freeDSP-OCTAVIA

8ch Output ADAU1452/1466 DSP Board with Analog/COAX/OPT/USB/Raspberry-Pi Input

Version 1.2 is the latest commit.
version 0.33j board is evaluated and it worked, but it requires some workarounds. 0.33j_Fixed is a fixed design of 0.33j, So I recommend you build the latest version 1.2 or 1.1
https://github.com/freeDSP/freeDSP-OCTAVIA/wiki/Errata-and-Workarounds

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Features:

• ADAU1452/1466 DSP for 2 in 8 out Audio Processing
• RCA-pin Analog Input
• Coaxial S/PDIF Input
• Optical S/PDIF Input
• Optical S/PDIF Output
• Optional Amanero Combo384 USB-Audio Interface Slot
• DSD mute protection for Amanero Combo384
• Optional Raspberry-Pi 40P Slot for I2S Audio Input
  (Raspberry-pi is optional, It is not necessary if you have a USBi for DSP programming)
• Optional Raspberry-Pi I2C Connection to DSP
• On-board power supply for Raspberry Pi with shutdown control
• Restart/Shutdown button for Raspberry-Pi
• Independent Power switch for Raspberry-Pi
• Mains Power switch linked with Raspberry-Pi
• Common mode filtered Reverse voltage protection for Burrel DC Input
• IR Remote sensor for Raspberry-Pi
• R/G/B Power Status indicator LED
• Extra I2S Inpt header for external ADC(i.e. Phono) input source
• 8-channel RCA-pin Differential or Unbalanced Audio Output
• Balanced Output header for XLR output Connection
• 4 + 1(Master) Rotary Pots for AUX-ADC
• 4 steps + 1 mute level control Rotary switched Voltage Source for Input source selection
• LED source position indicator output header
• I2C(0x70) connected USBi Interface with Bus-switch
• 2 LED indicators controlled by MP6 and MP7
• DSP Reset button
• Optional simple Unblanced RCA-pin output implementation capability

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LINKS:

Wiki Page
https://github.com/freeDSP/freeDSP-OCTAVIA/wiki

Discussion Forum:
https://www.diyaudio.com/community/threads/freedsp-octavia.393804/

Project Web-page:(Yandex Machine Translation)
Yandex Machine Translation

Project Web-page:(Google Machine Translation)
Google Machine Translation

Project Web-page:(Original Japanese Page)
https://cyberpithilo.web.fc2.com/audio/FreeDSP_OCTAVIA/octavia_main.html