1，首先快捷键“Ctrl+I”调出素材框，按住“Ctrl”选中需要的视频和音频。/iknow-pic.cdn.bcebos.com/c2cec3fdfc039245c6cb7a7e8894a4c27d1e2540"target="_blank">/iknow-pic.cdn.bcebos.com/c2cec3fdfc039245c6cb7a7e8894a4c27d1e2540?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/c2cec3fdfc039245c6cb7a7e8894a4c27d1e2540"/>2，点击“打开”，将视频文件拖入剪辑区。/iknow-pic.cdn.bcebos.com/0dd7912397dda1440270f7c3bdb7d0a20cf48642"target="_blank">/iknow-pic.cdn.bcebos.com/0dd7912397dda1440270f7c3bdb7d0a20cf48642?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/0dd7912397dda1440270f7c3bdb7d0a20cf48642"/>3，右键单击，点击“取消链接”。/iknow-pic.cdn.bcebos.com/37d3d539b6003af39a3344113a2ac65c1038b632"target="_blank">/iknow-pic.cdn.bcebos.com/37d3d539b6003af39a3344113a2ac65c1038b632?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/37d3d539b6003af39a3344113a2ac65c1038b632"/>4，将下方音频删除，拖入事先准备好的音频。/iknow-pic.cdn.bcebos.com/574e9258d109b3de751b7f19c3bf6c81800a4c1f"target="_blank">/iknow-pic.cdn.bcebos.com/574e9258d109b3de751b7f19c3bf6c81800a4c1f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/574e9258d109b3de751b7f19c3bf6c81800a4c1f"/>5，右键单击该“音频”，点击“速度/持续时间?”，快捷键“Ctrl+C”复制音频持续时间，点击“确定”。/iknow-pic.cdn.bcebos.com/728da9773912b31bfca856588918367adbb4e1ff"target="_blank">/iknow-pic.cdn.bcebos.com/728da9773912b31bfca856588918367adbb4e1ff?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/728da9773912b31bfca856588918367adbb4e1ff"/>6，右键单击视频素材，点击“速度/持续时间?”，将持续时间粘贴在里面，点击“确定”。/iknow-pic.cdn.bcebos.com/9825bc315c6034a8819623f0c41349540923764f"target="_blank">/iknow-pic.cdn.bcebos.com/9825bc315c6034a8819623f0c41349540923764f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/9825bc315c6034a8819623f0c41349540923764f"/>7，快捷键“Ctrl+M”调出“导出设置”，选择保存路径和名称，点击“导出”即可完成操作。/iknow-pic.cdn.bcebos.com/241f95cad1c8a7863572d07f6809c93d70cf5063"target="_blank">/iknow-pic.cdn.bcebos.com/241f95cad1c8a7863572d07f6809c93d70cf5063?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"wqktp="https://iknow-pic.cdn.bcebos.com/241f95cad1c8a7863572d07f6809c93d70cf5063"/>
