Abstract: A method for generating output data identifying a class of a predetermined plurality of classes. The method comprises receiving data representing an acoustic signal; determining an amplitude of at least a first predetermined frequency component of said acoustic signal; and comparing the or each amplitude with a respective primary threshold; and generating output data identifying one of said classes to which said acoustic signal should be allocated, based upon said comparison.
Type:
Grant
Filed:
June 7, 2005
Date of Patent:
July 20, 2010
Assignee:
South Manchester University Hospitals NHS Trust
Inventors:
Ashley Arthur Woodcock, Jaclyn Ann Smith, Kevin McGuinness