Method and apparatus for classifying signals method and...

Details Method and apparatus for classifying signals method and... Method and apparatus for classifying signals method and...

2006-01-24

2006-01-24

Abebe, Daniel (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S230000

Reexamination Certificate

active

06990443

ABSTRACT:
The input signal can be quickly and accurately classified and a descriptor can be generated according to the result of classification. Then, the input signal can be retrieved on the basis of the result of classification or the descriptor. A signal processing apparatus comprises a time block splitting section3for splitting an audio signal into blocks that are typically 1 second long, a feature extracting section4for extracting a characteristic quantity of 18 degrees on the signal attribute from the audio signal in each block and a vector quantizing section5for carrying out an operation of categorical classification for the audio signal of each block by means of a vector quantization technique that uses a VQ code book8and a characteristic vector formed from the characteristic quantity of 18 degrees. The vector quantizing section5outputs a classification label obtained as a result of the categorical classification and a descriptor indicating the reliability of the label. If a signal retrieving operation is conducted in the downstream, the result of the classification or the descriptor is used for the signal retrieval.

REFERENCES:
patent: 6006179 (1999-12-01), Wu et al.
patent: 6151571 (2000-11-01), Pertrushin
patent: 6236970 (2001-05-01), Imai et al.
patent: 6316710 (2001-11-01), Lindemann
patent: 6347185 (2002-02-01), Takahashi et al.

Affiliated with

Also associated with

Rating

Method and apparatus for classifying signals method and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for classifying signals method and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for classifying signals method and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3577243