AudioControl Firmware

AudioControl
6 products

Audio Amplifier

ACP-BIJOU5100D Version 1.56 (April 08, 2026)
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DSP: 1.31
MCU: 1.56

MCU1.56/DSP1.31 040826:
Added modified CEC routines targeting especially LG latest models.

Version 1.55 (March 30, 2026)
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DSP: 1.31
MCU: 1.55

Changed

  • Revamped signal sense / priority algorithms for higher sensitivity

Added

  • Dante output speaker configuration: a decoded channel pair can be routed to the Dante network, expanding total channel count
  • Dante volume follow / fix
  • Optional Sony eARC CEC compatibility mode
ACP-BIJOU2100 Version 1.56 (April 08, 2026)
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DSP: 1.22
MCU: 1.56

MCU1.56/DSP1.22 040826:
Added modified CEC routines targeting especially LG latest models.

Version 1.55 (March 30, 2026)
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DSP: 1.22
MCU: 1.55

Changed

  • Signal sense / priority algorithms tuned for higher detection sensitivity

Added

  • Optional Sony eARC CEC compatibility mode
  • eARC CDS audio format selection: 5.1 surround, 2.0 stereo
ACP-BIJOU3100 Version 1.56 (April 08, 2026)
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DSP: 1.22
MCU: 1.56

MCU1.56/DSP1.22 040826:
Added modified CEC routines targeting especially LG latest models.

Version 1.55 (March 30, 2026)
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DSP: 1.22
MCU: 1.55

Changed

  • Signal sense / priority algorithms tuned for higher detection sensitivity

Added

  • Optional Sony eARC CEC compatibility mode
  • eARC CDS audio format selection: 5.1 surround, 2.0 stereo

Audio Processor

ACP-HYPE-AXIS-10 Version 1.20 (April 22, 2026)
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DSP: 1.18
MCU: 1.20

Addressed certain latest model LG TV compatibility issues.
Improved CEC command protocol coverage

Version 1.18 (March 13, 2026)
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DSP: 1.18
MCU: 1.18

Fixed: removing digital cable abruptly would sometimes result in noise

Version 1.17 (March 11, 2026)
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DSP: 1.18
MCU: 1.17

Fix PCM 192kHz corner frequency. Add CEC compatibility mode. Add test tone 500Hz-2kHz band-limited option as default. Changed downmix channel volume matched to other channels.

Version 1.16 (February 25, 2026)
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DSP: 1.17
MCU: 1.16

ACP-HYPE-AXIS-16 Version 1.20 (April 22, 2026)
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DSP: 1.18
MCU: 1.20

Addressed certain latest model LG TV compatibility issues.
Improved CEC command protocol coverage

Version 1.18 (March 13, 2026)
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DSP: 1.18
MCU: 1.18

Fixed: removing digital cable abruptly would sometimes result in noise

Version 1.17 (March 11, 2026)
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DSP: 1.18
MCU: 1.17

Fix PCM 192kHz corner frequency. Add CEC compatibility mode. Add test tones 500Hz-2kHz band-limited option as default. Changed downmix channel volume matched to other channels.

Version 1.16 (February 25, 2026)
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DSP: 1.17
MCU: 1.16

ACP-AXIS2 Version 1.17 (February 25, 2026)
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MCU: 1.17

Volume range curve is tuned for louder operation. Improved eARC handshake across different TV models.