting
Nightfly.

Space


Antwort von Markus:

Hello "Pempi"

DivX / Xvid is a good codec for data reduction, but before you send your videos to the digital nirvana, you should know the following ...

-> Problems with Soundtrack

What do you want to do with the video in the future? Each application has its own specifications and it is not always possible, any format from any kind of compression to produce.

Space


Antwort von Nightfly!:

"Pempi" wrote:
Yesterday I got the first little video of my new finished cut hc1, the only question now is - what codec?


Hello Pempi!

To complement and rough estimate:

DIVx (Xvid) is a good codec in terms of quality and compression. However, like most of MPEG4 codecs computationally very expensive. Ie If your calculator is too slow may occur asynchronously Sound and Picture. Today's DVD Player support DIVx (playback codec).
IMPORTANT however DIVx is UNFIT for EDITING.
So no archiving codec. (1 hour film 500-700 MB)

MPEG2 (DVD / SVCD) synonymous has a very good quality but the compression is worse / less than DIVx.
Today's DVD Players, of course, support MPEG2 (playback codec).
Again, for a FINISHING LESS LIKELY.
So no archiving codec. (1hr film 3-4,3 useful)

MJPEG possessing a very good quality. Compression is a little worse / less than MPEG2, however, this CODEC for NACHBERARBEITUNG LIKELY. (1 hour film, depending on the audio codec 3-6GB useful)
NO PLAY CODEC (running on separate players such as DVD Players nix)

DV CODEC is no longer on other media as a hard drive or tape archive (1 hour film about 10 GB). SUITABLE for NACHBERARBEITUNG.
NO PLAY CODEC (on separate players as DVD-Playerläuft nix)

Greeting
Nightfly

Space


Antwort von Markus:

Nightfly, which is a good overview! But I would not speak of worse, but of lesser compression. Otherwise, perhaps create the impression that a format with "better compression" is synonymous with improved quality. ;-)

Space


Antwort von Martin:

"Nightfly" wrote: DIVx (Xvid) is a good codec in terms of quality and compression. However, like most of MPEG4 codecs computationally very expensive. Ie If your calculator is too slow may occur asynchronously Sound and Picture. Today's DVD Player support DIVx (playback codec).
IMPORTANT however DIVx is UNFIT for EDITING.
So no archiving codec.


Hm, I will not leave uncommented so times. For asynchronous Picture and sound - that will possibly play a role in real time. But I'm assuming that first played the material in HDV on disk and then archived to be, otherwise I do not understand the question of the codec really. For rendering in offline mode, I see no synchronization problems.

Difference between DIVX and DIVX: DIVX is a commercial software, inst XVID "non-commercial" and more s.Standards oriented.

For it is synonymous XVID a "lossless" codec type, which should pose to the filing, at least from the point of optimum quality. And synonymous with "normal" code is valid for * any * MPEG codec (MPEG 2 or MPEG 4) that the images are smeared over several frames "and thus more difficult to edit.

Quote: MPEG2 (DVD / SVCD) synonymous has a very good quality but the compression is worse / less than DIVx.
Today's DVD Players, of course, support MPEG2 (playback codec).
Again, for a FINISHING LESS LIKELY.
So no archiving codec. (1hr film 3-4,3 useful)


MPEG 2 is, as far as I know, the "native" format of HDV. Today's DVD players support MPEG2, of course, limited only, that is only present in TV resolution. An HDV - video can not simply be burned to DVD and play on your DVD player.

"For the post less likely" - that would mean that HDV is suitable for the post less ...

Quote: DV CODEC is no longer on other media as a hard drive or tape archive (1 hour film about 10 GB). SUITABLE for NACHBERARBEITUNG.

Your DV codec can only encode video in 720x576, with HDV there is nothing. Moreover, I hope for the speedy release of the DVD successor, then I can finally synonymous my DV tapes to archive.

Greeting
Martin

Space


Antwort von jens:

"Martin" wrote: Moreover, I hope for the speedy release of the DVD successor, then I can finally synonymous my DV tapes to archive.


The question would be this, however, whether that is synonymous successors the right medium for long-term archiving ...
Keywords: durability.

Regards,
Jens

Space


Antwort von Martin:

"jens" wrote: "Martin" wrote: Moreover, I hope for the speedy release of the DVD successor, then I can finally synonymous my DV tapes to archive.


The question would be this, however, whether that is synonymous successors the right medium for long-term archiving ...
Keywords: durability.


The problem I do not really see - certainly there is a successor of Blue Ray or HD-DVD (or whatever synonymous always prevails), which I then comfortably after 5 years all the "old" tapes can be re-archive to learn more files simultaneously have access to. And then there is still the original band, finished out of the emergency laboratory evidence of any outrageously expensive copy on current media can ;-)

Greeting
Martin

Space



Space


Antwort von Nightfly!:

@ @ Martin and Pempi
"Pempi" wrote: ...
The origins lie in the DV format files beretis before (for shits hdv from my computer: D)
...


As far as I understood the initial article can "Pempi" raufspielen error on his calculator no HDV and thus not synonymous, and thus convert HDV HDV is not unlike using the archiving of the tapes SonyHC1.
Thus, for me, because Pempi DV only gets on his calculator, the resulting question as DV material, which he got on the calculator, in other archive can. This is the only material that comes in because of calculator can be converted to this.

Please! PEMPI correct me, if you had something else in mind. Otherwise, I hope that my little list will help you to make a decision.

Greeting, Nightfly.

Space


Antwort von jens:

"Martin" wrote: Certainly there is a successor of Blue Ray or HD-DVD (or whatever synonymous always prevails), which I then comfortably after 5 years all the "old" tapes can be re-archived

Good luck for
we 'can know s just not yet.
I understand you but already ;-)
Jens

Space


Antwort von Martin:

"Nightfly" wrote: As far as I understood the initial article can "Pempi" raufspielen error on his calculator no HDV and thus not synonymous, and thus convert HDV HDV is not unlike using the archiving of the tapes SonyHC1.

Oha, so there is the dog buried - I had understood it differently :-)

Then it should rather be solved the problem is that HDV is not getting to the calculator. My humble opinion is that if DV is via firewire, then goes synonymous HDV. This opinion is admittedly based only on the idea that DV and HDV are expected to record the same bit rates and therefore generate the same transmission via Firewire. Only one thing to be encoded as DV, the other MPEG2. Two streams of comparable rate would need to decode without the "live", can capture to disk. If you can not, is not s.der's more computing power of PCs.

I completely off the couch?

Greeting
Martin

Space





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