Transmission of stream video in low latency
The present invention is a new and innovative system and method for the stream transmission of video data. The disclosed invention enables a significant reduction in latency and in start decoding and displaying parameters in the transmission of the video data in comparison with existing stream video transmission methods. According to the some embodiments of the present invention each frame or each field is sliced into a predetermined number of slices. Each slice is compressed separately, using standard video compression technologies. The compressed slices are then compounded together before being transmitted over the communication network. On the receiving end the frame is reassembled and decompressed. Finally the frame is recomposed accordingly and filtered to provide a high quality video image.
1. A method for transferring real-time video of at least two video sources through a communication network, wherein said stream is compressed using standard codec technique, said method comprising the step of:
dividing each video frame into a predetermined number of slices, wherein each slice is compressed separately; and
transmitting a reference frame relating to at least one video frame slice,
wherein the at least two video streams from different sources are transmitted simultaneously, further comprising the step of transmitting the reference frame of one video source at the same stream of a second video source stream,
wherein each slice is compressed separately at different point of time,
wherein the transmitting is carried out at a different point of time.
2. The method of claim 1 , further receiving the at least two video streams from different video stream sources.
3. A method of maximizing throughput effectiveness and minimizing constant bitrate and latency in real-time video streaming, the method comprising:
dividing each frame of a video stream comprising a sequence of frames into a plurality of slices on the transmitting end;
marking a slice in each frame of the video as a reference frame;
compressing each one of the plurality of slices into compressed slices;
multiplexing, over a time frame, groups of the compressed slices into compound units located at different points along the time frame, as preparation for transmitting, to yield flatten bursts of data representing the compound units; and
transmitting the compound units of at least two video sources to the receiving end.
4. The method according to claim 3 , wherein the dividing, marking, compressing and multiplexing over a time frame is of at least two video streams from different sources which are transmitted simultaneously, further transmitting a reference frame of one video source at the same stream of a second video source stream.
5. The method according to claim 3 , further demultiplexing and decompressing the compound units on the receiving end using the reference frame.