Search for Jinbo software through search engine first, download and install it after finding it, and double-click to start Jinbo software after installation. In order to find some common functions, it is recommended to download the Chinese version.

2. Enter the main interface of Jinbo, execute the open command, and the window for opening the sound file will pop up. Select all files in the file type, find the location of the files, and then click the Open button.

3. Click the zoom button in the toolbar repeatedly to enlarge it, then click the play button and listen repeatedly to find the location of the noise until you find and write it down.

4. Right-click the noise start position, select the option of setting start mark in the drop-down menu, right-click the noise end position, and select the option of setting end mark in the drop-down menu.

5. In this way, a noise is selected, right-click the noise, and select the copy command from the drop-down menu to copy the noise to the pasted version.

6. Next, select the Select All button in the toolbar to select the entire audio. Click the Noise Reduction button in the toolbar to open the Noise Reduction dialog box. In this dialog box, select "Use Clipboard" and select the clipboard noise version in the preset.

7. In this way, audio and video are displayed on different tracks. Select the audio on the audio track, then right-click and select the delete command in the drop-down menu to delete it.