Description
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
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