Rendering device: the device used for video rendering. If there are more than one graphics card, try to choose high-performance graphics card.
Delay: set the video delay time in milliseconds. If the audio and video are out of sync, adjust it through this parameter.
Rendering device: the device used for audio rendering. Generally, choose an idle audio device. If there is no idle audio device, you can use a virtual sound card.
Monitoring equipment: audio monitoring equipment, which can be speaker, headset or monitor audio equipment. Select "default" to use the audio output device set by the system.
Delay: set the audio delay time in milliseconds. If the audio and video are out of sync, adjust it through this parameter.
Gain: sets the audio output volume. If the output volume is too low, increase the volume appropriately.
General settings are global settings and are valid for all projects.