回音壁后环绕是不是音量越大越好，后环绕音量应该多少才合适？
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| THUMBNAILS | |||
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JPEG | Origin Image | Download |
水一期问答关于新手在贴吧上经常问到的问题，视频中的声道测试片段下载地址：通过百度网盘分享的文件：Dolby.AT…等3个文件
链接:https://pan.baidu.com/s/1M9qJosvjZPM4wYFs-EA1sw?pwd=ek82
提取码:ek82
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链接:https://pan.baidu.com/s/1M9qJosvjZPM4wYFs-EA1sw?pwd=ek82
提取码:ek82
复制这段内容打开「百度网盘APP 即可获取」
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