7 Replies Latest reply on Mar 6, 2018 10:41 PM by mcb1

    turning a robots head towards your voice

    skypickle

      Just as the amazon echo has an led ring that points to the source of your voice, i would like to drive a stepper motor that turns the robots head.

       

      As this would require a far field microphone array, i have found two boards that offer this functionality

       

      The respeaker microphone array

      https://www.amazon.com/gp/product/B071S2ZMSQ/ref=ox_sc_act_title_2?smid=A1YP59NGBNBZUR&psc=1

       

      the matrix creator

      https://www.matrix.one/products/creator

       

      So although

      I have basic arduino/rasbPi experience, I have no real hardware expertise. The speaker would require purchase of the core unit as well so it would be somewhat more expensive. But I do not know how to compare these two hardware platforms.

      Has anyone any familiarity with this hardware?

      Has anyone seen this problem solved before (so I dont need to reinvent the wheel)?

       

      I have investigated 'homegrown'solutions using individual mics whose signals are compared and using phase differences to determine a direction(the mic closer to the sound source gets the signal sooner). However, this is not accurate when identifying a sound impulse and requires a continuous or repeating sound.