Biographical Information
            
            
        
            Articles by Timothy Wickstrom 
    
        
            Choosing the Best Headset Microphone
        
        
            
                
                    30 Aug 1998
        
        
            A quality noise canceling headset is needed to realize the full potential of today's speech recognition software in an office or warehouse environment. The best of these headsets are gradient microphones of order one - a technology which dates to the velocity microphones of the 1930s. The physics of gradient microphones were described by Harry F. Olsen in 1946.