0 1 We use pr software to operate. First, start the pr software, open the interface, create a new project, and enter the main operation interface.
Next, import the video. There are many ways to import videos. You can click File in the menu bar and click Import in the pop-up drop-down list. Open the Import Video dialog box; You can also press the shortcut key CTRL+I to open the Import Video dialog box.
In the Import dialog box, select the target video file. Then, click again: Open; Then, the video is imported into pr and displayed in the project panel.
Then, drag the video footage to the Sequence panel on the right. At this time, we can see that the sequence panel has automatically separated the video from the background music.
Hold down the ALT key, click the video with the mouse, and then press the DELETE key to delete the video, leaving only the background music.
06 and then bring up the export panel and set the format as mp3;; Check the audio. Click again: Export. Here, the operation is complete.