ROC-RK3308-CC Far-field Microphone Array Board

ROC-RK3308-CC Far-field Microphone Array Board is a 6 microphone expansion board for ROC-RK3308-CC designed for AI and voice applications.

Including 6 digital microphones, 12three-color LEDs, 5keys, it supports keyword wakeup, echo cancellation and noise reduction, VAD (Voice ActivationDetection) and soundsource location etc., which can significantly improve the accuracy and precision of automatic speechrecognition.

• Module pattern: Circular
• Number of array element: 6
• Module size: Diameter of 86mm
• Wakeup distance: > 20m
• Identification distance: > 5m
• Signal-to-noise ratio: SNR > 63dB
• Operating temperature: -20°C - 80°C
• Sound source location: Horizontal 360°
• Location accuracy: ±12°

Support keyword wakeup, sound source location, noise suppression and VAD