Here is a list of my DxDiag info involving my sound.
DirectX Files Tab: No problems found.
Display Tab 1: No problems found.
Sound Tab 1: DirectSound test results: Failure at step 3 (DirectSoundCreate): HRESULT = 0x8878000a (The request failed because DirectSound resources, such as the priority level, were already in use by another caller.)
Music Tab: No problems found.
Input Tab: No problems found.
Network Tab: No problems found.
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Sound Devices
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Description: Modem #0 Line Playback (emulated)
Default Sound Playback: Yes
Default Voice Playback: No
Hardware ID:
Manufacturer ID: 1
Product ID: 81
Type: Emulated
Driver Name:
Driver Version:
Driver Attributes:
WHQL Logo'd:
Date and Size:
Other Files:
Driver Provider:
HW Accel Level: Full
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Registry: OK
Sound Test Result: Failure at step 3 (DirectSoundCreate): HRESULT = 0x8878000a (The request failed because DirectSound resources, such as the priority level, were already in use by another caller.)