1、打開格式工廠，點擊輸出音頻MP3。
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2、點擊輸出音頻MP3後，點擊右上角的添加文件。
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3、添加要剪切的音頻後，點擊截取片段。
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4、進入截取片段頁面，在下方設置要截取的片段。
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5、設置好之後，點擊右上角的確定截取片段。
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6、最後點擊確定輸出音樂就可以了。
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