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Standards Conversion
I have some material sent from the USA as video files on a drive. The format is 1080p @ 29.97fps. I need to convert these to SD PAL.
Before the drive arrived I thought the material would be 1080 @ 60i and I was prepared to hire a Sony HDV recorder and make up tapes of each episode, then to send these off to a dubbing facility for standards conversion.
But the HDV decks only record 1080i and not progressive. What is the best solution? Convert to interlaced files and then record to the HDV deck, or is there a deck that will record progressive via Firewire? -
3 Replies
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You can do this with Compressor. I’ve used it to make excellent conversions from 1080p24 to SD-NTSC. Its slow, but one can get better times by doing a two step conversion. 1080p29.97 to SD-NTSC, then SD-NTSC to SD-PAL.
Do a small 1 min test segment in various ways with various settings. Go with the cleanest looking one. In any case your method of going via HDV is going to be crappy as there’s aMPEG2 conversion on HDV tapes which almost any standards converter will make a hash of during further conversion. If you must use tape, at least use HDCamSR.
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Neil Sadwelkar
neilsadwelkar.blogspot.com
twitter: fcpguru
FCP Editor, Edit systems consultant
Mumbai India -
Why not send the drive to a facility with a proper hardware converter, that can do the standards conversion from the files and deliver back to you files in an appropriate codec.
You make no mention of the original codec but unless it is HDV, then going out to HDV tape is bad.
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I did a test using Compressor and feel very happy with the results. Render time on 30 minute episode was around 90 minutes for a two stage process. I decided to make a 1080i @ 25fps version first, so that we had an HD version should it be needed down the road. That took around 60 minutes, the final down-conversion about 15 minutes.
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