The present invention is a detection system of a segment including specific sound signal which detects a segment in a stored sound signal similar to a reference sound signal, including: a reference signal spectrogram division portion which divides a reference signal spectrogram into spectrograms of small-regions;...http://www.google.com.au/patents/US7860714?utm_source=gb-gplus-sharePatent US7860714 - Detection system for segment including specific sound signal, method and program for the same
