        <profile version="589824" 
             storageformat="1" 
             name="a" 
             description="Streams: 1 audio 1 video"> 
                   <streamconfig majortype="{73646976-0000-0010-8000-00AA00389B71}" 
                   streamnumber="1" 
                   streamname="Video1" 
                   inputname="" 
                   bitrate="500000" 
                   bufferwindow="3000" 
                   reliabletransport="0" 
                   decodercomplexity="" 
                   rfc1766langid="zh-cn" 
 > 
                     <videomediaprops maxkeyframespacing="30000000" 
                                     quality="100"/> 
             <wmmediatype subtype="{33564D57-0000-0010-8000-00AA00389B71}"  
                   bfixedsizesamples="0" 
                   btemporalcompression="1" 
                   lsamplesize="0"> 
       <videoinfoheader dwbitrate="500000" 
                        dwbiterrorrate="0" 
                        avgtimeperframe="2000000"> 
        <rcsource left="0" 
                  top="0" 
                  right="320" 
                  bottom="240"/> 
        <rctarget left="0" 
                  top="0" 
                  right="320" 
                  bottom="240"/> 
            <bitmapinfoheader biwidth="320" 
                              biheight="240" 
                              biplanes="1" 
                              bibitcount="24" 
                              bicompression="WMV3" 
                              bisizeimage="0" 
                              bixpelspermeter="0" 
                              biypelspermeter="0" 
                              biclrused="0" 
                              biclrimportant="0"/> 
       </videoinfoheader>
            </wmmediatype>
            </streamconfig>
                   <streamconfig majortype="{73647561-0000-0010-8000-00AA00389B71}" 
                   streamnumber="2" 
                   streamname="Audio2" 
                   inputname="" 
                   bitrate="10016" 
                   bufferwindow="3000" 
                   reliabletransport="0" 
                   decodercomplexity="" 
                   rfc1766langid="zh-cn" 
 > 
             <wmmediatype subtype="{00000161-0000-0010-8000-00AA00389B71}"  
                   bfixedsizesamples="1" 
                   btemporalcompression="0" 
                   lsamplesize="0"> 
           <waveformatex wFormatTag="353" 
                         nChannels="1" 
                         nSamplesPerSec="11025" 
                         nAvgBytesPerSec="1252" 
                         nBlockAlign="581" 
                         wBitsPerSample="16" 
                         codecdata="002200002600D0060000"/> 
            </wmmediatype>
            </streamconfig>
    </profile> 
 