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<H1><A NAME="_tapi2_wave_out"></A>wave/out</H1>
<P>The wave/out device class consists of audio devices for low-level wave audio output. 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 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_36b2.htm \n\n这个文件不能通过 Teleport Pro 取回, 因为 地址在一个域或为它的开始地址设定的边界的外部路径上. \n\n你想从服务器打开它吗?'))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>Although a "wave" device class also exists for low-level wave audio devices, you should always use the wave/out device class for low-level wave output. </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这个文件不能通过 Teleport Pro 取回, 因为 地址在一个域或为它的开始地址设定的边界的外部路径上. \n\n你想从服务器打开它吗?'))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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