Title:
SYSTEM FOR DETECTION SECTION INCLUDING PARTICULAR ACOUSTIC SIGNAL, METHOD AND PROGRAM THEREOF
Document Type and Number:
WIPO Patent Application WO/2006/004050
Kind Code:
A1
Abstract:
There is provided a system for detecting a section including a particular acoustic signal, i.e., for detecting a section including an audio similar to a reference signal in an accumulated signal. The system includes: a reference signal spectrogram division unit for dividing the reference signal spectrogram into small-area reference signal spectrograms; a small-area reference signal spectrogram encoding unit for encoding the small-area reference signal spectrograms into reference signal small-area codes; a small-area accumulation signal spectrogram encoding unit for encoding the small-area accumulation signal spectrograms into accumulated signal small-area codes; a similar small-area spectrogram detection unit for detecting a small-area spectrogram similar to the small area reference signal spectrogram according to the code similarity; and a section similarity calculation unit for calculating the similarity between the section of the accumulated signal and the reference signal by using the small-area similarity.
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Inventors:
Nagano, Hidehisa c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kurozumi, Takayuki c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kashino, Kunio c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kurozumi, Takayuki c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kashino, Kunio c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Application Number:
PCT/JP2005/012223
Publication Date:
January 12, 2006
Filing Date:
July 01, 2005
Export Citation:
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (3-1 Otemachi 2-chome, Chiyoda-ku Tokyo, 16, 10081, JP)
Nagano, Hidehisa c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kurozumi, Takayuki c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kashino, Kunio c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Nagano, Hidehisa c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kurozumi, Takayuki c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
Kashino, Kunio c/o Ntt, Intellectual Property Center (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 18085, JP)
International Classes:
G10L15/10; (IPC1-7): G10L15/10
Attorney, Agent or Firm:
Shiga, Masatake (2-3-1, Yaesu Chuo-k, Tokyo 53, 10484, JP)
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