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December 22nd, 2006, 06:39 PM
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#1 |
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Regular Crew
Join Date: Mar 2005
Location: New Castle IN.
Posts: 178
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Why is M2t Files Play Fine But Converted to Avi choppy?
I dont understand! I capture m2t files,they playback great! Then everyone wants to convert to avi such as, with cineform or raylight ,then they files are almost 3 times the size and cant hardly playback with a media player supper choppy even locking up the media player! I just dont get it? you would think they would play better after these Special uncompression agents are used!
So what do I have to do Import m2t clip uncompress with cineform or rayligt then go to editor render to another format just to view it? HDV seems to be the stress of my life at this point! whats crazy is that I can m2t veiw and edit fine with my system so speed and ram is not the issue! |
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December 22nd, 2006, 06:46 PM
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#2 |
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Wrangler
Join Date: Oct 2002
Location: Los Angeles, CA
Posts: 2,100
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System speed is your issue. One of two things at work (and maybe both):
1-What is the data rate of the new files? It's possible your hard drive can't keep up. 2-Some codecs enjoy accelerated viewing from the hardware of the video card, and some don't. MPEG2 decompression is likely accelerated on your card, which would explain why m2ts work better.
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December 22nd, 2006, 06:50 PM
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#3 |
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Regular Crew
Join Date: Mar 2005
Location: New Castle IN.
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Thx for replying nate!
1536 kbps is the data rate that is a test clip out of Dvfilm 19sec 2Gig |
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December 22nd, 2006, 07:22 PM
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#4 |
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Wrangler
Join Date: Oct 2002
Location: Los Angeles, CA
Posts: 2,100
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You're saying a 19 second clip is 2 gigs in size?
That's a WAY higher datarate than 1500kbs. Way, way higher. [edit: corrected figures] That file size and length implies a data rate of 105 megaBYTES per second, not 1500kiloBITS per second. That means you need at least a 2 drive SATA raid, and more like a 4 drive SATA raid to play that file. 105 megabytes per second is very very likely in your case uncompressed.
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December 22nd, 2006, 07:57 PM
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#5 |
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Regular Crew
Join Date: Mar 2005
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19sec 2 gig is correct! But Im not understanding the change that I should make? buy sata drives ? Im using external Hard drive usb2.0 1536kbps is what is says when I highlight the clip...
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December 22nd, 2006, 08:04 PM
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#6 |
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Wrangler
Join Date: Oct 2002
Location: Los Angeles, CA
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I have no idea what you're doing wrong in your conversion. I'm not familiar with DVFilm or the codecs it uses.
But if you have a file that's 19 seconds long, and 2 gigs in size, then it's way too fat for your current drives. Chances are you're just using DVFilm incorrectly, converting to the wrong codec.
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December 22nd, 2006, 08:49 PM
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#7 |
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Regular Crew
Join Date: Mar 2005
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You have been helpfull Nate I do appriciate the reply's
Does the rate sound correct 1536kbps? also does the cineform tool makes the size larger is that correct? |
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December 22nd, 2006, 09:09 PM
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#8 | ||
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Wrangler
Join Date: Oct 2002
Location: Los Angeles, CA
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Quote:
Quote:
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December 22nd, 2006, 09:17 PM
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#9 |
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Regular Crew
Join Date: Mar 2005
Location: New Castle IN.
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Thx Nate! Im gona figure it out with DvFilm after the holidays!
Good Holidays to you Nate... |
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December 23rd, 2006, 10:59 AM
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#10 | |
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Regular Crew
Join Date: May 2004
Location: Little Rock, AR
Posts: 199
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Quote:
On my home system, a 2.4 ghz, non-dual core computer, Cineform stutters and freezes all the time, especially on if my preview window in Vegas is set to best or good. But sometimes, even m2t will stutter or freeze up. Just one of the things I have to live with until I upgrade my system (which I don't think meets Cineform's minimum specifications). But on my work computer (a core 2 duo extreme) and on my laptop (a 2.4 ghZ core 2 duo), there's no stutter or freeze at all -- except when I do lots of post-effects on my layered Vegas footage. Are you on a slow system? Then if you're like me, and if I have a pressing edit, I sometimes use VASST's Gearshift program. It allows me to keep editing in DV and then switch over to the original m2t file (or the Connect HD avi) when I render. |
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December 23rd, 2006, 11:13 AM
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#11 |
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Regular Crew
Join Date: Mar 2005
Location: New Castle IN.
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Thx for reply! Im getting rid of Cineform staying with RAYLIGHT!
WorkFlow for Transfer to 35mmFILM I unistalled all codecs started from scratch about 3 this morning! Raylight out put folder was incorect, seems to fix the problem.. Whew! It was weeks of rendering stress, All because Raylight output folder was not chosen! Also My system is Fine to Run these but not fully uncompressed files that would take a mean system to run ! From DVFILM: If you use the Make self-contained AVI option, then no .rayl file is created. If your editing system has a dual disk stripe (RAID) system and fast dual core processors, you can safely choose the self-contained option. |
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