Microsoft KB Archive/933141

= Voice commands may be unintentionally issued to Windows Speech Recognition when you play an audio file in Windows Vista =

Article ID: 933141

Article Last Modified on 4/23/2007

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APPLIES TO


 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Ultimate
 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Starter
 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition

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Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
When you play an audio file in Windows Vista, voice commands may be unintentionally issued to Windows Speech Recognition. This problem may also occur if an audio file plays when you visit a Web site.



CAUSE
This problem may occur when the audio file plays through speakers. This problem occurs because the microphone transmits voice commands from the audio file when the speakers are turned on.



RESOLUTION
To resolve this problem, use one of the following methods.

Method 1: Turn off the speakers or the microphone
To resolve this problem, turn off the speakers or the microphone.

Method 2: Turn off Windows Speech Recognition
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this problem, stop playing the audio file, and then configure Windows Speech Recognition so that it will not start by voice command. To do this, follow these steps:  Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list. In Registry Editor, locate and then click the following registry entry:

 In the Edit menu, point to New, click DWORD (32-bit) Value, type ModeForOff, and then press ENTER. Double-click ModeForOff, type 1, and then click OK. Restart the computer.

<div class="status_section">

STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

<div class="moreinformation_section">

MORE INFORMATION
When this problem occurs, User Account Control guarantees that the voice commands are limited by the rights and permissions of the current user account.

Windows Speech Recognition uses the following modes: <ul> Set the ModeForOff value to 0 to configure Windows Speech Recognition to do the following: <ul> To sleep when the computer is running on AC power</li> To turn off when the computer is running on battery power</li></ul>

Note A ModeForOff value of 0 is the default setting for Windows Speech Recognition.</li> Set the ModeForOff value to 1 to configure Windows Speech Recognition so that it will not start by voice command.</li> Set the ModeForOff value to 2 to configure Windows Speech Recognition to sleep when the computer is running on either AC power or battery power.</li></ul>

For more information about how to use Windows Speech Recognition to operate windows and programs in Windows Vista, visit the following Microsoft Web site:

http://windowshelp.microsoft.com/Windows/en-US/Help/3ceb9d4e-e8d2-499c-b860-6a6619580bb41033.mspx

Keywords: kbsound kbtshoot kbexpertisebeginner kbprb KB933141

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