Learn steps you can take if songs and other audio in iTunes for Windows or QuickTime Player does not sound right.
If audio doesn't sound right when you play a song in iTunes or QuickTime Player, the Sound Out setting in the QuickTime control panel may be set to the wrong option, or there may be a conflict between the audio enhancing effects of the sound card and iTunes' Sound Enhancer feature. Things you might notice include:
* A song or audiobook may play too fast or too slow.
* The audio playback may sound scratchy or muffled.
* There is no sound when playing.
* The playhead does not progress.
Try changing the QuickTime Sound Out Setting to improve the quality:
QuickTime 6
1. Click the Start button and point to Control Panel.
2. From the menu at the top of the QuickTime Settings window, choose Sound Out.
3. Select a different option in the "Choose a device for playback" menu.
QuickTime 7
1. Click the Start button and point to Control Panel.
2. Open the QuickTime control panel.
3. Click the "Safe mode (waveOut only)" checkbox.
Some PC audio hardware has audio-enhancing effects that can conflict with iTunes' Sound Enhancer feature.
To resolve these conflicts, do one of the following:
*
* Turn off the effects for your PC's audio hardware using the configuration software that came with your hardware.
* Disable the Sound Enhancer feature in iTunes:
1. Open iTunes.
2. From the Edit menu, choose Preferences.
3. Click the Effects tab.
4. Deselect Sound Enhancer.
Similar symptoms can occur if:
* Your version of DirectX is not current. Update to the latest version of DirectX.
* The application Total Recorder is installed. Absent a compatible version of Total Recorder, the solution is to remove Total Recorder using the Add or Remove Programs control panel.
* The drivers for your sound card are not current. See "Updating the drivers on your Windows PC" for help updating your drivers.
Important: Information about products not manufactured by Apple is provided for information purposes only, and does not constitute Apple's recommendation or endorsement. Please contact the vendor for additional information.Source
Apple
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