Variable Frame Rate, HVX200 vs VariCam
Posted 08 November 2005 - 01:58 PM
Posted 08 November 2005 - 08:04 PM
A partial list of confirmed framerates for the US (NTSC) model is as follows:
60, 48, 36, 32, 30, 26, 24, 22, 20, 18, 12.
The engineers are having difficulty with the noise floor on framerates slower than 12, but have not ruled them out yet. Again, this is a confirmed list of framerates that will be available on the HVX, but not necessarily a complete one.
Ramping is not possible with the HVX.
In 720p mode, the HVX records only active frames; it does not put them in a 60 field stream with pulldown. This is why the bandwidth needed for 24p is less than 30p which is less than 60p. In 1080 24p mode, the HVX uses the same user-selectable 3:2 and 3:2:2:3 pulldown mechanism that is used in the DVX100/A/B. The bandwidth is the same in that mode regardless of if you're shooting 24p, 30p, or 60i.
Posted 12 January 2006 - 02:30 AM
So really, this camera is capable of producing 36 different frame rates in total, plus he also mentions some other options for variable rates in the 1080 mode, which will even add to this collection of frame rates.
If you have no idea what I'm talking about, or just want more info, go read Barry's artical here (Direct link to DVXuser Artical): Barry's Frame Rate Artical for the Panasonic HVX 200
Edited by Landon D. Parks, 12 January 2006 - 02:32 AM.