Quote:
Originally Posted by
amirijaz 
What recording modes are you guys using? I've read that if archiving and shooting important stuff, you usually shoot 60i and 24Mb/s (MXP mode). But I read in the manual on pg 86 that movies recorded in MXP cannot be saved on AVCHD discs. Does this mean it will also be difficult to archive on blu-ray discs? Or somehow be difficult to transfer and edit .mts files on a computer?
Formally, AVCHD on DVD allows for 18 Mbit/s max, but YMMV depending on player. BD allows up to 40 Mbit/s, so feel free to shoot 1080p60 @ 28 Mbit/s. Oops, 1080p60 has not yet become a legal mode for BD, so YMMV again.
How do you think transferring files can be difficult?
Quote:
Originally Posted by
Icyman 
So if you're archiving on BD then yes use 60i. But if you are archiving on a hard disk, Online storage or uploading to YouTube then keep it 30p. Also, my BD player will play mp4 files from any data disc format. So technically, you can still archive on a "Bluray Disc" with 30p mp4 format.
In my book, one cannot archive 30i as 30p, and one cannot archilve MPEG-2 TS as MP4. Archiving means preserving, and preserving means as little changes as possible, at best using the original clips. I don't see why saving 60i files to BD is fine but saving them to HDD is problematic.
Quote:
Originally Posted by
Icyman 
One added bonus. You can get nice stills for "digital media" viewing from 30p format. It can always be converted to 60i.
Sure, you can convert 30p to 30i. And you can convert 30i to 30p as well, but you lose something either way. If you convert 30p to 30i then you lose spatial resolution without gaining temporal resolution. If you convert 30i to 30p then you lose both spatial and temporal resolution.
Canon's 30p is not native 30p, it is 30PsF. Keep it this way when archiving. Render to 30i for BD (if your authoring app does not have explicit PsF profile). Render to 30p for YouTube and combine fields (this is often and incorrectly called "no deinterlacing").