Microsoft KB Archive/271237

= Magic School Bus: Sound Is Not Played in Program =

Article ID: 271237

Article Last Modified on 8/18/2005

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APPLIES TO


 * Scholastic's The Magic School Bus Explores Bugs
 * Scholastic's The Magic School Bus Explores the World of Animals
 * Scholastic's The Magic School Bus Explores the Solar System
 * Scholastic's The Magic School Bus Explores the Rainforest
 * Scholastic's The Magic School Bus Explores the Ocean
 * Scholastic's The Magic School Bus Explores the Human Body for Macintosh
 * Scholastic's The Magic School Bus Explores in the Age of Dinosaurs
 * Scholastic's The Magic School Bus Explores Inside the Earth
 * Scholastic's The Magic School Bus Volcano Adventure Activity Center
 * Scholastic's The Magic School Bus in Concert Activity Center
 * Scholastic's The Magic School Bus Lands on Mars Activity Center
 * Scholastic's The Magic School Bus Discovers Flight Activity Center
 * Scholastic's The Magic School Bus Whales and Dolphins Activity Center

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This article was previously published under Q271237



SYMPTOMS
When you use one of the programs listed at the beginning of this article, no sound may be played in the program.



CAUSE
This behavior can occur if the Microsoft Windows audio compression codecs are not properly installed on your computer, or if the priority levels of the audio compression codecs are not correctly set.



RESOLUTION
To resolve this issue, use following methods in the order in which they are presented.

Uninstall and Reinstall the Audio Compression Codecs
To uninstall and reinstall the audio compression codecs:
 * 1) Quit all programs that are running on your computer.
 * 2) Click Start, point to Settings, and then click Control Panel.
 * 3) Double-click Add/Remove Programs.
 * 4) Click the Windows Setup tab.
 * 5) In the Components box, click to clear the Multimedia check box.
 * 6) Click Apply.
 * 7) In the Components box, click to select the Multimedia check box.
 * 8) Click Apply. If you are prompted to insert the Microsoft Windows CD-ROM, do so.
 * 9) Close Control Panel, and then restart the computer.

To remove and reinstall Audio Codecs in Windows 2000, you will need to follow the steps listed the articles below:

276423 How to Reinstall Audio and Video Codecs in Windows 2000

254354 Reinstalling Audio Codecs/Media Control Devices in Windows 2000

If the issue continues to occur, proceed to the next method.

Manually Set the Priority Levels
You may need to manually set the priority levels for the Microsoft PCM Converter, the IMA ADPCM codec, and the Microsoft ADPCM codec.
 * 1) Click Start, point to Settings, and then click Control Panel.
 * 2) Double-click Multimedia.
 * 3) On the Audio tab, click to select the Use only preferred devices check box.
 * 4) Click the Devices or the Advanced tab.
 * 5) Click the plus sign (+) next to Audio Compression Codecs to expand the branch.
 * 6) Double-click Microsoft PCM Converter.
 * 7) Click Use this audio codec.
 * 8) In the Change priority from   to box, click 1.
 * 9) Click OK.
 * 10) Double-click Microsoft IMA ADPCM CODEC.
 * 11) Click Use this audio codec.
 * 12) In the Change priority from   to box, click 2.
 * 13) Click OK.
 * 14) Double-click Microsoft ADPCM CODEC.
 * 15) Click Use this audio codec.
 * 16) In the Change priority from   to box, click 1.
 * 17) Click OK, and then click OK again.
 * 18) Close Control Panel, and then restart the computer.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: 1.00 mskids schoolbus msb msbmars msbconcert quiet silence silent

Keywords: kbenv kbprb kbsound KB271237

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