1. Set directly through the Tik Tok application: open the Tik Tok application and log in to the account. Enter the live room page, click the+icon in the lower right corner and select "Photo". Select and upload the picture you want as the background picture of your mobile phone album. After the picture is uploaded, click on the picture and select "Set as Live Room Background". Adjust the position and size of the picture to ensure it is suitable for the background of the live broadcast room. After confirming the settings, exit the settings page, and you can see the picture just uploaded as the background picture in the live broadcast room.
2. Use the green screen assistant software settings: prepare a pure, flat and wrinkle-free green screen to build a live broadcast room. Download and install green screen assistant software, such as free coffee screening green screen live broadcast software. In the green screen assistant software, import background pictures or videos prepared in advance. Adjust the shooting angle of the camera and the distance between the person and the background to ensure that the keying effect is clean and natural. When the live broadcast starts, the green screen assistant software will automatically switch the background. During the live broadcast, parameters such as background and lighting can be adjusted at any time as needed to achieve the best live broadcast effect.