Encoder

encodingencodersencodedencodeEncodesaltitude encoderdigitally encodedElectronic encodingencode-decodelinear optical encoder
An encoder is a device, circuit, transducer, software program, algorithm or person that converts information from one format or code to another, for the purpose of standardization, speed or compression.wikipedia
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Codec

codecsdecoderdecoders
A compressor encodes data (e.g., audio/video/images) into a smaller form (see codec)
A codec is a device or computer program for encoding or decoding a digital data stream or signal.

Code

encodingencodedencode
An encoder is a device, circuit, transducer, software program, algorithm or person that converts information from one format or code to another, for the purpose of standardization, speed or compression. * A device used to change a signal (such as a bitstream) or data into a code.
Electronic encoding transforms a signal into a code optimized for transmission or storage, generally done with a codec.

Encoder (digital)

simple encoder
A simple encoder assigns a binary code to an active input line.
A simple encoder or simply an encoder in digital electronics is a one-hot to binary converter.

Transcoding

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Transcoding
Transcoding is the direct digital-to-digital conversion of one encoding to another, such as for movie data files (e.g., PAL, SECAM, NTSC), audio files (e.g., MP3, WAV), or character encoding (e.g., UTF-8, ISO/IEC 8859).

Priority encoder

Encoderpriority encoded
Priority encoders establish the priority of competing inputs (such as interrupt requests) by outputting a binary code representing the highest-priority active input.
An example of a single bit 4 to 2 encoder is shown, where highest-priority inputs are to the left and "x" indicates an irrelevant value - i.e. any input value there yields the same output since it is superseded by higher-priority input.

Linear encoder

absolute encodersencoderslinear
A linear encoder similarly converts linear position to an electronic signal.
Encoder

Comparison of video codecs

video
Software for encoding audio, video, images, or text into standardized formats:

Character encoding

character setComputer encodingsencoding
Software for encoding audio, video, images, or text into standardized formats:

Data compression

compressionvideo compressioncompressed
A compressor encodes data (e.g., audio/video/images) into a smaller form (see codec)

Audio codec

audio codecsaudio codingcodec
An audio encoder converts analog audio to digital audio signals

Video decoder

video decodingvideo encoderdecoder
A video encoder converts analog video to digital video signals

Multiplexer

demultiplexermultiplexersMUX
A multiplexer combines multiple inputs into one output

8b/10b encoding

8b/10b8B10B8B/10B encoded
An 8b/10b encoder creates DC balance on a communication transmission line

Incremental encoder

incremental encoder interfacequadrature encoderencoder
The signal from an incremental encoder is cyclical, thus ambiguous, and requires counting of cycles to maintain absolute position within the travel range.

Rotary encoder

encoderabsolute encoderencoders
A rotary encoder converts rotary position to an analog (e.g., analog quadrature) or digital (e.g., digital quadrature, 32-bit parallel, or USB) electronic signal.

Integrated circuit

integrated circuitsmicrochipchip
* A device used to change a signal (such as a bitstream) or data into a code.

Signaling (telecommunications)

signalsignalingsignalling
* A device used to change a signal (such as a bitstream) or data into a code.

Bitstream

bit streambyte streambinary sequence
* A device used to change a signal (such as a bitstream) or data into a code.

Data

statistical datascientific datadatum
* A device used to change a signal (such as a bitstream) or data into a code.

Analog television

analoganalogueanalogue television
Television encoding: NTSC, PAL and SECAM