Playback stutter?

[Jo D.]

Hello all,

I have captured a 1.9Gb AVI. file using video wave and the notorious buz
(4100Hz stereo, 352 x 288, 24 Bits, 62664 Frames, 25.008 Frames/Sec, 799
KB/Sec, H22MJPEG[16]) and am having trouble playing the file back without it
stuttering. When I describe stuttering, I mean that the picture sometimes
freezes for a brief moment before recommencing. The sound also sometimes,
but not always repeats for that brief moment. After many attemps at playing
the file, I notice that the "stuttering" does not occur consistently at the
same time each playback, therefore I presume that it was captured correctly.
I wish to play the file back out to video (ie. make a duplicate of an
already produced video), so it is of course in the buz codec.
As Video wave will not play more than a 1Gb file, I have tried Windows
Media Player and Premiere 5.1 to play the file. The same stuttering effect
occurs when playing back on both of these. I have read that the Windows
media player does have some known issues with some codecs. Does the buz
codec conflict? I close down all background applications excluding explorer
and systray when playing the file back. I have defragmented the drive before
playing, but still have this problem.
I have found that the playback has less stuttering (and occasionally no
stuttering) when the file is played on the opposite drive to the OS.
I ran the system monitor whilst playing the file and the processor was
running at 60%, which should? mean that it is fast enough?.
My system is a 300mhz Amd k6-2, 128 Ram, Quantum KA 18.2 HDD & Fujitsu
6.48Gb (MPD3064AT) on the same ide channel, Win 98SE.
If anyone can help me with this problem I would really appreciate it.

Jo D

55...@st.net.au

[l.britton]

suggest the difficulty is with your hard drive. it seems that it cannot read the
data fast enough, thus low cpu usage. to check this out try cutting your file
size down and see if segments play better. i hope you did a good defrag of the
hard disk before you saved the final playback file. if the large full file is at
various places on the hard disk the reader heads must go searching for the
various parts and this can cause what appears as the problem.
regards

[Philip Williams]

From your description, it sounds like your hardware isn't up to the task of
playing out the video file properly. High data rate video capture or
playback is intense stuff, even for fairly powerful computers. I don't
recall you mentioning if you've played back other buz video files
successfully before, so I'm assuming this is a regular problem with your
system(?). Before going through too much trouble, I recommend that you
visit www.adobe.com and look for their page on optimizing a PC for video
capture and playback (sorry, the exact URL eludes me at this time). After
going through all of the recommendations there, you might be surprised at
the performance boost your system sees. Good luck!

Philip Williams
www.philipwilliams.com

[B.ottomline]

"Jo D." <55...@st.net.au> wrote:
>Hello all,
> I have captured a 1.9Gb AVI. file using video wave and the notorious buz
>(4100Hz stereo, 352 x 288, 24 Bits, 62664 Frames, 25.008 Frames/Sec, 799

http://www.adobe.com/supportservice/custsupport/SOLUTIONS/144f6.htm