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GeneralRe: CPU Question Pin
User 171649212-Nov-07 5:46
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Dan Neely13-Nov-07 5:03
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ruready51114-Nov-07 10:48
ruready51114-Nov-07 10:48 
If you want a machine for video editing you will need to do a lot of research. I myself have an AVID Express Pro box with the Mojo real-time renderer.

I heard Sony's Vegas and Adobe's Premiere Pro and After Effects names thrown around earlier in the thread. Do you know exactaly which software you will use? Once you find that out you need to do some research on the software, especially if you want real-time editing. If real-time is what you want, AVID is the way to go.

Should you decide to go with AVID; here are some of the things I found out about their software that my computer had to support (keep in mind that I built this machine for AVID Express Pro v5.2):

1.) To use the Mojo box, the firewire controller must be based on the Texas Insturments chip; AND, it must be the only device on that bus seqment to the chipset.
2.) The RAM must be DDR Dual-Channel 333Mhz ECC modules.
3.) If an IDE or EIDE HDD controller is used, the drives cannot be daisy chained. Each must have a seperate controller. (I went with 2 250GB Seagate Barracuda SATA drives @ 7200RPMs. 3Gbs is more than enough to do full HD 1080p real-time editing; just make sure that you are reading from a seperate drive than you are writing to).
4.) Windows XP Pro is the reccomended OS. AVID will not work with Windows XP Pro x64 Edition. I used XP Pro (32bit).

As far as video cards go, I have an Nvidia Quadro FX 1400 and it works great. You may want another one to output to a TV of some kind if your not going to go with AVID. If you do go with AVID and a Mojo, the Mojo will supply all the I/O you will need.

Is this for Professional use or home/pro-sumer use?

Now about the processor. I have 2 3.4Ghz 64bit Intel Xenon processors now. Let me tell you something, this system screams! I recently was the Animation Supervisor for Sisqo's music video "Who's Ur Daddy?", the video bombed (go figure) but that is beside the point. We filmed it on a Sony CineAlta and had the camera dump the footage live through a BlackMagic HD capture card and finally to an Apple G5 with a wicked sick SCSI RAID array (3TB, all drives functioning at 15kRPMs). The final capture was around 100GB. Most of the color correction (AVID), animation (Maya), and a few video effects (After Effects) were done on my system, and the machine never skipped a beat. Real-time, renderless editing.

In my opinion, I would rather have 2 single core processors than one dual core processor. Just look at the pin count, 2 seperate processors can physicaly handle more data, hands down. And a dual processor setup is cheaper. You can get the processors I have now for a ball park figure of $250/ea.

Now, 64bit or 32bit processors? 32bit processors are really cheap, I would not reccomend them. 64bit on the other hand can be cheap and can offer more than you think. a 64bit processor running on a 64bit OS is fast. But AVID does not support a 64bit OS. Now if you have 2 64bit processors (like my setup) and a 32bit OS, you can actually operate almost just as fast as if you were running a 64bit OS. The 64bit processor with HyperThreading turned on (assuming Intel) will split the single 64 bit pipeline into 2 32bit portions. Running 2 of these processors under a 32bit OS will yield the performance of 4 32bit processors.



Anyway, I hope this helps...
-David
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