using UnityEngine;
using System.Collections;
using UnityEditor;
public class AudioSet : AssetPostprocessor {
	public void OnPreprocessAudio(){
		AudioImporter audioImport=assetImporter as AudioImporter;
		audioImport.format=AudioImporterFormat.Compressed;
		audioImport.threeD=false;
		audioImport.loadType=AudioImporterLoadType.CompressedInMemory;
		audioImport.compressionBitrate=64000;
		Debug.Log("audioImport:"+audioImport.compressionBitrate);
	}
}原文地址:http://blog.csdn.net/v_leg/article/details/46484469