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<H1><A NAME="_tapi2_wave_in_out"></A>wave/in/out</H1>
<P>The wave/in/out device class consists of full duplex audio devices. You access these devices by using the wave functions, which are described in the Platform SDK. Devices in this class are associated with line devices that support the LINEMEDIAMODE_AUTOMATEDVOICE media type, which is specified in the <B>dwMediaModes</B> member of the <A HREF="struc2_67aq.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_67aq.htm"><B>LINEDEVCAPS</B></A> structure for the line device. </P>
<P>The <A HREF="func1_2gf8.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_2gf8.htm"><B>lineGetID</B></A> and <A HREF="func2_1qxw.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_1qxw.htm"><B>phoneGetID</B></A> functions fill a <A HREF="struc2_8vle.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_8vle.htm"><B>VARSTRING</B></A> structure, setting the <B>dwStringFormat</B> member to the STRINGFORMAT_BINARY value and appending two additional members: </P>
<PRE>DWORD DeviceInId; // identifier of wave in audio device
DWORD DeviceOutId; // identifier of wave out audio device
</PRE>
<P>The <B>DeviceInId</B> and <B>DeviceOutId</B> members are identifiers of a closed audio device. You use these identifiers in a call to the <A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/multimed/mmfunc_36b2.htm \n\n這個文件不能通過 Teleport Pro 取回, 因為 地址在一個域或為它的開始地址設定的邊界的外部路徑上. \n\n你想從服務器打開它嗎?'))window.location='http://msdn.microsoft.com/library/psdk/multimed/mmfunc_36b2.htm'" tppabs="http://msdn.microsoft.com/library/psdk/multimed/mmfunc_36b2.htm"><B>waveOutOpen</B></A> function to open the device for output. You can use the resulting device handle to play digitized audio data at the line or phone device. </P>
<P>For more information about the wave functions, see <A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/multimed/mmfunc_27ar.htm \n\n這個文件不能通過 Teleport Pro 取回, 因為 地址在一個域或為它的開始地址設定的邊界的外部路徑上. \n\n你想從服務器打開它嗎?'))window.location='http://msdn.microsoft.com/library/psdk/multimed/mmfunc_27ar.htm'" tppabs="http://msdn.microsoft.com/library/psdk/multimed/mmfunc_27ar.htm">Multimedia Functions</A> in the Platform SDK.</P>
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