Patent application number | Description | Published |
20080294437 | LANGUAGE UNDERSTANDING DEVICE - A language understanding device includes: a language understanding model storing unit configured to store word transition data including pre-transition states, input words, predefined outputs corresponding to the input words, word weight information, and post-transition states, and concept weighting data including concepts obtained from language understanding results for at least one word, and concept weight information corresponding to the concepts; a finite state transducer processing unit configured to output understanding result candidates including the predefined outputs, to accumulate word weights so as to obtain a cumulative word weight, and to sequentially perform state transition operations; a concept weighting processing unit configured to accumulate concept weights so as to obtain a cumulative concept weight; and an understanding result determination unit configured to determine an understanding result from the understanding result candidates by referring to the cumulative word weight and the cumulative concept weight. | 11-27-2008 |
20080319748 | Conversation System and Conversation Software - A first domain satisfying a first condition concerning a current utterance understanding result and a second domain satisfying a second condition concerning a selection history are specified. For each of the first and second domains, indices representing reliability in consideration of the utterance understanding history, selection history, and utterance generation history are evaluated. Based on the evaluation results, one of the first, second, and third domains is selected as a current domain according to a selection rule. | 12-25-2008 |
20100017034 | BEAT TRACKING APPARATUS, BEAT TRACKING METHOD, RECORDING MEDIUM, BEAT TRACKING PROGRAM, AND ROBOT - A beat tracking apparatus includes: a filtering unit configured to perform a filtering process on an input acoustic signal and to accentuate an onset; a beat interval reliability calculating unit configured to perform a time-frequency pattern matching process employing a mutual correlation function on the acoustic signal of which the onset is accentuated and to calculate a beat interval reliability; and a beat interval estimating unit configured to estimate a beat interval on the basis of the calculated beat interval reliability. | 01-21-2010 |
20100034397 | SOUND SOURCE TRACKING SYSTEM, METHOD AND ROBOT - A result of a sound source direction measurement based on an output of an REMA (first microphone array) ( | 02-11-2010 |
20100082340 | SPEECH RECOGNITION SYSTEM AND METHOD FOR GENERATING A MASK OF THE SYSTEM - The speech recognition system of the present invention includes: a sound source separating section which separates mixed speeches from multiple sound sources; a mask generating section which generates a soft mask which can take continuous values between 0 and 1 for each separated speech according to reliability of separation in separating operation of the sound source separating section; and a speech recognizing section which recognizes speeches separated by the sound source separating section using soft masks generated by the mask generating section. | 04-01-2010 |
20100131086 | SOUND SOURCE SEPARATION SYSTEM, SOUND SOURCE SEPARATION METHOD, AND COMPUTER PROGRAM FOR SOUND SOURCE SEPARATION - An audio signal produced by playing a plurality of musical instruments is separated into sound sources according to respective instrument sounds. Each time a separation process is performed, the updated model parameter estimation/storage section | 05-27-2010 |
20100329472 | REVERBERATION SUPPRESSING APPARATUS AND REVERBERATION SUPPRESSING METHOD - A reverberation suppressing apparatus separating sound source signals based on input signals output from microphones collecting the plurality of sound source signals, includes a sound signal output unit generating sound signals and outputting the generated sound signals, a sound acquiring unit acquiring the input signals from microphones, a first evaluation function calculation unit calculating a separation matrix, the input signals, and the sound source signals, and calculating a first evaluation function, a reverberation component suppressing unit calculating an optimal separation matrix, and suppressing a reverberation component by separating the sound source signals other than the generated sound signals, and a separation matrix updating unit dividing a step-size function, approximating each segment to a linear function, calculating step sizes based on the approximated linear functions, and repeatedly updating the separation matrix so that the degree of separation of the sound source signals exceeds the predetermined value. | 12-30-2010 |
20110112994 | MUSICAL PIECE RECOMMENDATION SYSTEM, MUSICAL PIECE RECOMMENDATION METHOD, AND MUSICAL PIECE RECOMMENDATION COMPUTER PROGRAM - A musical piece recommendation system is provided that allows instantaneous registration of a new user and a new musical piece without retraining in a basic training section. A first incremental training section | 05-12-2011 |
20110118871 | THEREMIN-PLAYER ROBOT - A thereminist robot has a characteristic model of theremin and is capable of performing in response to an environment of theremin performance by calibrating the characteristic model before the performance. A robot | 05-19-2011 |
20110224980 | SPEECH RECOGNITION SYSTEM AND SPEECH RECOGNIZING METHOD - A speech recognition system according to the present invention includes a sound source separating section which separates mixed speeches from multiple sound sources from one another; a mask generating section which generates a soft mask which can take continuous values between 0 and 1 for each frequency spectral component of a separated speech signal using distributions of speech signal and noise against separation reliability of the separated speech signal; and a speech recognizing section which recognizes speeches separated by the sound source separating section using soft masks generated by the mask generating section. | 09-15-2011 |
20120046771 | MUSIC AUDIO SIGNAL GENERATING SYSTEM - A system for timbral change, capable of changing timbres included in an existing music audio signal to arbitrary timbres. Replaced harmonic peak parameters are created by replacing a plurality of harmonic peaks included in harmonic peak parameters, which are stored in a separated audio signal analyzing and storing section | 02-23-2012 |