Quicktime stopped playing audio online

I have a powerpoint lesson online and there is audio attached that plays through quicktime but it has stopped working and instead of an audio player there is not just a small quicktime icon in its place. How do I fix it so it will play again? This is online

"This just recently happened."
In that case, try the following............
Repair permissions & restart.
http://docs.info.apple.com/article.html?artnum=300832 Mac OS X: No audio from certain multimedia content
Trick/Tip: Open up GarageBand if installed then, open a program (optional).
Quit out of the GarageBand app.

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I upgraded some things and Quicktime stopped playing MPEG-2 movies (black screen)!

I upgraded some things and Quicktime stopped playing MPEG-2 movies (black screen)!
I need help, I was ending a project and now it just plays black!
I have quicktime X.
HELP! PLEASE!
thank you.

Quicktime was working fine, I am not sure what Quicktime it was. I upgraded Java, I am not sure if I upgraded Quicktime. After that all quicktime movies with "MPEG-2 Video, Linear PCM, Timecode" codecs started playing black with audio in the background. iMovie was not used. Thank you, I am beyond desperate and I am starting to think no one can help me with this.
Then I am not sure how your created the MPEG-2/PCM MOV files. Files not imported via the MPEG-2 Import codec would normall remain in their long GOP compression format which it not edit compatible in QT based video editors. Those that are imported via the codec to make them edit-compatible then need the codec for proper playback in QT based players/editors.
Since you now say that "Quicktime is working fine," am I to assume that it is After Effects that is playing "black" screen videos and that the files play fine in the QT players? Since you also mention the files are time coded, am I to assume you used FCP or some other app to import the files (which may use the same sort of import workflow) or am I to assume it is the timecode data itself that you feel is now causing the problem. In either case, a Java update may have been a security update that is now causing your current issue by disallowing access to the required playback component for some unknown reason which Apple is unlikely to divulge if it refers to a software security risk.
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Hello everybody, this is a vital question.
After the latest security update, logic stopped playing audio. After a short debug I discovered that core audio doesn't show any external interface anymore, so any other song is affected. I dont know if the security update is related... Anyways Logic is gone and my songs too!!!
Audio-Midi configuration, as well as the interface related control panels, work as expected and audio is correctly played by the finder. All other software which makes use of core audio (e.g. Bias Peak) works.
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Obviously my Logic is officially bought from the App Store.
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Hey icedj,
I had that happen. I had to trash my Logic prefs, then restart Logic. It's a P.I.T.A. because you lose various settings (color settings, for instance), but it fixed the problem for me.
Bamboof
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ooh, I did a bit more research and found a solution for my problem.
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ASIO4ALL is just a wrapper for other devices on your system. If you click the Settings button in the hardware preferences, it should open the ASIO4ALL control panel. You'll want to make sure the correct audio device is listed and enabled within. Sometimes, if a device is disconnected or the driver is updated, ASIO4ALL may not recognize it as the same device it was using before.
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I unfortunately agreed to update my Quicktime software when prompted by Apple. Since then, when I try to play audio CDs while working on my Mac, I have to select one song at a time and then select "play" in order to hear it. Now, only 48 hours ago, all I had to do was double click on the audio CD and the whole thing would play with no problem. This is why I am so wary of this so-called "convenient" and "user friendly" update alerts because you never know what the update actually contains and how it is going to change the behavior of your computer!
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For certain songs on my iPhone 4s with iOS7 some songs stop playing audio but continue playing the song almost as if it were muted. Where can I fix this? Say "Stronger" by Kanye West stops playing sound after 2:25 but it is 5 minutes long.

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Hi I found the answer from another post. So far everything is working find. I been trying to fix this since march,
from
Mike N. (nahyun...
Posts: 2,814
From: New York, NY
Registered: Oct 1, 2003
Re: itune application and itune folder
Posted: Jun 27, 2007 7:16 AM in response to: Austin Smith2
Solved
Reply Email
Deleting the application rarely solves anything on Macs. A better starting point is normally to delete the preference file for the application (in Users/~/Library/Preferences/com.apple.itunes.plist) or see if you have the same problem in another user account on the computer.
PM MDD(1.25GHz 1.25G-RAM 320G-HD) Mac OS X (10.4.10) 20"ACD USB2Connect MacBook (2.0 White)-2GB Report this post
Austin Smith2
Posts: 118
Registered: Oct 31, 2001
Re: itune application and itune folder
Posted: Jun 27, 2007 12:51 PM in response to: Mike N. (nahyun...
Reply Email
Mike, deleting the preferences did the trick, but I don't know why. Itunes downloaded 5 days of podcast! Hurray!! Thank you!!!!!!!!!

QuickTime stops playing

I had to downgrade from Pro 7 to Pro 6 because the MBox wont work with Pro 7 on the Net. Now for some reason (and it seems totally random) im playing a track in quicktime, and it will stop. when i look at it, the "Markers" have moved so it stopped at the "end marker". I put the markers back to where the belong (ie at the start and very end) and hit play, and it plays, but the time stays at 00:00 and the progress arrow doesnt move. It then plays for around 4 seconds before, once again, stopping. I click anywhere on the track and it will play for about 2 seconds before once again, stopping!
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A few things don't match with your profile.
QT 7 requires 10.3.9. And Digidesign has upgraded their software to work with Tiger, and QuickTime 7.
Since you say you've "downgraded" to QT 6 we can only assume you use 10.3.9.
Open the Audio MIDI Setup app (Utilities folder) and set the audio out format to 44100Hz. Quit and relaunch the app and try the file again.
Update your third party software and you'll have a better experience.

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Some fixed it by reinstalling the latest Flash Player 9.0 r47

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Info tells me that the codecs are MPEG-2 SD Camcorder, Integer (Little Endian), Timecode.
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Dear KQK, I'm running Quicktime 7.5.5 and I don't get any sound when playing back some of my AVI files I downloaded from a file sharing network. About 1 in 10 has no sound. If you can help me with this problem, I will gladly buy your PDF file about Quicktime. Godspeed

Quicktime not playing videos online

so, i'm trying to watch a video online using quicktime, but everytime i try to watch it, i get a the quicktime Q with a question mark. I've updated to the new version and updated adobe flash player, but its still not working. Is there a problem with the plug in, which is enabled, or something else?

Is there a problem with the plug in, which is enabled, or something else?
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Hi jmtmurphey2
System Requirements for CAPTIVATE 4

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Hi, I have a dual monitor setup, if I drag my custom QuickTime player (win32 c++) across from the 1st monitor to the 2nd, playback of the QuickTime movie stops and does not continue. Any ideas?

Interesting question. I'm using dual monitors also and didn't get the same result when dragging a .mov from the primary to secondary monitor. The only thing I can think of is try opening the QT control panel to Advanced. Where it shows Video, try experimenting with those preferences

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Here's what I'm getting

Quicktime stopped playing audio online

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