Due to the size of the display and the limitation of MCU resources, the number of multi-screen sprites generally does not exceed 16 sprites, otherwise the image is too small and the picture will not be clear.
In video systems, anti-packet loss algorithms mainly include forward error correction FEC and packet loss retransmission AQR.
Response messages are used to respond to request messages that indicate the status of success or failure of a call, and different types of response states are distinguished by status codes, which contain
three-digit integers, the first bit of the status code Used to define the response type, the other two digits are used to further explain the response in more detail. ( )
Direct sound refers to the sound signal that reaches the listener directly from the sound source, and the meeting requirements are mainly direct sound.