Why doesn't Quicktime play audio in double speed any longer?

Until recently, a person could click on the FF button to play a video/audio file in double speed and hear the audio. This was especially helpful when watching/listening to lectures. Now when you play in double speed there is no audio. What happened? Is there a glitch in the software? I hope the feature is returned to its former design.

Finally figured it out the solution! (This only applies to Mac users.)
Firefox 3.x ran in 32-bit mode and Quicktime 7.x runs in 32-bit mode, so the two programs worked just fine together. The new Firefox 4.x, however, runs in 64-bit mode, so the 32-bt Quicktime 7.x plug-in no longer works correctly.
Luckily the fix is simple: just switch Firefox 4.x from 64-bit mode down to 32-bit mode. Here's how:
[] Close Firefox 4.0
[] Highlight the Firefox icon in the Applications folder
[] Click COMMAND-i to open the Get Info window
[] Click on the box marked: OPEN IN 32-BIT MODE and close the window
[] Launch Firefox
You can now save Quicktime files as before, assuming you have Quicktime Pro.
[] After closing Firefox, you can un-check the OPEN IN 32-BIT MODE box so Firefox will once again run in 64-bit mode.

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HT3775 Why doesn't QuickTime play audio for some avi videos?

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Appreciate your answers.

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Why do my quicktime movies playback at double speed? Please help

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FWIW, MPEG is a distribution format, not an editing format. The best way would be to convert VHS to DV, edit it in iMovie and burn THAT to DVDs.
Sure, MPEG is a nice compressed format taking much less space than DV but the compression takes away quality.
IMO the best approach with MPEG source would be to edit (yes, it CAN be edited) it with apps like MPEG Streamclip (very limited editing features) or Capty MPEG Edit EX (more features) and author the edited MPEGs via apps like Toast, DVDSP, Capty MPEG Edit, Sizzle etc. THEN you won't lose any quality (unless some of the GOPs have to be re-encoded, that is).
BTW, unlike QT Player, MPEG Streamclip can play also AC3 or PCM audio in MPEG files.
See also:
http://www.sjoki.uta.fi/~shmhav/SVCDon_a_Macintosh.html#edit_convertMPEG

Why doesn't iPhone store audio clips that you download from say whatapp like it does with photos and videos?

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Hi,
I use a Power Mac G4; run Mac OS X 10.4.11 Tiger; QuickTime 7.6.4. Why won't QT play the following video:
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I use a Power Mac G4; run Mac OS X 10.4.11 Tiger; QuickTime 7.6.4. Why won't QT play the following video:
www.globalwebsupply.com/images/mdsmarttool.asx ?
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2) The Advanced Stream Redirector (ASX) format is not supported by QT 7 without third-party support such as the Fil4Mac WMV components.
3) Even the Flip4Mac WMV component only "supports a small subset of the ASX file format."
On my system:
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2) Trying to play the file directly in QT 7 using the "Open URL..." option returns the following message in the "Inspector" window, "Movie Unavailable."
3) Trying to download the linked file does nothing. (Aborts action without any message.)
4) Trying to open the URL in Safari returns the following message, "The operation couldn't be completed. A Microsof Media Server (MMS) error was encountered. (-19160) Try again. If the problem persists, contact the website administrator."
Based on these results, it would appear that there may either be an access problem or a file type support problem.

Quicktime plays audio but no visuals

Hi
My quicktime player plays audio but not visuals.
The footage is Hdv footage which was filmed on a hdv camera recently.
I have quicktime version 7.5 & os 10.4.3
Any suggestions?
Thanks
Mark

Hi Mark and welcome to the forums!
You really do need to update your OS to 10.4.11:
The 10.4.11 Combo Updater for PPC Macs is here: http://www.apple.com/downloads/macosx/apple/macosx_updates/macosx10411comboupdat eppc.html
And for Intel Macs: http://www.apple.com/downloads/macosx/apple/macosx_updates/macosx10411comboupdat eintel.html
as well as updating Quicktime to 7.5.5 from the Apple download page.

HT3775 Why won't Quicktime play a .mpeg file?

I have a .mpeg file and can not get it to play. I am so frusterated!

Try installing Perian. It helps quicktime play lots of different formats.
Or, try VLC. It plays lots of video formats.
mpeg isn't one specific format. The video can be encoded in lots of different formats and still be called an mpeg. You have to find something that can play the particular codec that was used to encode the video.

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I completely agree with everything you've said. I have the same problem, and it's getting to be a real pain.

Why doesn't QuickTime 7 or QT-PRO or the MPEG 2 Plug-In play DVD\VOB files?

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Here are the links:
QuickTime page:
Never actually says you will be able to view this type of store bought DVD but it shows pictures of them(king Kong).
http://www.apple.com/quicktime/player/win.html
QuickTime PRO Page:
This is the really deceptive page, it shows a scene from Kong Kong and the "recording tool bar" over it as well as out and out deception like where is says "Even those who simply like to watch movies or movie trailers in full screen and save their favorite movies for viewing later will enjoy using QuickTime 7 Pro."
it also has a right info bar titled
"Don’t Steal Movies”
followed by
“If you see something you want to watch again and again, QuickTime 7 Pro lets you quickly save your favorite content to your hard disk.
(Picture of menu showing “Save as QuickTime Movie”)
“Professional studios around the world spend millions of dollars and man-hours producing commercial entertainment. Please don’t steal their work or in ten years, it will cost $50(2) to see
a movie in the theater."
http://www.apple.com/quicktime/pro/win.html
Finally the truth, "Using the QuickTime MPEG-2 Playback Component with VOB files" support file page:.
The first paragraph says this:
"If you have the optional QuickTime MPEG-2 Playback Component"(a Link to the store) "installed with QuickTime 6 or later, you can play back video in Video Object (VOB files), which are used in the DVD-Video specification and contain the mutiplexed audio and MPEG-2 video data."
Then in the very last sentence on the page it says "Please note that the component will not play back encrypted VOB files, such as those found on commercially-produced DVDs, in QuickTime Player."
http://docs.info.apple.com/article.html?artnum=300516

Mr. Napoli, I fully understand that it is illegal to circumvent the anti-coping protection however, it is my Understanding via "Fair use and Practices" provisions in the US copyright laws that I can make a copy of my DVD for personal use. If this was truly illegal then Apple's MAC app "HandBrake" is illegal. So lets not pretend the functionality to move/copy commercial DVD content to your IPOD for viewing is outside of Apple's realm, it’s not. As far as being “clearly stated” the information would have to be presented on the same page as the offer to purchase in order to be “clearly stated”. Apple puts the info in a “support” FAQ you would only read after you realize the software doesn’t do what you expected. The application support guys at my local store told me today that “everyone thinks that QuickTime will let you watch commercial DVDs” Apple need to offe3r a “FREE” update enabling this functionality.

Why doesn't Quicktime play audio in double speed any longer?

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