AudioListener.pause

The paused state of the audio. If set to True, the listener will not generate sound.

Similar to setting the volume to 0.0.

JavaScript

AudioListener.pause = true;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void Example() {
        AudioListener.pause = true;
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Example():
        AudioListener.pause = true