Infoseite // Multi-Cam Support jerky - Why?



Frage von djoesch:


Hello everybody!

Have a Konzertmittschnitt of four cameras for the multi-camera support in Premiere Pro 2 zurechtgelegt.
After some time, started the whole but rather s.zu Jerkiness, approximately every 3 seconds a kind of freeze, then back to normal, then again it jerky, etc.

Actually it surprised me, because it so the video files vorrendert for the multi-camera editing. It is very annoying and stop almost impossible, with decency Geruckel between the cams out and herzuschalten.

Conclusion - something slows.
I use a USB 2.0 hard drive for editing, with Firewire on my 7200 RPM I've tried it already synonymous, it was even worse - ok this was totally fragmented.
Otherwise: Pentium 4, 3GHz, DDR400 1GB, GeForce 7800GS 256MB, 256 bit

My question, what could be the reason that it jerky?
hard drive? Too little RAM?

Would appreciate an answer,
liebe Grüße

Space


Antwort von Debonnaire:

Imagine what your times before in your system configuration must: Compared with "classic" non-linear DV editing, where a video sequence after another piecemeal of the hard drive is brought to you in the premiere of monitor display, must be the same, a hard drive of four (4) full-DV video streams with each of 25MB / s read and display! The poor reading your hard drive that is constantly rushing between four AVI files out and her to you (in real time) on the screen to bring. This creates a single hard drive does not!

The Solution: multicam editing, you should with multiple, physically separate (external) hard work (not the same logical partition's rotation). Ideally, a plate for each camera stream. Then it should flut chen!

Alternatively you can synonymous with a RAID collaborative work, but synonymous several physical hard disks conditionally.

Space


Antwort von djoesch:

Ah - thank you!

Something like I thought.

Premiere expects yes, in real time before you can start with the switching of the source monitors, preview files.
How can I ever premiere to get the media cache of different boards to read?

Liebe Grüße

Space


Antwort von djoesch:

Question

are you really sure that Premiere really 4 Full video tracks reads? I do not need.
I when I first would be from the 4 video tracks to create 1 video that all 4 tracks at lower Resolutionenthält to make space and power to save - and Premiere renders always quite a while before I started with the MultCam-cutting can begin -- what makes the first in this time?

Space





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