1. Open the cool editing Pro software, which is available in many free versions online.
2. Next, add the audio file to be synthesized to Coolpad Edit Pro software and click the "Open File" button in the upper left corner.
3. Select a file and take Farewell to Cambridge as an example to open it.
4. Hold down the left mouse button and drag the audio files to track 1 and track 2 respectively. When adjusting the position, hold down the right mouse button on the audio block and drag to adjust.
5. If you want to cut a part of the audio, for example, only the part before 2 minutes 13 seconds of background music is kept here, then double-click the background music to switch to the waveform editing interface, select the part after 2 minutes 13 seconds, and right-click "Cut".
6. Click the "Switch to multi-track interface" button in the upper left corner or press F 12 to return to the multi-track interface. Listen to the audio. If appropriate, you can reduce the volume of the audio. Right-click the track/Adjust Audio Block Volume to adjust the volume.
7. Save the synthesized audio. Click "File"/"Save as Hybrid" and select the format and location for saving. Complete the synthesis of poetry reading and background music.