For accessing the audio correctly, you need to install plugin.
1. Click to download a self-extracting EXE file, <$PLGNNA_EXE$>(<$PLGNNA_EXE_SIZE$>), to a temporary directory.
2. Then execute this setup program.
3. Select the correct \PLUGINS directory of your Netscape browser. Ex: C:\Program Files\Netscape\Communicator\Program\Plugins
4. After setup successfully, click and reload the page to view the video.