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<H1><A NAME="_tapi2_wave_in"></A>wave/in</H1>
<P>The wave/in device class consists of audio devices for low-level wave audio input. You access these devices by using the wave functions, which are described in the Microsoft Platform SDK. Devices in this class are associated with line devices that support the LINEMEDIAMODE_AUTOMATEDVOICE media typem, 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 this additional member: </P>
<PRE>DWORD DeviceId; // identifier of audio device
</PRE>
<P>The <B>DeviceId</B> member is the identifier of a closed audio device. You use this identifier in a call to the <A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/multimed/mmfunc_1q5q.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_1q5q.htm'" tppabs="http://msdn.microsoft.com/library/psdk/multimed/mmfunc_1q5q.htm"><B>waveInOpen</B></A> function to open the device for input. You can use the resulting device handle to record digitized audio data from the line or phone device. </P>
<P>Although a "wave" device class also exists for low-level wave audio devices, you should always use the wave/in device class for low-level wave input. </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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