information theory Information theory is the scientific study of the quantification, storage, and communication of information. The field was originally established by the works of Harry Nyquist and Ralph Hartley, in the 1920s, and Claude Shannon in the 1940s. ...

, joint source–channel coding is the encoding of a redundant information source for transmission over a noisy channel, and the corresponding

decoding Decoding or decode may refer to: is the process of converting code into plain text or any format that is useful for subsequent processes. Science and technology * Decoding, the reverse of encoding * Parsing, in computer science * Digital-to-analog ...

, using a single code instead of the more conventional steps of

source coding In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original representation. Any particular compression is either lossy or lossless. Lossless compressio ...

followed by channel coding. Joint source–channel coding has been proposed and implemented for a variety of situations, including speech and videotransmission.

References

Information theory Fault tolerance {{tech-stub