An apparatus for determining a respiratory condition includes a breath sound measuring unit 111 measuring a breath sound passing through a subject's airway by a breathing; a frequency converting unit 132 converting a frequency on the breath sound to obtain a frequency spectrum; a respiratory synchronous...http://www.google.es/patents/US7981045?utm_source=gb-gplus-sharePatente US7981045 - Apparatus, method and computer program product for determining respiratory condition
Apparatus, method and computer program product for determining respiratory ...