Head-Related Transfer Function (HRTF)

Introduction The human beings perceive sound in three dimensions. Localization of sound depends on the way the sound waves from the same source differ from each other as they reach the left and right ear. The head, torso, shoulders and the outer ears modify the sound...

Digital Processing of Photoplethysmographic Blood Volume Pulse

Objective A finger photoplethysmographs (PPG) is a non-invasive transducer to measure the relative changes of blood volume in a subject’s finger. The wave form obtained from such transducer represents the Blood Volume Pulse (BVP) of the subject. This signal has...

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