Enable3DSound Is3DSoundEnabled ReportSoundCardCaps WaitForWoBufDone isWaveOutFmtSupport isWoBufFull isWoBufOpen isWoDevOpen woCloseBuf woCloseDev woGet3DACChannelParam woGet3DAllChannelParam woGet3DOneChannelParam woGetBufTime woGetDevCaps woGetPosition woGetPosition2 woGetSFreq woGetVolume woLockBuf woLockMultBuf woOpenBuf woOpenDev woPause woQueryOpenBuf woQueryOpenDev woReset woRestart woSet3DACChannelParam woSet3DAllChannelParam woSet3DOneChannelParam woSetSFreq woSetVolume woUnlockBuf woUnlockMultBuf woUpdateBufStatus