AudioRolloffMode.Logarithmic 对数

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(AudioSource))]
	public class example : MonoBehaviour {
	void Awake() {
		audio.rolloffMode = AudioRolloffMode.Logarithmic;
	}
}

// Sets the rolloff of the audio source attached to
// this script to Logarithmic.
//设置音频源以对数方式衰减
@script RequireComponent(AudioSource)

audio.rolloffMode = AudioRolloffMode.Logarithmic;