GAVEL

8-microphone array

Description

The GAVEL™ by Kardome is an 8-microphone array designed for applications such as voice user interface (VUI), acoustic surveillance, acoustic radar, hearing aids research, conference calls and sound fields analysis.

 

8 synchronous omnidirectional high-performance microphones are arranged on a surface of a circular board with radius 90 mm. 6 microphones are equispaced on the perimeter, and 2 at the centre.

The deployment of the 8 microphones is suitable for a range of array processing algorithms including beamforming, interferometry, source localization, space-time adaptive processing (STAP), NULL steering and matched-filed processing (MFP).

 

A dedicated SW library is provided, which includes a convenient API for the USB communication and for embedded processing of the microphones signals. This library can be naturally integrated into your C code for the ADSP-SC589.

(Front Panel)

(Back Panel)

Features

  • ADSP-SC589

  • 8-microphone array

  • High-performance SiSonic™ MEMS microphones by Knowles™

  • Low Distortion of 2.2% at 115dB SPL

  • Signal-to-Noise Ratio of 64.5dB(A)

  • Flat Frequency Response 20 Hz – 20 kHz

  • 20 bit @ 48 kHz

  • USB Audio Class 2.0 driver for Windows

  • 8 audio channels

  • Multiple OS USB support: Windows, macOS

  • Powered by USB port

  • 4 debug LEDs

  • 1 multi-purpose push buttons

  • 1 reset push button

  • API for CrossCore™ Embedded Studio

  • Matlab™ reference design software

Specifications

Mechanical dimensions

Diameter 90 mm

Weight 33 g

 

Electrical specifications

Current consumption  400 ± 100 mA @ 5V

Operating voltage  5 ± 0.5 V

 

Environment specifications

Operating temperature  0o to 70oC

Relative humidity  0% to 80%, non-condensing

 

Connectors

USB  Micro USB

JTAG  10 position 0.050" (1.27mm

Mechanical dimensions

Diameter 90 mm

Weight 33 g

 

Electrical specifications

Current consumption  400 ± 100 mA @ 5V

Operating voltage  5 ± 0.5 V

 

Environment specifications

Operating temperature  0o to 70oC

Relative humidity  0% to 80%, non-condensing

 

Connectors

USB  Micro USB

JTAG  10 position 0.050" (1.27mm)

ADSP-SC589

Computing power  2 X 3 GFLOPS (2 SAHRC cores)

Accelerators

  • FFT/IFFT 20 GFLOPS, 5 uses per 1K-pt FFT

  • FFT/IFFT

Memory

  • DDR3  2 X 2Gb

  • FLASH  128 Mb

JTAG  ICE-1000/ICE-2000

Development tools

CrossCore® Embedded Studio

CrossCore® Embedded Utilities

SigmaStudio™

©2019 | KARDOME Technology | Mazor, Israel.