IMPORTANT: This article contains information about editing the registry.
Before you edit the registry, make sure you understand how to restore it
if a problem occurs. For information about how to do this, view the
"Restoring the Registry" Help topic in Regedit.exe or the "Restoring a
Registry Key" Help topic in Regedt32.exe.
RESOLUTION
WARNING: Using Registry Editor incorrectly can cause serious problems that
may require you to reinstall your operating system. Microsoft cannot
guarantee that problems resulting from the incorrect use of Registry
Editor can be solved. Use Registry Editor at your own risk.
For information about how to edit the registry, view the "Changing Keys
And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and
Delete Information in the Registry" and "Edit Registry Data" Help topics
in Regedt32.exe. Note that you should back up the registry before you edit
it.
To resolve this behavior, follow the steps in the appropriate section
below:
Using Current Windows NT 4.0 Sound Blaster Device Drivers
If you are using the Windows NT 4.0 Sound Blaster drivers currently
available on Creative Lab's Web site, use either of the following methods
to work around this behavior:
- Add the MinAudioDelayMs string value to the registry or modify its
value data if it already exists. For information about how to do so,
see the "Existing Drivers Do Not Support DirectSound 5.0 or Later"
section later in this article.
- Use the Sound Blaster drivers included with Windows NT 4.0. Note that
these are half-duplex drivers as opposed to the full-duplex drivers
available from Creative Labs.
DirectSound 5.0 or Later Is Not Installed
If DirectSound 5.0 or later is not installed on your computer, download
the latest version of DirectX from the following Microsoft Web site:
NOTE: DirectX 5.0 is included with Windows 98. DirectX 5.0 is not
available for Windows NT 4.0.
DirectX 5.0 Is Installed But Existing Drivers Do Not Support DirectSound
5.0 or Later, or DirectSound Is Disabled in NetMeeting, or DirectX 5.0 Is
Not Installed, and the MinAudioDelayMS Value Data Is Too Low
If your sound card drivers do not support DirectSound 5.0 or later, use
Registry Editor to add the "MinAudioDelayMs" (without quotation marks)
string value with a value data of "240" (without quotation marks) to the
following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Audio\NacObject
NOTE: If DirectX 5.0 or later is installed on your computer, NetMeeting
ignores the MinAudioDelayMs string value. Microsoft does not recommended
setting the MinAudioDelayMs value data to any other value, as doing so may
result in poor audio, no audio, or other unexpected results.