Patent application number | Description | Published |
20100329479 | SOUND SOURCE LOCALIZATION APPARATUS AND SOUND SOURCE LOCALIZATION METHOD - A sound source localization apparatus for localizing a sound source using an eigenvector, includes, a sound signal input unit inputting a sound signal, a correlation matrix calculation unit calculating a correlation matrix of the input sound signal, and an eigenvector calculation unit calculating an eigenvalue of the correlation matrix using the calculated correlation matrix, wherein the eigenvector calculation unit calculates the eigenvector using the correlation matrix of the input sound signal and one or more predetermined correlation matrices. | 12-30-2010 |
20120069714 | SOUND DIRECTION ESTIMATION APPARATUS AND SOUND DIRECTION ESTIMATION METHOD - A sound direction estimation apparatus includes a sound source model storage unit that stores likelihood of a sound source class in correspondence with a sound feature quantity, a sound signal input unit that receives a sound signal, a sound source identification unit that identifies a sound source class of the sound signal input from the sound signal input unit with reference to the sound source model storage unit based on the sound feature quantity of the sound signal, and a first sound source localization unit that estimates a sound direction of the sound signal of the sound source class identified by the sound source identification unit. | 03-22-2012 |
20120195436 | Sound Source Position Estimation Apparatus, Sound Source Position Estimation Method, And Sound Source Position Estimation Program - A sound source position estimation apparatus includes a signal input unit that receives sound signals of a plurality of channels; a time difference calculating unit that calculates a time difference between the sound signals of the channels, a state predicting unit that predicts present sound source state information from previous sound source state information which is sound source state information including a position of a sound source, and a state updating unit that estimates the sound source state information so as to reduce an error between the time difference calculated by the time difference calculating unit and the time difference based on the sound source state information predicted by the state predicting unit. | 08-02-2012 |
20130151249 | INFORMATION PRESENTATION DEVICE, INFORMATION PRESENTATION METHOD, INFORMATION PRESENTATION PROGRAM, AND INFORMATION TRANSMISSION SYSTEM - An information presentation device includes an audio signal input unit configured to input an audio signal, an image signal input unit configured to input an image signal, an image display unit configured to display an image indicated by the image signal, a sound source localization unit configured to estimate direction information for each sound source based on the audio signal, a sound source separation unit configured to separate the audio signal to sound-source-classified audio signals for each sound source, an operation input unit configured to receive an operation input and generates coordinate designation information indicating a part of a region of the image, and a sound source selection unit configured to select a sound-source-classified audio signal of a sound source associated with a coordinate which is included in a region indicated by the coordinate designation information, and which corresponds to the direction information. | 06-13-2013 |
20140067385 | SOUND PROCESSING DEVICE, SOUND PROCESSING METHOD, AND SOUND PROCESSING PROGRAM - A sound processing device includes a separation unit configured to separate at least a music signal and a speech signal from a recorded audio signal, a noise suppression unit, a music feature value estimation unit, a speech recognition unit, a noise-processing confidence calculation unit, a music feature value estimation confidence calculation unit, a speech recognition confidence calculation unit, and a control unit configured to calculate at least one behavioral decision function of a speech behavioral decision function associated with speech and a music behavioral decision function associated with music based on a noise-processing confidence value, a music feature value estimation confidence value, and a speech recognition confidence value and to determine behavior corresponding to the calculated behavioral decision function. | 03-06-2014 |
20140072142 | SOUND DIRECTION ESTIMATION DEVICE, SOUND PROCESSING SYSTEM, SOUND DIRECTION ESTIMATION METHOD, AND SOUND DIRECTION ESTIMATION PROGRAM - A sound direction estimation device includes a first correlation matrix calculation unit configured to calculate a correlation matrix of a plurality of channels of input sound signals, a second correlation matrix calculation unit configured to calculate a correlation matrix of noise signals based on the plurality of channels of sound signals, and a sound source localization unit configured to calculate a spatial spectrum based on the correlation matrix calculated by the first correlation matrix calculation unit and the correlation matrix calculated by the second correlation matrix calculation unit and to estimate a direction of a sound source associated with the plurality of channels of sound signals using the calculated spatial spectrum. | 03-13-2014 |
20140078867 | SOUND DIRECTION ESTIMATION DEVICE, SOUND DIRECTION ESTIMATION METHOD, AND SOUND DIRECTION ESTIMATION PROGRAM - A sound direction estimation device includes a transfer function storage unit configured to store transfer functions of sound sources in correlation with directions of the sound sources, a calculation unit configured to calculate the number of classes to be searched and a search interval for each class based on a desired search range and a desired spatial resolution for searching for the directions of the sound sources, and a sound source localization unit configured to search the search range for every search interval using the transfer function, to estimate the direction of the sound source based on the search result, to update the search range and the search interval based on the estimated direction of the sound source until the number of classes calculated by the calculation unit is reached, and to estimate the direction of the sound source. | 03-20-2014 |
20140200887 | SOUND PROCESSING DEVICE AND SOUND PROCESSING METHOD - A sound processing device includes a noise suppression unit configured to suppress a noise component included in an input sound signal, an auxiliary noise addition unit configured to add auxiliary noise to the input sound signal, whose noise component has been suppressed by the noise suppression unit, to generate an auxiliary noise-added signal, a distortion calculation unit configured to calculate a degree of distortion of the auxiliary noise-added signal, and a control unit configured to control an addition amount by which the auxiliary noise addition unit adds the auxiliary noise based on the degree of distortion calculated by the distortion calculation unit. | 07-17-2014 |
20140214418 | SOUND PROCESSING DEVICE AND SOUND PROCESSING METHOD - A sound processing device includes a first noise suppression unit configured to suppress a noise component included in an input sound signal using a first suppression amount, a second noise suppression unit configured to suppress the noise component included in the input sound signal using a second suppression amount greater than the first suppression amount, a speech section detection unit configured to detect whether the sound signal whose noise component has been suppressed by the second noise suppression unit includes a speech section having a speech for every predetermined time, and a speech recognition unit configured to perform a speech recognizing process on a section, which is detected to be a speech section by the speech section detection unit, in the sound signal whose noise component has been suppressed by the first noise suppression unit. | 07-31-2014 |
20140278372 | AMBIENT SOUND RETRIEVING DEVICE AND AMBIENT SOUND RETRIEVING METHOD - An ambient sound retrieving device includes a sound input unit receiving a sound signal, a sound recognition unit performing a speech recognition process on the sound signal and generating an onomatopoeic word, a sound data storage unit storing an ambient sound and an onomatopoeic word corresponding to the ambient sound, a correlation information storage unit storing correlation information in which a first onomatopoeic word, a second onomatopoeic word, and a frequency of selecting the second onomatopoeic word are correlated with each other, a conversion unit converting the first onomatopoeic word into the second onomatopoeic word corresponding to the first onomatopoeic word using the correlation information, and a retrieval and extraction unit extracting the ambient sound corresponding to the second onomatopoeic word from the sound data storage unit and ranking and presenting a plurality of candidates of the extracted ambient sound. | 09-18-2014 |
20150063069 | SOUND PROCESSING DEVICE, SOUND PROCESSING METHOD, AND SOUND PROCESSING PROGRAM - A sound processing device includes a sound collection unit configured to record a sound signal, a tilt information acquisition unit configured to acquire tilt information on a tilt of the sound processing device, an azimuth estimation unit configured to estimate azimuths of a sound source in a plane in which the sound collection unit is arranged based on the sound signals which are recorded by the sound collection unit at least at two times; and an elevation angle estimation unit configured to estimate an elevation angle of the sound source with respect to the plane in which the sound collection unit is arranged based on the tilt information acquired by the tilt information acquisition unit and the azimuths estimated by the azimuth estimation unit at least at two times. | 03-05-2015 |
20150066500 | SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD, AND SPEECH PROCESSING PROGRAM - A speech processing device includes a speech recognition unit configured to sequentially recognize recognition segments from an input speech, a reverberation influence storage unit configured to store a degree of reverberation influence indicating an influence of a reverberation based on a preceding speech to a subsequent speech subsequent to the preceding speech and a recognition segment group including a plurality of recognition segments in correlation with each other, a reverberation influence selection unit configured to select the degree of reverberation influence corresponding to the recognition segment group which includes the plurality of recognition segments recognized by the speech recognition unit from the reverberation influence storage unit, and a reverberation reduction unit configured to remove a reverberation component weighted with the degree of reverberation influence from the speech from which at least a part of recognition segments of the recognition segment group is recognized. | 03-05-2015 |
20150066507 | SOUND RECOGNITION APPARATUS, SOUND RECOGNITION METHOD, AND SOUND RECOGNITION PROGRAM - A sound recognition apparatus can include a sound feature value calculating unit configured to calculate a sound feature value based on a sound signal, and a label converting unit configured to convert the sound feature value into a corresponding label with reference to label data in which sound feature values and labels indicating sound units are correlated. A sound identifying unit is configured to calculate a probability of each sound unit group sequence that a label sequence is segmented for each sound unit group with reference to segmentation data. The segmentated data indicates a probability that a sound unit sequence will be segmented into at least one sound unit group. The sound identity unit can also identify a sound event corresponding to the sound unit group sequence selected based on the calculated probability. | 03-05-2015 |
20150088497 | SPEECH PROCESSING APPARATUS, SPEECH PROCESSING METHOD, AND SPEECH PROCESSING PROGRAM - A speech processing apparatus includes a sound collecting unit configured to collect sound signals, a sound source direction estimating unit configured to estimate a direction of a sound source of each sound signal collected by the sound collecting unit, a reverberation reducing filter calculating unit configured to calculate a reverberation reducing filter to be applied to the sound signals collected by the sound collecting unit, and a reduction processing unit configured to apply the reverberation reducing filter calculated by the reverberation reducing filter calculating unit to the sound signals, and the reverberation reducing filter calculating unit calculates the reverberation reducing filter to be applied based on the directions of the sound sources estimated by the sound source direction estimating unit. | 03-26-2015 |
20150154957 | CONVERSATION SUPPORT APPARATUS, CONTROL METHOD OF CONVERSATION SUPPORT APPARATUS, AND PROGRAM FOR CONVERSATION SUPPORT APPARATUS - A conversation support apparatus includes: a speech input unit configured to input speech signals of two or more users; a speech recognizing unit configured to recognize the speech signals input from the speech input unit; a display unit configured to display the recognition results of the speech recognizing unit; and an image processing unit configured to set display areas respectively corresponding to the users into an image display area of the display unit. | 06-04-2015 |
Patent application number | Description | Published |
20090004901 | Connector having a stopper mechanism defining a movable range of a housing receiving a connection object - In a connector adapted to be connected to and disconnected from a connection object in connecting and disconnecting directions, the connector includes a first housing for receiving the connection object and a second housing holding the first housing so that the first housing is three-dimensionally movable. A contact is held by the first and the second housings. The second housing includes a stopper mechanism three-dimensionally defining a movable range of the first housing. | 01-01-2009 |
20090137140 | FLOATING-TYPE CONNECTOR - In a connector adapted to be connected to and disconnected from a mating object in a connecting/disconnecting direction, the connector includes an alignment member, a rear housing coupled to the alignment member, and a front housing adapted to receive the mating object and is movable with respect to the alignment member and the rear housing. A contact is held by the front housing and the rear housing. The alignment member and the rear housing include a stopper mechanism which three-dimensionally defines a movable range of the front housing. | 05-28-2009 |
20100033927 | Eject mechanism and electrical apparatus comprising the same - An eject mechanism comprises an eject member, a lock member and a lock release member. The eject member is configured to, when an object is positioned at a predetermined position, eject the object from the predetermined position along an eject direction. The lock member is configured to lock the object on the predetermined position against the eject member. The lock release member is configured to, when the lock release member is moved in the eject direction, release the lock of the object by the lock member. The eject mechanism ejects the object when the lock release member is moved in the eject direction. | 02-11-2010 |
20100062650 | Connector - A connector has a mating surface on which the connector is mated with a mating connector in a first direction. The connector includes a power supply contact and a housing. The housing is formed with a power supply contact holder and a protrusion. The power supply contact holder holds the power supply contact. The protrusion extends along the first direction to a location closer to the mating surface than an edge of the power supply contact. The protrusion extends along a second direction perpendicular to the first direction more than the power supply contact within the power supply contact holder. | 03-11-2010 |
20100068942 | CONNECTOR UNIT - A connector unit which is less liable to skew and easy to be manufactured. A PC-side connector comprises first and second PC-side contacts and a PC-side housing holding the contacts. A dock-side connector comprises first and second dock-side contacts and a dock-side housing holding the contacts. An intermediate portion connecting between contact and terminal portions of each first PC-side contact and an intermediate portion connecting between contact and terminal portions of each second PC-side contact have respective crank shapes. An intermediate portion connecting between contact and terminal portions of each first dock-side contact have approximately the same shape and length as the intermediate portion of each second PC-side contact. An intermediate portion connecting between a contact portion and a terminal portion of each second dock-side contact have approximately the same shape and length as the intermediate portion of each first PC-side contact. | 03-18-2010 |
20110209808 | STEEL CORD FOR REINFORCING RUBBER ARTICLE AND PNEUMATIC TIRE - A steel cord for reinforcing a rubber article which can improve the cut resistant property in the case of treading on an obtusely or sharply pointed projection without decreasing the strength in the axial direction of the cord and without increasing the tire weight, as well as a tire utilizing the same as a reinforcing material, are provided. | 09-01-2011 |
20110284144 | STEEL CORD FOR REINFORCING RUBBER ARTICLE AND PNEUMATIC TIRE - Without decreasing the strength in the axial direction of the cord, and without increasing the thickness in the radial direction, a steel cord for reinforcing a rubber article, which improves durability against cut, as well as a construction vehicle tire utilizing the steel cord for reinforcing a rubber article as a reinforcing material is provided. | 11-24-2011 |
20120138146 | THIN-FILM SOLAR BATTERY AND METHOD FOR MANUFACTURING THE SAME - A thin-film solar battery is constructed such that it includes a translucent insulating substrate, a first transparent conductive film formed of a crystalline transparent conductive film on the translucent insulating substrate, with an uneven structure on a surface thereof, a second transparent conductive film formed of a transparent conductive film on the first transparent conductive film, with an uneven structure on a surface thereof, where the uneven structure is more gentle than the uneven structure of the first transparent conductive film, a power generation layer formed on the second transparent conductive film and having at least one crystalline layer to generate power, and a backside electrode layer formed of a light-reflective conductive film on the power generation layer. A substantially convex hollow portion projecting from the translucent insulating substrate is provided between adjacent convex portions in the uneven structure of the first transparent conductive film. | 06-07-2012 |
20120234375 | THIN FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A thin film solar cell includes, on a substrate, a first electrode layer formed of a transparent conductive material, a photoelectric conversion layer, and a second electrode layer including a conductive material that reflects light. The thin film solar cell includes a plurality of unit solar battery cells divided by scribe lines. The second electrode layer and the first electrode layer of the unit solar battery cell adjacent to the second electrode layer are connected in the scribe line formed in the photoelectric conversion layer. The unit solar battery cells are electrically connected in series. The scribe lines on both sides of at least one of the unit solar battery cells are formed such that the unit solar battery cell held between the scribe lines meanders while having fixed width in a predetermined direction and have same shapes that overlap when the scribe lines translate in the predetermined direction. | 09-20-2012 |
20130210291 | STRUCTURE - An interface section | 08-15-2013 |
20140158271 | RUBBER ARTICLE-REINFORCING STEEL CORD AND PNEUMATIC TIRE - Provided is a steel cord for reinforcing a rubber article, which has an improved durability against so-called cuts, such as notches and perforations, which are generated in the case of treading on an obtusely or sharply pointed projection, without decreasing the strength in the axial direction of the cord, and without increasing the thickness in the radial direction, namely without increasing the weight of a tire, as well as a tire using the steel cord for reinforcing a rubber article as a reinforcing material, especially a construction vehicle tire. Also provided is a steel cord for reinforcing rubber articles with a multi-twisted structure formed by twisting a plurality of sheath strands formed by twisting a plurality of wires around a core strand formed by twisting a plurality of wires, and the core strand being constituted of an at least three-layer-twisted structure formed by twisting core filaments and sheath filaments. The lowest tensile breaking strength of filament bs and the tensile breaking strength of steel cord Bc satisfy the relationship represented by the following formula: | 06-12-2014 |