Forum Replies Created

  • Ian Williamson

    January 28, 2007 at 6:59 pm in reply to: DVCPro HD vs MJPG

    I’ve been playing around with the MJPEG codec, and a 1080i file by my calculations comes out around 120Mb/s. So just comparing bitrates, MJPEG appears to be slightly better. Both codecs are 4:2:2, YUV, and 8bit, so they is no difference there. So far I’m feeling confident that capturing and mastering in MJPEG is a fine trade off to the realtime raid speeds needed for uncompressed HD.

    I’ve conducted double blind tests using telecined film footage to SR with colleges who are very tuned into video detail and about half the time they get the MJPEG wrong from the uncompressed.

  • Ian Williamson

    August 16, 2005 at 2:16 pm in reply to: PAL to NTSC and Vice Versa

    I just finished a 7 camera show with 3 NTSC cameras and 4 PALs. After extensive testing I settled on using Twixtor in After Effects. The results both ways look stunning and so far no one has been able to tell which camera was which.

    ian

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