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Avid HD Transcoding
Here is a question from someone who edits on AVID on a weekly basis, but is not quite sure of some of what AVID does behind the scenes. My question is regarding AVID transcoding. We are looking to get an HD camera that shoots in the AVC-Intra format. Say we shoot something in AVC-Intra 50 (50Mbps). When AVID transcodes the footage, does the transcoded footage remain 50Mbps or does it get larger. The reason I ask is that I am wondering about storage space. If it takes up the same amount of space as DV50 footage, that is great. If it takes up more space, then that is something we will need to plan for. Thanks for your help!
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6 Replies
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the options for transcode via software are:
avc intra 100 = 1Hour= 37GB
dnxhd 145 = 1Hour= 60GB
dnxhd 220 = 1Hour= 97GB
dvcprohd = 1Hour= 37GB
xdcam ex 35mb (standar resolution) = 1Hour= 12GB
xdcam HD 50mb = 1 Hour= 17GB
1:1 HD 1920×1080 uuffff! = 1 Hour= 420GB aproxBuy a RAID now!
Juan Navarro
Editor Manager
Video Department
Teletón Fundation
Chile Southamerica -
Perfect. That is exactly what I was looking for. Is there a noticable quality difference or performance advantage or disadvantage between the transcoding options?
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a lot of difference!
is better edit in dnxhd codec than native codec, for example we capture in HDV and transcode to dnxhd 145, best quality of color corretion, faster renders and more realtime streams. but you need bigger hard disks!
Best regards!
Juan Navarro
Editor Manager
Video Department
Teletón Fundation
Chile Southamerica -
Sounds good. I’ll give the DNxHD codecs a try.
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I use Media Composer with the Nitris DX breakout box. I import avc intra 100 files from the Panasonic P2 cards. This system is amazing. This format requires no transcoding whatsoever and as soon as the files from the P2 card are copied to the Avid Media Composer, they are immediately ready to use in your timeline. If fact, if you copy over files from several P2 cards they are automatically put in order in the bin and are ready to use in the timeline, with NO transcoding required!
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OK! let me know if you have a problem.
Juan Navarro
Editor Manager
Video Department
Teletón Foundation
Chile Southamerica
http://www.teleton.cl
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