Patent ID: 7433475
Filing Date: 2008-10-07
Classification: H04N

Abstract:
1. An electronic device comprising: an acoustic wave gathering unit which converts an acoustic wave into an electrical signal; a first driving unit which operates in cycles; a first computing unit which averages in phase pluralities of acoustic data output from said acoustic wave gathering unit over a plurality of cycles of said first driving unit to obtain an average of acoustic data; a second driving unit which operates in cycles different from those of said first driving unit; a second computing unit which averages in phase pluralities of acoustic data output from said acoustic wave gathering unit over a plurality of cycles of said second driving unit to obtain an average of acoustic data; and a synthesizing unit which synthesizes in phase averages of the acoustic data output from said first and second computing units and acoustic data output from said acoustic wave gathering unit, wherein said first and second computing units perform an average operation by inputting the acoustic data to be supplied to said synthesizing unit.