Bitrate
This parameter controls the audio bitrate.
Sampling
This parameter controls what the source media Audio rate is. Nearly all DVD's are 48000.
Channels
This allows to you specify if your video file will be 2 channel (Stereo) or 6 channel audio (5.1)
Normalize Sound
This option will attempt to create a 'easy to listen to' level of volume within the output video file
Adjust Volume
This option allows you to increase the volume within the output video file. (1 - 10)
Audio Delay
Adds an Audio Delay (in secs). Negative values delay the audio, Positive values delay the video. The values can range from -5.0 to +5.0. You can enter fractions of seconds. i.e. 0.2