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Decoder may refer to:


  • Audio decoder converts digital audio to analog form
  • Binary decoder, digital circuits such as 1-of-N and seven-segment decoders
  • Decompress (compression decoder), converts compressed data (e.g., audio/video/images) to an uncompressed form
  • Instruction decoder, an electronic circuit that converts computer instructions into CPU control signals
  • Quadrature decoder, converts signals from an incremental encoder into counter control signals
  • Video decoder, converts base-band analog video to digital form


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