DYNAMIC RATE CONTROL ALGORITHM FOR HIGH DEFINITION VIDEO CONFERENCING

摘要

A computer-implemented method is provided for controlling an encoder that is particularly suited for high definition video conferencing. The method includes: receiving an average allowance of bits for encoding a data frame; receiving a burst allowance for data encoded by the encoder, where the burst allowance specifies a variance above the average allowance for a given time period; determining bits needed to encode an incoming data frame; comparing the bits needed to encode the incoming data frame to the average allowance of bits; computing a bit allowance for the incoming data frame using the bits needed to encode the incoming data frame and the burst allowance when the bits needed to encode the incoming data frame exceeds the average allowance of bits; computing a quantization parameter for the incoming data frame using the bit allowance for the incoming data frame; and providing the quantization parameter to the video encoder.