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In the process of encoding, the sender (i.e. encoder) uses verbal (e.g. words, signs, images, video) and non-verbal (e.g. body language, hand gestures, face expressions) symbols for which he or she believes the receiver (that is, the decoder) will understand. The symbols can be words and numbers, images, face expressions, signals and/or actions.
Encoding, in semiotics, is the process of creating a message for transmission by an addresser to an addressee. The complementary process – interpreting a message received from an addresser – is called decoding .
A General encoder's block diagram. An encoder (or "simple encoder") in digital electronics is a one-hot to binary converter. That is, if there are 2 n input lines, and at most only one of them will ever be high, the binary code of this 'hot' line is produced on the n-bit output lines. A binary encoder is the dual of a binary decoder.
The communication process cannot work without all its three major parts: the sender/encoder, the transmitter/medium, and the receiver/decoder. If there is no sender/encoder, then nobody crafts the beginning message(s) to send out. If there is no medium/transmitter to put the message through, then the message cannot be delivered to the receiver ...
A bitstream format is the format of the data found in a stream of bits used in a digital communication or data storage application. [1] The term typically refers to the data format of the output of an encoder, or the data format of the input to a decoder when using data compression.
Audio encoder, converts digital audio to analog audio signals; Video encoder, converts digital video to analog video signals; Simple encoder, assigns a binary code to an active input line; Priority encoder, outputs a binary code representing the highest-priority active input; 8b/10b encoder, creates DC balance on a communication transmission line
A convolutional encoder is a discrete linear time-invariant system. Every output of an encoder can be described by its own transfer function, which is closely related to the generator polynomial. An impulse response is connected with a transfer function through Z-transform. Transfer functions for the first (non-recursive) encoder are:
FEC processing in a receiver may be applied to a digital bit stream or in the demodulation of a digitally modulated carrier. For the latter, FEC is an integral part of the initial analog-to-digital conversion in the receiver. The Viterbi decoder implements a soft-decision algorithm to