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Technology Stocks : WDC/Sandisk Corporation -- Ignore unavailable to you. Want to Upgrade?


To: Sarmad Y. Hermiz who wrote (27408)2/5/2005 4:59:58 PM
From: Bruno Cipolla  Read Replies (1) | Respond to of 60323
 
re: 640*480*30fps

My camera (Fuji s7000) too does it.
the compression is albeit a very simple one (MotionJpeg)
and it takes 1MB/sec for the video. (Mpeg4 would require one tenth)

a simple Sandisk standard 1GB CF works OK.
All other older CFs i tested work OK (that is they sustain the 1MB/sec needed)

DV PAL resolution is 720*576*25fps (NTSC is 720*480*30FPS)
not far from VGA (640*480)

i'm using my dv camcorder no more, except when i need very long recording time (more than 100 seconds overall) (only got 1 1GB CF so far.
Drawbacks are (for the fuji s7000, 14 months old--->obsolete))
1) no autofocus during capture
2) no zooming allowed
...

B.



To: Sarmad Y. Hermiz who wrote (27408)2/6/2005 6:34:21 AM
From: Ausdauer  Read Replies (1) | Respond to of 60323
 
Sarmad,

Thanks for your interest. It is great to have some discussion here!

I cannot verify the 30fps quoted, but the film does not have a jumpy or blocky quality at all.

As far as quality is concerned, I have been viewing the movies on my laptop. If you expand the image
to the entire frame of the screen it is easy to see that the quality is quite poor. Also, I have not
tried to play the images on a TV, primarily because I don't have a good program for writing to DVD.

With regard to compression, my understanding is that single-cell flash is approaching
20MB per second write speeds. I would assume that would be adequate. My older digicam was limited
to 30 second captures. Currently capture is largely limited by a combination of buffer size,
card write speed and flash card capacity.

Aus