Patents by Inventor Kimio Miseki
Kimio Miseki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20110206220Abstract: According to one embodiment, an acoustic signal corrector includes: an output module; a selection receiver; and a holder. The output module is configured to output a plurality of acoustic signals. Amplitude values of frequencies within a frequency band of each of the acoustic signals are emphasized as emphasized amplitude values. A plurality of amplitude values among the emphasized amplitude values are corrected as corrected amplitude values at some of frequencies within the frequency band. Resonance is possibly induced in the frequency band by sealing an ear canal. The selection receiver is configured to receive a selection of one of the acoustic signals output by the output module. The holder is configured to hold, as a configuration for sound quality correction, a configuration corresponding to the correction of the one of the acoustic signals at the some of the frequencies.Type: ApplicationFiled: November 18, 2010Publication date: August 25, 2011Inventors: Norikatsu Chiba, Kimio Miseki
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Publication number: 20110170700Abstract: According to one embodiment, an acoustic signal compensator includes an acoustic signal receiving module, a compensator, and an output module. The acoustic signal receiving module receives an acoustic signal. The compensator performs compensation on the acoustic signal, as compensation of acoustic characteristics of an ear including an ear canal having a first-order resonance characteristic and a second-order resonance characteristic, to suppress a first-order frequency of ear resonance and a second-order frequency lower than double of the first-order frequency. The output module outputs the acoustic signal compensated by the compensator.Type: ApplicationFiled: September 22, 2010Publication date: July 14, 2011Inventors: Kimio Miseki, Norikatsu Chiba, Yasuhiro Kanishima
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Publication number: 20110158427Abstract: An audio signal compensation device includes: a signal processor configured to perform filtering on an input audio signal; a filter coefficients storage module configured to store a plurality of filter coefficients; a user interface configured to provide options for a determination of filter coefficients to a user and to obtain a selection result from the user; and a filter coefficients determining module configured to determine a set of filter coefficients among the plurality of filter coefficients based on the selection result.Type: ApplicationFiled: December 8, 2010Publication date: June 30, 2011Inventors: Norikatsu Chiba, Kimio Miseki, Yasuhiro Kanishima, Kazuyuki Saito, Toshifumi Yamamoto, Takashi Fukuda
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Publication number: 20100250262Abstract: A wideband speech coding method comprising identifying whether an input speech signal is a narrowband signal or a wideband signal, and coding the input speech signal by controlling a predetermined parameter of a wideband speech coding process based on the identification result.Type: ApplicationFiled: March 31, 2010Publication date: September 30, 2010Inventor: Kimio MISEKI
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Publication number: 20100250245Abstract: A wideband speech coding method comprising identifying whether an input speech signal is a narrowband signal or a wideband signal, and coding the input speech signal by controlling a predetermined parameter of a wideband speech coding process based on the identification result.Type: ApplicationFiled: March 31, 2010Publication date: September 30, 2010Inventor: Kimio Miseki
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Publication number: 20100250263Abstract: A wideband speech coding method comprising identifying whether an input speech signal is a narrowband signal or a wideband signal, and coding the input speech signal by controlling a predetermined parameter of a wideband speech coding process based on the identification result.Type: ApplicationFiled: March 31, 2010Publication date: September 30, 2010Inventor: Kimio MISEKI
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Patent number: 7788105Abstract: A wideband speech coding method comprising identifying whether an input speech signal is a narrowband signal or a wideband signal, and coding the input speech signal by controlling a predetermined parameter of a wideband speech coding process based on the identification result.Type: GrantFiled: October 3, 2005Date of Patent: August 31, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Kimio Miseki
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Patent number: 7698296Abstract: A content reproducing apparatus includes a display unit configured to display a play list and candidate contents able to be added to the play list, a selection unit configured to select, from the candidate contents, an undesired content which a user does not want to add to the play list, a calculation unit configured to calculate a first retrieval statistical quantity based on first characteristic quantity of the undesired content or a second retrieval statistical quantity based on second characteristic quantity of a desired content which the user wants to add to the play list, and a retrieve unit configured to retrieve the candidate contents to prepare the play list, in accordance with similarity which has been calculated by using the first or second retrieval statistical quantity and which shows to which a given content having third characteristic quantity is similar, the desired content or the undesired content.Type: GrantFiled: January 30, 2007Date of Patent: April 13, 2010Assignee: Kabushiki Kaisha TOSHIBAInventors: Chikashi Sugiura, Takehiko Isaka, Kimio Miseki
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Publication number: 20100057476Abstract: 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.Type: ApplicationFiled: August 28, 2009Publication date: March 4, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi SUDO, Kimio Miseki
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Publication number: 20080279394Abstract: A common component extraction unit extracts a component Mi(n) included commonly in the plural input channels. A non-common component extraction unit extracts a component Si(n) not common to the plural input channels. A common component noise suppression unit obtains signal Mo(n) by executing a noise suppression process for the component Mi(n). A non-common component processing unit obtains signal So(n) by executing attenuation or emphasis for the component Si(n). A plural-channel generation unit removes noise of the common component from signals In(n, k) of the plural input channels, by using the signals Mo(n) and So(n) such that the non-common component is attenuated or emphasized.Type: ApplicationFiled: February 6, 2008Publication date: November 13, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takehiko Isaka, Kimio Miseki
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Patent number: 7443978Abstract: There is disclosed an audio coding apparatus which has a wideband encoder and noise canceller. The encoder includes a high-frequency audio coder and low-frequency audio coder. The low-frequency audio coder includes a low-frequency noise canceller. When the high-frequency audio coder is disabled, the noise canceller is disabled, and allows a digital audio signal to pass through it and outputs that signal to the encoder. When the high-frequency audio coder is enabled, the low-frequency noise canceller is disabled, and allows a digital audio signal to pass through it.Type: GrantFiled: September 4, 2003Date of Patent: October 28, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Takehiko Isaka, Kimio Miseki, Takashi Obara
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Publication number: 20080247557Abstract: 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.Type: ApplicationFiled: March 10, 2008Publication date: October 9, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi Sudo, Kimio Miseki, Yuji Kawashima
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Publication number: 20080161952Abstract: According to an aspect of the invention, there is provided an audio data processing apparatus including: a decoding unit configured to decode audio encoding data, while the decoding unit switches an M/S stereo application mode and an M/S stereo non-application mode, and thereby outputting frequency domain audio data; an inverse quantizing unit configured to inversely quantize and output the frequency domain audio data; an M/S stereo judgment unit configured to decide whether or not the M/S stereo application mode is applied to the scale factor band, and extract and output a frequency domain audio data of the S channel at a part of scale factor band to which the M/S stereo application mode is applied, and generate and output a frequency domain audio data of the S channel at a part of scale factor band to which the M/S stereo application mode is not applied.Type: ApplicationFiled: June 7, 2007Publication date: July 3, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masataka Osada, Hirokazu Takeuchi, Kimio Miseki
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Publication number: 20080130907Abstract: 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.Type: ApplicationFiled: November 29, 2007Publication date: June 5, 2008Applicant: Kabushiki Kaisha ToshibaInventors: Takashi Sudo, Kimio Miseki
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Publication number: 20080071832Abstract: A content reproducing apparatus includes a display unit configured to display a play list and candidate contents able to be added to the play list, a selection unit configured to select, from the candidate contents, an undesired content which a user does not want to add to the play list, a calculation unit configured to calculate a first retrieval statistical quantity based on first characteristic quantity of the undesired content or a second retrieval statistical quantity based on second characteristic quantity of a desired content which the user wants to add to the play list, and a retrieve unit configured to retrieve the candidate contents to prepare the play list, in accordance with similarity which has been calculated by using the first or second retrieval statistical quantity and which shows to which a given content having third characteristic quantity is similar, the desired content or the undesired content.Type: ApplicationFiled: January 30, 2007Publication date: March 20, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Chikashi Sugiura, Takehiko Isaka, Kimio Miseki
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Publication number: 20080010064Abstract: Activity is determined for each frequency band in a frame, and when it is determined that an activity-OFF state has not continued for a predetermined number of times for preceding frames, normal coding processing is performed for the frequency band. When it is determined that the activity-OFF state has continued for the predetermined number of times or more, DTX coding is performed for the frequency band. After this processing has been performed for all of the bands of one frame, a total power of the one entire frame and the power of the band or bands to which the DTX coding is applied are calculated. Subsequently, a new target bit value is calculated based on a ratio of the total power of the one entire frame and the power of the band or bands to which the DTX coding is applied.Type: ApplicationFiled: July 5, 2007Publication date: January 10, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hirokazu Takeuchi, Kimio Miseki, Masataka Osada
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Patent number: 7191120Abstract: A speech encoding method, apparatus and program wherein an input speech signal is divided into a plurality of frames each having a predetermined length, each of the frames is subdivided into a plurality of subframes, a predictive pitch period of a subframe in a to-be-encoded current frame is obtained by using pitch periods of at least two frames of the current frame and past and future frames with respect to the current frame; a pitch period of a subframe in the current frame is obtained by using the predictive pitch period, a relative pitch pattern codebook storing a plurality of relative pitch patterns representing fluctuations in pitch periods of a plurality of subframes is prepared, and a change in pitch period of plural subframes is expressed with one relative pitch pattern selected from the relative pitch pattern codebook.Type: GrantFiled: October 2, 2003Date of Patent: March 13, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Masahiro Oshikiri, Kimio Miseki, Masami Akamine
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Patent number: 7058574Abstract: In a signal processing apparatus, a speech coder includes, as three sections for coding speech data by different algorithm, an Algorithm-A coding section, an Algorithm-B coding section and an Algorithm-C coding section. A noise suppressor includes, as three sections for suppressing background noise by different algorithm, an Algorithm-X noise suppress section, an Algorithm-Y noise suppress section and an Algorithm-Z noise suppress section. A suppress algorithm switching control section controls switching on the basis of information from a coding algorithm switching control section such that an optimal one of the noise suppress sections may function in association with the coding section activated in the speech coder.Type: GrantFiled: December 1, 2004Date of Patent: June 6, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Takayuki Taniguchi, Yuriko Tsukahara, Kimio Miseki
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Publication number: 20060020450Abstract: A wideband speech coding method comprising identifying whether an input speech signal is a narrowband signal or a wideband signal, and coding the input speech signal by controlling a predetermined parameter of a wideband speech coding process based on the identification result.Type: ApplicationFiled: October 3, 2005Publication date: January 26, 2006Inventor: Kimio Miseki
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Publication number: 20050096904Abstract: In a signal processing apparatus, a speech coder includes, as three sections for coding speech data by different algorithm, an Algorithm-A coding section, an Algorithm-B coding section and an Algorithm-C coding section. A noise suppressor includes, as three sections for suppressing background noise by different algorithm, an Algorithm-X noise suppress section, an Algorithm-Y noise suppress section and an Algorithm-Z noise suppress section. A suppress algorithm switching control section controls switching on the basis of information from a coding algorithm switching control section such that an optimal one of the noise suppress sections may function in association with the coding section activated in the speech coder.Type: ApplicationFiled: December 1, 2004Publication date: May 5, 2005Inventors: Takayuki Taniguchi, Yuriko Tsukahara, Kimio Miseki