US Patent 7416531 System and method of detecting and processing physiological sounds

A system and method for detecting and processing physiological sounds. The method includes sensing physiological sounds to acquire analog physiological signals, where the acquired analog physiological signals corresponding to basic heart sounds and sounds of interest. A predetermined frequency range of the acquired analog physiological signals that encompasses the sounds of interest are amplified, where at least a portion of the predetermined frequency range is higher than another frequency range of the acquired analog physiological signals that encompasses the basic heart sounds.