AUTOMATIC MIC ADJUSTMENT USING DC MOTOR

Raja T, Thilagavathi B

Abstract: Beamforming theory is used to measure the phase angle between two input signals. Automatic adjustment of height and position of MIC using dc motors. Horizontal and vertical DC motors are attached with the mic. Microphone array signal processing is to enhance and extract information carried by acoustic waves received from a number of microphones. Differently placed microphones are receiving more or less the same signal but with a small time shift. The time delay estimation is calculated using LabVIEW software

Keywords: MEMS microphones, beamforming, source localization, DC motor

DOI: https://doi.org/10.15623/ijret.2015.0402055