** Note of HRTF 3D Positional Sound Animation Demo:

1.You can play the animation file 'subway.dat' by Active Movie or 
 other animation players.

2.Please make sure that your animation player audio output format
 is stereo. 44KHz 16bit stereo is recommended.(If your PC is not
 up to this,sound discontinuity may occur. Hence please reduce 
 sampling rate to 22K.)

3.The surround function must be turned off to avoid confusion.

4.Using loud speakers is recommended.

5.The left and right speakers can not be placed reversely, and they 
 must be placed in equal distance from you.


P.S.:
 * Adjust audio output format flow of Active Movie:
   1. Click on the right button of the mouse on Active Movie window.
   2. Select the 'Properties' item.
   3. Select the 'Advance' page.
   4. Double click on 'MPEG Audio Codec' item.
   5. Set the channel to stereo, and quality to CD(sampling rate is 44KHz)
      ,click on the 'set to default' button,and press the 'OK' button.
 * Adjust audio output format flow of XingMPEG Player:
   1. Load the animation file first.
   2. Select 'Playback' in 'Settings'.(You must stop playing!)
   3. Click on the 'MPEG Driver Setup' button.
   4. Set the audio channel to stereo,and quality to 44KHz,
      and then click on the 'OK' button.