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CXD2728Q - Single-Chip Dolby Pro Logic Surround Decoder

Description

The CXD2728Q is a CMOS LSI developed for Dolby Pro Logic Surround.

Features

  • Dolby Pro Logic Surround decoding with a single chip.
  • 2-channel 1-bit AD converter and decimation filter.
  • 4-channel 1-bit DA converter and oversampling filter.
  • 32K-bit SRAM for short delay.
  • No separation or other variance for digital processing.
  • External parts reduced due to the built-in AD/DA converters Functions.
  • Adaptive matrix.
  • Center channel mode control (Normal/Phantom/Wide).
  • Dolby 3 Stereo.
  • Auto inp.

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CXD2728Q Single-Chip Dolby Pro Logic Surround Decoder Description The CXD2728Q is a CMOS LSI developed for Dolby Pro Logic Surround. A SRAM for short delay and AD/DA converters are built in, and all functions necessary for Dolby Pro Logic Surround such as an adaptive matrix, a passive decoder including Modified Dolby B-type NR, auto input balance, a noise sequencer and center channel mode control are contained on a single chip. Further, this LSI also supports Dolby 3 Stereo and Virtual Dolby Surround.
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