Creating Audio Sources
Audio Sources don't do anything without an assigned Audio Clip. The Clip is the actual sound file that will be played back. The Source is like a controller for starting and stopping playback of that clip, and modifying other audio properties.
To create a new Audio Source:
1. Import your audio files into your Unity Project. These are now Audio Clips.
2. Go to GameObject->Create Empty from the menubar.
3. With the new GameObject selected, select Component->Audio->Audio Source.
4. Assign the Audio Clip property of the Audio Source Component in the Inspector.
Properties
Audio Clip - Reference to the sound clip file that will be played
Play On Awake - If enabled, the sound will start playing the moment the scene launches. If disabled, you need to start it using the Play() command from scripting.
Volume - How loud the sound is at a distance of 1 world unit (1 meter) from the Audio Listener.
Pitch - Amount of change in pitch due to slowdown/speed up of the Audio Clip. Value 1 is normal playback speed.
Min Volume - The minimum value of the sound. No matter how far away you get, the sound will not get softer than this value.
Max Volume - How loud the sound gets at the loudest. No matter how close you get, the sound will never get louder than this value.
Rolloff Factor- How fast the sound fades. The higher the value, the closer the Listener has to be before hearing the sound.
Loop - Enable this to make the Audio Clip loop when it reaches the end.
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