PPT slides by switching sound into the background music method

1, the sound must be WAV format

2, the sound embedded in the PPT courseware, rather than the link to exist, will increase the storage volume of courseware, but also to a certain extent to solve the background music can not play the normal problem

3, the operation process is simpler

The following is a specific way to insert background music by switching sounds in a ppt slide:

1. Select the slide where you want to start inserting the background music and click the Toggle tab

2. Select sound: Other sound (sound file must be WAV format)

3. Select a live broadcast before inserting the next sound