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No Sound from Non-PCM File with Windows Driver Model Audio Drivers

Symptoms

When you try to play a non-PCM (Pulse Code Modulation) WAV audio file on a Windows 2000 computer with WDM (Windows Driver Model) audio drivers installed, no sound is produced.

Related Information:

Troubleshooter: No audio in Windows

Music and sound help with Windows 7

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Cause

This behavior occurs because the Wdmaud.drv (WDM Audio Driver Mapper) file interfaces with Kmixer.sys (Kernel Mode Audio Mixer), which supports only the PCM audio format.

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Resolution

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack

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Workaround

To work around this behavior, install non-WDM drivers for your audio device.

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Status

Microsoft has confirmed that this is a problem in Microsoft Windows 2000.

This problem was first corrected in Windows 2000 Service Pack 2.

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More Information

Devices such as software-based DVD players require the use of non-PCM audio formats to play content like AC3 (Dolby Digital 5.1) audio.

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Keywords: kbbug, kbfix, kbsound, kbwin2000presp2fix, kbwin2000sp2fix, kbbillprodsweep, kb

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Article Info
Article ID : 289226
Revision : 3
Created on : 4/23/2018
Published on : 4/23/2018
Exists online : False
Views : 186