Quicktime - got sound no video

Hi there - hope you can help. I am a very basic user. Have some videos which used to play fine (they are realy precious ones of my kids as babies etc) and now suddenly they won't play the images. Got sound. Blank white screen. They were taken on my digital camera.
I have been searching for days and have looked through some other messages in this forum and tried a few of the basic things suggested with the Quicktime settings to no avail. The only thing I haven't tried is looking for the codecs cause I don't understand what I need or where to look. I looked in "Quicktime Inspector" and found the following info -
Format u-law 2:1 mono, 8.000KHZ, MPEG-4 Video, 320x240, millions.
Movie FPS: 20.00
Please help! Will be eternally grateful.

Hi,
I'm having same problem. My mp4 films used to work fine, now I only get sound, no video. Same thing in QT-player, and quickview. iTunes and VLC play the files fine. The problem just appeared for no apparent reason. Really frustrating. Funny thing is tough, that some mp4 files work.
One of the clips that's NOT working is:
MPEG-4 (Perian), 320 x 240,
AAC, Stereo (L R), 44,100 kHz
One of the clips that WORK is:
MPEG-4 (Perian), 320 x 262,
AAC, Mono, 22,050 kHz
Doesn't really make sense to me. Could the audio-rate have something to do with this?
I have: QT pro 7.4.5
I tried to remove the components somebody suggested in another thread, but no help. I even tried to remove all the QT components. No help. I have also installed Perian again. no help..
Any suggestion and help would be appreciated.

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Message was edited by: Robert Whitelaw

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Merry Christmas
[email protected]
hp presario Windows XP ipod 5th generation
hp presario Windows XP ipod 5th generation

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Quicktime - got sound no video

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