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
- 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
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