Joint coding and decoding device and method for source channel
A codec and encoder technology, applied in baseband systems, digital transmission systems, electrical components, etc., can solve the problems of codec complexity, low channel resource utilization, lack of practicability, etc., and achieve low codec delay. , high encoding rate, low complexity effect
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[0027] The present invention will be further described below in conjunction with illustrations.
[0028] Such as image 3 As shown in the encoder A of the present invention, its main body is mainly composed of an input source message vector buffer 1, an encoding index generator 2, a reconstructed source message memory 3, a channel signal power and other encoding parameter memory 4, and a channel signal output unit 5. The coded channel signal memory 6 constitutes. The input of the entire encoder includes the source message sample value serial input x i , Input synchronization pulse syn_pl_in, system reset signal rst, system clock sys_clk, in which the system reset signal rst and system clock sys_clk are also connected to the code index generator 2 and the channel signal output unit 5 for system reset and drive clock; encoder output includes Channel signal serial output j And the code output synchronization pulse signal syn_pl_encode. When the rst reset signal is valid, the encoder ...
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