Quicktime - No audio after update

Running Mac OS 10.4.7 and Quicktime 7.1.2 on a G4 1.42 GHz Mac mini.
After downloading and installing the OS and QT update, I no longer get any sound in QT from MPEG-1 files, the muxed kind I believe. I had a MPEG-1 video and it didn't have any sound, nor any flash or MPEG videos online. iTunes is just fine and QT will run iPod-compatible videos as well as AVI and WMV (via respective plugins).
I have tried reinstalling QT and it did not fix the problem. Any suggestions?

THANX!!! i had the same thing, no sound with mpeg muxed files!!
10.4.7 is a pain the...
i didn't think that it would fix it, but opening garageband, playing a file and quitting it... and then playing your mpeg muxed video... and TADA! you get sound again...
20" 1.8 GHz iMac G5 (1st Gen) OSX 10.4.7 Mac OS X (10.4.6) 1.25 Gigs o' Ram, 160Gig HD 1 dog 2 cats & Mighty Mouse!
20" 1.8 GHz iMac G5 OSX 10.4.6 Mac OS X (10.4.6) 1.25 Gigs o' Ram, 160Gig HD & Mighty Mouse!

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Lost audio after update today

Hp Pavillion dm4
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Hm.. I never have problems with audio in Windows 7..
Just try this:
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BBot

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If you have not already done so, run Disk Utility's "Verify Disk" & "Repair Permissions" routines on your startup drive (in that order). If the verify disk step finds any problems, you must correct them before continuing.
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Dear Blackberry users
Im using a Playbook SN 1344-6061-5356. After update to firmware 2.1.0.1753 the audio function is not working if I am connected with USB speakers.
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Subsystem: Sony Corporation Device 9072
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at e3080000 (32-bit, non-prefetchable) [size=16K]
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Last edited by mikeycriggz (2013-12-19 13:11:28)

Try a new cable.

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Unfortunately, it sounds like it may require servicing. You should call customer support.
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Welcome To  Discussions jrc_jr!
Have you run Repair Permissions?
TO REPAIR PERMISSIONS ON THE STARTUP DISK
1.Open Disk Utility, located in Applications/Utilities, and select the startup disk in the left column.
2.Click First Aid.
3.Click Verify Disk Permissions to test permissions or Repair Disk Permissions to test and repair permissions. (I never "Verify". Just run "Repair".)
Rerun RP until the only messages reported, are listed here Spurious Permissions Errors Using: 10.3.x, authored by Michael Conniff.
When "Repair Permissions" is complete. Quit "Disk Utility".
"When I click them in the dock,..."
Have you tried loading them from within the Applications folder?
ali b

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hi
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