It is sometimes necessary or just useful to extract audio track from your video. This can be easily done using AVS Video Converter:

1. Start AVS Video Converter.
2. Choose an input file clicking the Browse... button. You can also simply drag and drop a file from Explorer into Input file name text box
3. Click the Advanced >> button to open the additional options.
4. Select the necessary audio track if there are several:

5. Now click the Edit button of the Top Toolbar. The Edit Input Files window will be opened.
6. Click the button and select the file name, a path and the format to save the extracted audio track:

   

   In case you trimmed some of the areas you should also select one of the options:
   • Save all audio (ignoring trim areas) - use this option to save all the audio into the output audio file including the audio within the areas of deletion.
   • Save without audio within trim areas - use this option to save only the audio that will be left after the trim effect is applied. All the audio within the trim areas will be excluded from the output audio file.
7. Click the Save button. The audio will be saved in the .mp3 or uncompressed .wav format depending on what you've selected.