[General Questions and Answers] edwinho:
Try Hkey_Local_Machine Registry Go..........................

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\WaveDev]

"AcodecSpeakerStatus"=dword:00000000

"AcodecForceSpeakerCall"=dword:00000000

"AcodecJackStatus"=dword:00000000

"AspBase"=dword:30006000

"AcodecRevisionID"=dword:00006421

"AcodecDeviceID"=dword:4A336421

"AcodecAddrLength"=dword:00001000

"AcodecBaseAddr"=dword:30005000

"AudioSysInterrupt"=dword:00000014

"Priority256"=dword:0000006E

"Order"=dword:00000012

"Dll"="K5_ASP_WAVEDEV2.dll"

"Index"=dword:00000001

"Prefix"="WAV"

"IClass"=hex(7):7b,00,45,00,39,00,32,00,42,00,43,00,32,00,30,00,33,00,2d,00,38,00,33,00,35,00,34,00,2d,00,34,00,30,00,34,00,33,00,2d,00,41,00,30,00,36,00,46,00,2d,00,32,00,41,00,31,00,37,00,30,00,42,00,46,00,36,00,46,00,32,00,32,00,37,00,7d,00,00,00,7b,00,33,00,37,00,31,00,36,00,38,00,35,00,36,00,39,00,2d,00,36,00,31,00,43,00,34,00,2d,00,34,00,35,00,66,00,64,00,2d,00,42,00,44,00,35,00,34,00,2d,00,39,00,34,00,34,00,32,00,43,00,37,00,44,00,42,00,41,00,34,00,36,00,46,00,7d,00,00,00,7b,00,41,00,33,00,32,00,39,00,34,00,32,00,42,00,37,00,2d,00,39,00,32,00,30,00,43,00,2d,00,34,00,38,00,36,00,62,00,2d,00,42,00,30,00,45,00,36,00,2d,00,39,00,32,00,41,00,37,00,30,00,32,00,41,00,39,00,39,00,42,00,33,00,35,00,7d,00,00,00,00,00

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\WaveDev\Acoustic]

"GainCompensateStep"=dword:000F0F0F

"AcodecCallWaveBtDacVol"=dword:FFFFFFFF

"AcodecCallWaveHsDacVol"=dword:FFFFFFFF

"AcodecCallWaveSpkDacVol"=dword:FFFFFFFF

"AcodecCallWaveRecvDacVol"=dword:FFFFFFFF

"AcodecCallDlinkHslVol"=hex(3):05,07,09,0b,0d,03

"AcodecWaveRecvSpkHsVol"=dword:0E0E0B0B

"AcodecCallDlinkSpkVol"=hex(3):08,09,0a,0c,0e,07

"AcodecCallDlinkHsrVol"=hex(3):05,07,09,0b,0d,03

"AcodecCallLineInOutVol"=hex(3):04,0c,0d,0d,0d,0e,0e,0e,0c

"AcodecCallBtDacAdcVol"=dword:FFFFF1AD

"AcodecRecBst2AdcVol"=dword:0101F1AD

"AcodecCallDlinkRecvVol"=hex(3):08,09,0a,0b,0c,07

"AcodecCallMicBstAmpVol"=dword:01030103

"AcodecCallUlinkBdStVol"=hex(3):09,08,07,06,05,0a

"AcodecCallUlinkHsStVol"=hex(3):09,08,07,06,05,0a

"AcodecCallUplinkSideVol"=dword:000B0B0A

"AcodecRecMicBstAmpVol"=dword:01080108

"ChannelObject"=dword:00000003

"ContiguousOverThreshold"=dword:00000001

"ContiguousUnderThreshold"=dword:0000000A

"MuteDownLinkMonitor"=dword:00000001

"OngoingCallSidetoneHeadset"=dword:00000001

"OngoingCallSidetoneReceiver"=dword:00000001

"RecDmaBuffer"=dword:00000080

"Threshold"=dword:00000BB8

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\WaveDev\Volume]

"AcodecCallLineInOutVol"=hex(3):03,0c,0d,0d,0d,0e,0e,0e,0c,00,00,00

"GainCompensateStep"=dword:000F0F0F

"AcodecCallWaveBtDacVol"=dword:FFFFFFFF

"AcodecCallWaveHsDacVol"=dword:FFFFFFFF

"AcodecCallWaveSpkDacVol"=dword:BBBBBBBB

"AcodecCallWaveRecvDacVol"=dword:FFFFFFFF

"AcodecCallBtDacAdcVol"=dword:FFFFF1AD

"AcodecRecMicBstAmpVol"=dword:01010101

"AcodecRecBst2AdcVol"=dword:0101F1AD

"AcodecCallMicBstAmpVol"=dword:00090101

"AcodecCallUplinkSideVol"=dword:000D0A0C

"AcodecWaveRecvSpkHsVol"=dword:0D0C0808

"AcodecCallUlinkHsStVol"=hex(3):0a,08,06,04,02,0b

"AcodecCallUlinkBdStVol"=hex(3):0b,09,07,05,03,0c

"AcodecCallDlinkHsrVol"=hex(3):03,05,07,09,0b,02

"AcodecCallDlinkHslVol"=hex(3):03,05,07,09,0b,02

"AcodecCallDlinkSpkVol"=hex(3):08,09,0a,0c,0e,07

"AcodecCallDlinkRecvVol"=hex(3):06,08,09,0a,0c,04

"AcodecWaveDacVol"=dword:FFFFFFFF

Go ...........................