introlab / 16SoundsUSB

16 Synchronized Inputs USB (UAC2) Sound Card Based on XMOS xCORE-200

16SoundsUSB - 16 Synchronized Inputs USB (UAC2) Sound Card.

Authors

• Vincent-Philippe Rhéaume
• Dominic Létourneau
• Cédric Godin

We designed this sound card to work with our ODAS sound source localization, tracking and separation library. You can also have a look at the ODAS GUI application.

• Please contact us if you need an already assembled 16SoundsUSB kit.

Latest Release

• 16SoundsUSB REV 1.0
  • 16SoundsUSB_Schematic
  • 16SoundsUSB_PCB_Fab_Assembly

Features

• 16 Synchronized Differential Inputs :
  • 2 x Cirrus Logic CS5368 high quality ADC (16 channels)
• 4 Synchronized Single Ended Outputs :
  • Cirrus Logic CS4384 high quality DAC (4/8 channels used)
  • 2 Analog stereo outputs - 3.5 mm jack output format, 600Ω source impedance
• Low-Jitter Master Clock :
  • Cirrus Logic CS2100 clock generator and clock multiplier/jitter-reduced clock frequency synthesizer
• XTAG programming port
• Expansion header :
  • I2C-SDA, I2C-SCL, GPIO, GND, 5.6V (output of boost switching pre-regulator)
• Supported Sampling Rates :
  • 8kHz, 11.025kHz, 16kHz, 22.050kHz, 32kHz, 44.1 kHz, 48 kHz, 88.2kHz, 96 kHz
• Power :
  • USB Powered or
  • External 5V power supply
  • Measured current draw at 5V input for standard firmware: 600mA
• Supported Operating Systems :
  • Mac OSX, Linux, Windows 10 (UAC2 not working yet)
• Hand assembly is possible :
  • Mostly TQFP, SOIC packages on-board. Solder paste and heat gun recommended for 2 DFN-6 packages.

Pictures

Regulatory Compliance

Please read the Regulatory Compliance Wiki Page.

License

Creative Commons Attribution Share Alike 4.0

Microphones

Compatible Electret and MEMS microphones

Acknowledgements

The design is based on the XMOS xCORE-200 Multichannel Audio Platform. This project is supported by IntRoLab - Intelligent / Interactive / Integrated / Interdisciplinary Robot Lab, Sherbrooke, Québec, Canada.