freeDSP aurora

An open source and open hardware freeDSP board based on ADAU1452 with 8 analog I/O, S/P-DIF I/O, ADAT I/O, USB Audio, WiFi, Bluetooth.

It supports various and convenient physical addons and multiple software plugins, and is controlled by web interface.

Main features

• Analog Devices ADAU1452, 294.912 MHz, 32-bit SigmaDSP
  • 6144 SIMD instructions per sample @ 48kHz fs
  • 40kWords of data RAM
  • 800ms digital audio delay pool @ 48kHz fs
  • 8 stereo ASRCs with 139dB DNR
• XMOS XE216-512-TQ128 for multichannel bidirectional audio streaming
• ESP32 for WiFi or Bluetooth control
• AKM AK4458 32bit-DAC
• AKM AK5558 32bit-ADC
• Supporting sample rates between 44.1kHz and 192kHz
• 8 analog balanced input channels, +6dBu
• 8 analog balanced output channels, +6dBu
• S/P-DIF input and output
• ADAT input and output
• Wordclock input and output
• Support for display, rotary encoder, volume potentiometer, temperature sensor, PWM controlled fan, IR sensor
• One freeDSP expansion header
• USB Audio Class 2 Bidirectional streaming with 8 channels in and 8 channels out, full-duplex. Works with ASIO driver under Windows 10 and driverless under macOS and Linux.
• Realtime control software over WiFi or Bluetooth available under an open source license
• THD DAC: -103dB @ 1kHz, 0dBfs, fs=48kHz
• THD ADC: -101dB @ 1kHz, 0dBfs, fs=48kHz
• Latency: 1.125ms (talkthrough ADC->DSP->DAC)
• Board dimensions: 110mm x 110mm

MAIN COORDINATOR: dspverden

Contributing

Please take care on which branch you're currently working!

Branches:

• master - this branch always holds the latest released revision
• develop - this is the develop branch with new features. Please base your patches on this branch.

Build instructions |  |