2. Set the music variable speed parameters and reasonably select the variable speed multiple. The larger the value, the faster the playback speed, and the smaller the value, the slower the music playback speed. You can also adjust the appropriate playback speed by selecting Customize.
3. After setting the speed control parameters, click the speed change button and wait for the music speed change progress display 100%.
4. Finally, click the More Operation button, select Open Directory, and play the generated variable speed file.