Specific steps: 1. First, we turn on the mobile phone and enter the desktop, then find the Tik Tok icon and click Open. After entering the video playback interface, we click the plus sign below. 2. Then we will enter the video shooting interface. We first adjust the direction of the camera, and then choose the special effects we want to use. Then you can click the shoot button below to shoot. 3. While we are shooting, we should also sing. After recording, you can click the tick below to finish. 4. Next, we will enter the interface of selecting the soundtrack, and we will click the Select the soundtrack button in the upper right corner. Then we can choose a background music for our songs. 6. Next, we need to set the sound level of the background music below, so as not to cover our own singing. 7. Then we can click the Next button in the lower right corner of the interface. Then you can publish short videos or save our short videos.

microphone, the scientific name of which is microphone, is translated from English Microphone, also known as microphone and microphone. Microphone is an energy conversion device that converts sound signals into electrical signals. There are moving coils, capacitors, electrets and newly emerging silicon microphones, as well as liquid microphones and laser microphones.