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2，點擊“打開”，將視頻文件拖入剪輯區。
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3，右鍵單擊，點擊“取消鏈接”。
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4，將下方音頻刪除，拖入事先準備好的音頻。
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5，右鍵單擊該“音頻”，點擊“速度/持續時間?”，快捷鍵“Ctrl+C”復制音頻持續時間，點擊“確定”。
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6，右鍵單擊視頻素材，點擊“速度/持續時間?”，將持續時間粘貼在裏面，點擊“確定”。
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7，快捷鍵“Ctrl+M”調出“導出設置”，選擇保存路徑和名稱，點擊“導出”即可完成操作。
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