1、电脑打开PremierePro。
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2、打开PremierePro后,打开要换背景音乐的视频。
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3、打开视频后,选中轨道上的视频,点击鼠标右键,点击取消链接。
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4、取消链接后,就可以单独选中音乐轨道。
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5、选中音乐后,按Del删除就可以了。
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6、从新把一段音乐拖进视频下方的轨道,然后调整就可以了。
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