Patent application number | Description | Published |
20100056063 | SIGNAL CORRECTION DEVICE - A signal correction device including: an orthogonal transform section configured to perform an orthogonal transform for an input signal that includes a speech as a target signal and an unnecessary non-target signal; an interval determining section configured to determine whether each frame of the input signal is an interval in which the non-target signal is dominantly included; a suppressing gain calculating section configured to calculate suppressing gain for suppressing the non-target signal for each first frequency band width for a frame determined to be the interval, and to calculate suppressing gain for suppressing the non-target signal for each second frequency bandwidth for a frame determined not to be the interval; and a signal correcting section configured to perform a signal correcting process for suppressing the non-target signal for a transform coefficient acquired by the orthogonal transform section by using the suppressing gain. | 03-04-2010 |
20100198588 | SIGNAL BANDWIDTH EXTENDING APPARATUS - A signal bandwidth extending apparatus including: a bandwidth extending section configured to extend a frequency bandwidth of a target signal, the target signal included in an input signal; a calculating section configured to calculate a degree of the target signal included in the input signal; and a controller configured to change a method of extending the frequency bandwidth by the bandwidth extending section according to a result of the calculating section. | 08-05-2010 |
20100217606 | SIGNAL BANDWIDTH EXPANDING APPARATUS - A signal bandwidth expanding apparatus configured to expand a bandwidth of an input signal. The apparatus includes: a time acquiring section configured to acquire time information; a priority holding section configured to hold priority information of processes, each process divided from a process of bandwidth expansion; a controller configured to: sequentially perform the processes from a process having a higher priority using the priority information held by the priority holding section, calculate a time taken for the process using the time acquiring section when the process is ended, and control whether or not a next process having a secondary priority is performed according to the time taken for the process; and a frequency balance correcting section configured to change a frequency characteristic of a signal expanded in a bandwidth according to the process performed by the controller. | 08-26-2010 |
20100246849 | SIGNAL PROCESSING APPARATUS - A signal processing apparatus is configured to change volume level or frequency characteristics of an input signal with a limited bandwidth in a first frequency range. The apparatus includes: an information extracting unit configured to extract second frequency characteristic information from a collection signal with a limited bandwidth in a second frequency range different from the first frequency range; a frequency characteristic information extending unit configured to estimate first frequency characteristic information from the second frequency characteristic information extracted by the information extracting unit, the first frequency characteristic information including the first frequency range; and a signal correcting unit configured to change volume level or frequency characteristics of the input signal according to the first frequency characteristic information obtained by the frequency characteristic information extending unit. | 09-30-2010 |
20130070939 | SIGNAL PROCESSING APPARATUS - A signal processing apparatus is configured to change volume level or frequency characteristics of an input signal with a limited bandwidth in a first frequency range. The apparatus includes: an information extracting unit configured to extract second frequency characteristic information from a collection signal with a limited bandwidth in a second frequency range different from the first frequency range; a frequency characteristic information extending unit configured to estimate first frequency characteristic information from the second frequency characteristic information extracted by the information extracting unit, the first frequency characteristic information including the first frequency range; and a signal correcting unit configured to change volume level or frequency characteristics of the input signal according to the first frequency characteristic information obtained by the frequency characteristic information extending unit. | 03-21-2013 |
20130216058 | NOISE SUPPRESSION DEVICE - A correction spectrum calculation unit | 08-22-2013 |
20140003612 | INFORMATION TERMINAL AND COMPUTER PROGRAM PRODUCT | 01-02-2014 |
20140203786 | POWER SUPPLY APPARATUS AND POWER SUPPLY CONTROL APPARATUS - According to one embodiment, a power supply apparatus includes a battery assembly, a fuse element, a switch unit, and a control unit. The fuse element is connected between the battery assembly and a load unit driven by being supplied with power from the battery assembly. The switch unit is connected in parallel to the load unit. The control unit causes, when an over voltage of at least one of the battery assembly and the load unit is detected, the switch unit to be in an ON state, provides an over current to flow from the battery assembly to the fuse element, and fusing the fuse element. | 07-24-2014 |
20140286498 | ECHO CANCELLING DEVICE - An echo cancelling device splits a low-band signal through LPFs having characteristics which do not cause aliasing during downsampling of downsamplers, and splits a high-band signal through HPFs having characteristics which do not cause aliasing during downsampling of downsamplers. The echo canceling device generates a mid-band signal by subtracting the low-band signal and the high-band signal from a pre-split signal by adder-subtractors, and cancels an echo on a band-by-band basis. | 09-25-2014 |
Patent application number | Description | Published |
20080247557 | Information Processing Apparatus and Program - According to one embodiment, a signal processing apparatus includes a speaker configured to output the received input signal on which a delay detection signal which has a frequency component of an inaudible frequency on a received input signal is superposed to an acoustic space, an extracting section configured to extract the delay detection signal from the sending input signal outputted from microphone configured to collect sound in the acoustic space a calculating section configured to calculate a delay time between the received input signal and an acoustic echo component contained in the sending input signal, a delay section configured to delay the received input signal by a time corresponding to the delay time and generate a delayed received input signal, and an echo suppression processing section configured to suppress the acoustic echo component contained in the sending input signal by use of the delayed received input signal. | 10-09-2008 |
20100057476 | SIGNAL BANDWIDTH EXTENSION APPARATUS - A signal bandwidth extension apparatus includes a determination unit which determines whether or not a peak component of the input signal is lacked in the band to be extended, and a control unit which controls to extend the bandwidth when the determination unit determines that the peak component of the input signal is lacked in the band to be extended, and not to extend the bandwidth when the determination unit determines that the peak component is not lacked. | 03-04-2010 |
20110255699 | SIGNAL CORRECTION APPARATUS AND SIGNAL CORRECTION METHOD - According to one embodiment, a signal correction apparatus includes a sound quality estimation module, a sound quality enhancement processing controller, and a sound quality enhancement processor. The sound quality estimation module is configured to generate channel importance information based on correlations of channels for signals input from one or more channels, and to generate frequency importance information based on noise levels. The sound quality enhancement processing controller is configured to decide valid channels and valid frequency components which are to undergo sound quality enhancement processing of the signals based on the channel importance information and the frequency importance information, and to generate valid channel information and valid processing frequency information. The sound quality enhancement processor is configured to apply sound quality enhancement processing to signals of the valid channels and the valid frequency components based on the valid channel information and the valid processing frequency information. | 10-20-2011 |
20120109632 | PORTABLE ELECTRONIC DEVICE - According to one embodiment, a portable electronic device includes a touch-screen display. The electronic device executes a function which is associated with a display object corresponding to a tap position on the touch-screen display. The electronic device includes at least one microphone, a speech processing module configured to process an input speech signal from the at least one microphone, and a translation result output module configured to output a translation result of a target language. The translation result of the target language is obtained by recognizing and machine-translating the input speech signal which is processed by the speech processing module. The speech processing module detects a tap sound signal in the input speech signal, the tap sound signal being produced by tapping the touch-screen display, and corrects the input speech signal in order to reduce an influence of the detected tap sound signal upon the input speech signal. | 05-03-2012 |
20120249470 | ELECTRONIC DEVICE AND CONTROL METHOD - According to one embodiment, an electronic device includes a touch panel, an operation module, a detector, and a switch module. The touch panel and the operation module are configured to receive an operation command. The detector detects whether the touch panel is wet based on a touch position detected by the touch panel. The switch module switches, if the touch panel is wet, the receiver of the operation command from the touch panel to the operation module. | 10-04-2012 |
20120249785 | SIGNAL PROCESSOR AND SIGNAL PROCESSING METHOD - According to one embodiment, a signal processor includes: a plurality of loudspeakers configured to reproduce sound of a plurality of channels; a plurality of microphones configured to pick up sound of a plurality of channels; a detector configured to detect a user who is present in a direction of a space from which the microphones pick up the sound, and output directional characteristic information indicating a relative direction of the user to the loudspeakers; and a signal processor configured to switch contents of processing to reduce a disturbance signal included in a picked-up sound signal of the sound picked up by the microphones from the picked-up sound signal based on the relative direction indicated by the directional characteristic information. | 10-04-2012 |
20120250886 | CHARACTERISTIC CORRECTING DEVICE AND CHARACTERISTIC CORRECTING METHOD - According to one embodiment, a characteristic correcting device includes: a correction filter configured to correct sound quality characteristics of a plurality of bands in a frequency range of an input signal based on a frequency characteristic which is set in advance to generate an output signal; an input module configured to input a surrounding sound signal of sound around an output device outputting the output signal; and an adjusting module configured to reduce the number of the bands of which the sound quality characteristics are to be corrected of the bands in the frequency range of the input signal in accordance with an increase in amplitude of the surrounding sound signal which is input. | 10-04-2012 |
20120250892 | SIGNAL PROCESSOR AND SIGNAL PROCESSING METHOD - According to one embodiment, a signal processor includes a band divider, a first correction module, a determiner, an adjuster, and a second correction module. The band divider calculates an amplitude indicating sound pressure from an acoustic signal for each frequency range. The first correction module corrects the amplitude to change the dynamic range of the amplitude to a target range. The determiner determines whether the maximum amplitude of amplitudes corrected by the first correction module is equal to or larger than a threshold. The adjuster adjusts first and second coefficients based on the first condition if the maximum amplitude is equal to or larger than the threshold. The second correction module adds a value obtained by multiplying the acoustic signal by the first coefficient to a value obtained by multiplying the correction amount of the amplitude by the second coefficient, and outputs a resulting value as an output signal. | 10-04-2012 |
20120253804 | VOICE PROCESSOR AND VOICE PROCESSING METHOD - According to one embodiment, a voice processor includes: a storage module; a converter; a character string converter; a similarity calculator; and an output module. The storage module stores therein first character string information and a first phoneme symbol corresponding thereto in association with each other. The converter converts an input voice into a second phoneme symbol. The character string converter converts the second phoneme symbol into second character string information in which content of the voice is described in a natural language. The similarity calculator calculates similarity between the input voice and a portion of the first character string information stored in the storage module using at least one of the second phoneme symbol converted by the converter and the second character string information converted by the character string converter. The output module outputs the first character string information based on the similarity calculated by the similarity calculator. | 10-04-2012 |
20130136277 | VOLUME CONTROLLER, VOLUME CONTROL METHOD AND ELECTRONIC DEVICE - According to at least one embodiment, a volume controller includes an audio processor configured to generate an output signal by variably controlling an amplitude of an input signal; and a volume controller configured to set a sound volume for the variable control based on the input signal. | 05-30-2013 |
20130158990 | INFORMATION PROCESSING APPARATUS AND PROGRAM - According to one embodiment, an information processing apparatus includes a first signal input unit configure to receive a first signal, a second signal input unit configure to receive a signal, a first control unit configure to acquire system resources, a second control unit configure to select, in accordance with information of the system resources acquired by the first control unit, a processing method for suppressing at least one of echo and noise of the second signal input from the second signal input unit containing the echo due to the first signal input from the first signal input unit, a third control unit configure to generate an output signal by suppressing at least one of the echo and the noise from the second signal by the processing method selected by the second control unit, and a signal output unit configure to output the output signal generated by the third control unit. | 06-20-2013 |
20130300675 | ELECTRONIC DEVICE AND HANDWRITTEN DOCUMENT PROCESSING METHOD - According to one embodiment, the electronic device displays on the screen the locus of each of a plurality of strokes which are handwritten by a handwriting input operation which is executed on the touch-screen display. The electronic device stores, in the storage medium, first time-series information including a plurality of stroke data corresponding to the plurality of strokes and indicating an order in which the plurality of strokes were handwritten. The electronic device selects the process-target time-series information part from the first time-series information in accordance with the range designation operation which is executed on the touch-screen display. | 11-14-2013 |
20130301922 | DATA PROCESSING SYSTEM, DATA PROCESSING METHOD, AND STORAGE MEDIUM - According to one embodiment, a data processing system includes a touchscreen display, a recorder, and a processor. The recorder is configured to record a plurality of stroke data indicating loci handwritten on the touchscreen display and times respectively. The processor is configured to execute data processing using a first time indicated by first stroke data associated with first data and a second time indicated by second stroke data associated with second data. | 11-14-2013 |
20130305146 | SYSTEM AND HANDWRITTEN DOCUMENT MANAGEMENT METHOD - According to one embodiment, a system includes a receiver, a storage, a retrieval module and a transmitter. The receiver receives handwritten document data, which includes stroke data corresponding to strokes, from a first electronic device. The storage stores a handwritten document data in addition to a plurality of document data. The retrieval module retrieves, in response to a request by a second electronic device, first handwritten document data corresponding to the request from the plurality of document data in the storage. The transmitter transmit the first handwritten document data to the second electronic device. | 11-14-2013 |
20130314596 | ELECTRONIC APPARATUS, CONTROL METHOD OF ELECTRONIC APPARATUS, AND CONTROL PROGRAM OF ELECTRONIC APPARATUS - One embodiment provides an electronic apparatus, including: a first detector configured to attempt to detect a telop and a warning sound from a received video content at a first image reading interval and a first sound reading interval, respectively; and a second detector configured to attempt, upon a detection of at least one of a telop and a warning sound by the first detector, to detect a telop and a warning sound from the video content at a second image reading interval and a second sound reading interval which are shorter than the first image reading interval and the first sound reading interval, respectively. | 11-28-2013 |
20130329932 | SOUND COLLECTOR AND ELECTRONIC APPARATUS HAVING SOUND COLLECTOR - According to one embodiment, a sound collector includes a housing and a microphone holding member. The housing includes an opening portion. The opening portion is configured to receive a sound wave having a path. The housing is configured to be tightly closed except the opening portion. The microphone holding member is configured to be provided in the housing and hold a microphone that receives the sound wave propagating through the path at a predetermined position. | 12-12-2013 |
20130336500 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD - One embodiment provides a signal processing apparatus, including: a speaker; a vibration sensor; and a controller. The speaker is configured to output a sound. The vibration sensor is configured to detect a vibration that is caused by a solid propagation of the sound from the speaker, and to output a reference signal based on the detected variation. The controller is configured to perform a noise suppress control which suppresses a noise due to the vibration using the reference signal. | 12-19-2013 |
20140177856 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD - According to one embodiment, a first processing module adds, to a first queue, output sound data output from a first task, with a time stamp attached thereto. A second processing module adds, to a second queue, input sound data received from a microphone, with a time stamp attached thereto. A controller fetches first output sound data as reference data from the first queue, the first output sound data having a time stamp whose time difference from a time stamp of first input sound data in the second queue falls within a predetermined range. An echo canceller performs echo cancelling processing to cancel an echo component in the first input sound data based on the reference data. | 06-26-2014 |
20140320307 | ELECTRONIC APPARATUS AND COMMUNICATION CONTROL METHOD - According to one embodiment, an electronic apparatus includes a biological sensor, an extraction module, a state detector, and a transmission controller. The biological sensor generates first biological data. The extraction module extracts one or more first features from the first biological data. The state detector detects a communication state between a communication module and a server. The transmission controller transmits at least one of the first biological data and the one or more first features to the server, based on the detected communication state. | 10-30-2014 |
20150092952 | Audio Device and Control Method - According to one embodiment, an audio device includes a first driver, a first acoustic cylinder, a body temperature sensor, and a corrector. The first driver outputs a sound. The first acoustic cylinder includes a first pathway configured to be passed through by a sound. The first pathway includes an opening configured to face an eardrum of a wearer. The body temperature sensor is provided substantially in an center of the opening or outside of a plane of the opening. The corrector corrects first audio data to suppress resonance in the first pathway. The first driver outputs corrected first sound according to corrected first audio data. | 04-02-2015 |
20150095163 | Electronic Apparatus and Display Method - According to one embodiment, an electronic apparatus includes a processor and a display processor. The processor acquires a target value about health of a user and acquires behavioral information related to the target value from a recorder configured to record a behavior of the user and to acquire physiological information of the user. The display processor displays a first screen includes a performance value according to the behavioral information, the target value, and an advertisement selected according to the physiological information on a display. | 04-02-2015 |
20150095926 | ELECTRONIC APPARATUS AND METHOD - According to one embodiment, an electronic apparatus includes a receiver, a generator and a transmitter. The receiver receives operation data indicative of an operating period from each of one or more electronic apparatuses used by a first user, and receives viewing data from a first electronic apparatus of the one or more electronic apparatuses, the viewing data indicative of a program viewed by the first user. The generator generates living pattern data indicative of a living pattern of the first user using the operation data and the viewing data. The transmitter transmits the living pattern data to an electronic apparatus used by a second user. | 04-02-2015 |
20150182139 | ELECTRONIC APPARATUS, METHOD AND STORAGE MEDIUM - According to one embodiment, an electronic apparatus wearable by a user includes one or more sensors, a processor and a controller. The processor is configured to determine whether the user is in a waking state or a sleeping state by using a detected value of at least one sensor of the one or more sensors. The controller is configured to set an operation mode of the apparatus in a first apparatus mode if it is determined that the user is in a waking state, and to set the operation mode of the apparatus in a second apparatus mode if it is determined that the user is in a sleeping state. | 07-02-2015 |
20150342528 | ELECTRONIC APPARATUS AND VITAL SIGN SIGNAL MEASURING METHOD - According to one embodiment, an electronic apparatus determines whether a vital sign sensor is in contact with a human body and determines whether a contact state between the vital sign sensor and the human body is stable. The apparatus obtains an effective time-series signal by removing, from an output time-series signal of the vital sign sensor, a first time-series signal and a second time-series signal, the first time-series signal corresponding to a time period of a non-contact state and a second time-series signal corresponding to a time period of an unstable state. The apparatus analyzes the effective time-series signal to measure a value associated with a vital sign signal of the human body. | 12-03-2015 |