Patents by Inventor Masahiro Morita
Masahiro Morita 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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Patent number: 9484012Abstract: According to an embodiment, a speech synthesis dictionary generation apparatus includes an analyzer, a speaker adapter, a level designation unit, and a determination unit. The analyzer analyzes speech data and generates a speech database containing characteristics of utterance by an object speaker. The speaker adapter generates the model of the object speaker by speaker adaptation of converting a base model to be closer to characteristics of the object speaker based on the database. The level designation unit accepts designation of a target speaker level representing a speaker's utterance skill and/or a speaker's native level in a language of the speech synthesis dictionary. The determination determines a parameter related to fidelity of reproduction of speaker properties in the speaker adaptation, in accordance with a relationship between the target speaker level and a speaker level of the object speaker.Type: GrantFiled: January 27, 2015Date of Patent: November 1, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventor: Masahiro Morita
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Publication number: 20160300564Abstract: According to an embodiment, a text-to-speech device includes a context acquirer, an acoustic model parameter acquirer, a conversion parameter acquirer, a converter, and a waveform generator. The context acquirer is configured to acquire a context sequence affecting fluctuations in voice. The acoustic model parameter acquirer is configured to acquire an acoustic model parameter sequence that corresponds to the context sequence and represents an acoustic model in a standard speaking style of a target speaker. The conversion parameter acquirer is configured to acquire a conversion parameter sequence corresponding to the context sequence to convert an acoustic model parameter in the standard speaking style into one in a different speaking style. The converter is configured to convert the acoustic model parameter sequence using the conversion parameter sequence. The waveform generator is configured to generate a voice signal based on the acoustic model parameter sequence acquired after conversion.Type: ApplicationFiled: June 17, 2016Publication date: October 13, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yu NASU, Masatsune Tamura, Ryo Morinaka, Masahiro Morita
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Patent number: 9466225Abstract: According to one embodiment, a speech learning apparatus includes a detection unit, a first calculation unit, a generation unit, an addition unit and a speech synthesis unit. The first calculation unit calculates a score indicating a degree of emphasis of a keyword based on a type of the marker and a manner of selecting the keyword. The generation unit generates a synthesis parameter to determine a degree of reading of the keyword in accordance with the score and the type of the marker. The addition unit adds to the keyword a tag for reading the keyword in accordance with the synthesis parameter. The speech synthesis unit generates synthesized speech obtained by synthesizing speech of the keyword in accordance with the tag.Type: GrantFiled: August 14, 2013Date of Patent: October 11, 2016Assignee: Kabushiki Kaisha TosihbaInventors: Kouichirou Mori, Masahiro Morita
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Publication number: 20160254003Abstract: According to an embodiment, a digital watermark detecting device includes a residual signal extractor, a voiced period estimator, a storage, a phase estimator, and a watermark determiner. The residual signal extractor is configured to extract a residual signal from a speech signal. The voiced period estimator is configured to estimate a voiced period based on the speech signal. The storage is configured to store pulse signals modulated in advance so as to have different phases. The phase estimator is configured to clip the voiced period in units of an analysis frame having a predetermined length, and perform pattern matching between the residual signal in the analysis frame and the pulse signals to estimate phase of the speech signal. The watermark determiner is configured to, based on a sequence of phases estimated by the phase estimator, determine whether a digital watermark is embedded in the speech signal or not.Type: ApplicationFiled: May 10, 2016Publication date: September 1, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kentaro TACHIBANA, Masahiro MORITA
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Publication number: 20160217782Abstract: According to an embodiment, a transliteration work support device includes an analysis unit, a storage unit, an estimation unit, a construction unit, a correction unit, and an update unit. The analysis unit performs language analysis on document data and creates transliteration auxiliary information representing a way of transliteration of a word or a phrase in the document data. The storage unit stores a correction history representing a way of transliteration corrected in the past of the word or the phrase. The estimation unit estimates a correction place and a correction candidate of the document data or the transliteration auxiliary information from the history. The construction unit constructs work list information including work items corresponding to types of corrections according to the correction candidate and progress information. The correction unit corrects the document data or the transliteration auxiliary information.Type: ApplicationFiled: April 5, 2016Publication date: July 28, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kosei FUME, Yuka KURODA, Yoshiaki MIZUOKA, Masahiro MORITA
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Patent number: 9391318Abstract: Active material particles are provided that exhibit performance suitable for increasing the output of a lithium secondary battery and little deterioration due to charge-discharge cycling. The active material particles provided by the present invention have a hollow structure having secondary particles including an aggregate of a plurality of primary particles of a lithium transition metal oxide, and a hollow portion formed inside the secondary particles, and through holes that penetrates to the hollow portion from the outside are formed in the secondary particles. BET specific surface area of the active material particles is 0.5 to 1.9 m2/g.Type: GrantFiled: July 12, 2013Date of Patent: July 12, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Sumitomo Metal Mining Co., Ltd.Inventors: Hiroki Nagai, Masahiro Morita, Kensaku Mori, Shin Imaizumi, Kenji Ikeuchi, Toshiyuki Osako, Hiroyuki Toya
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Publication number: 20160196253Abstract: According to an embodiment, an annotation sharing method includes outputting a content; acquiring an annotation positioned in the content; calculating a position of the annotation in the content using information, that is related to the content and is usable for specifying the position of the annotation in the content, without using a body of the content; and storing the calculated position and the annotation in association with each other and in a readable manner.Type: ApplicationFiled: March 16, 2016Publication date: July 7, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kosei FUME, Masahiro MORITA, Yuka KURODA, Yoshiaki MIZUOKA
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Publication number: 20160181668Abstract: A lithium-ion secondary battery including a wound body provided by winding a sheet unit around an axis, the sheet unit including a power-generating element provided by stacking a positive electrode unit and a negative electrode unit with a separator interposed between them, wherein the following expression (1) is satisfied: 0.02?A/B?0.05??(1) where A represents a width of the separator from one end to a position corresponding to an end of an applied portion of the negative electrode unit, and B represents a width of the separator from the one end to the other end in the axial direction, and the positive electrode unit includes an active material particle forming a hollow structure including a secondary particle formed of a plurality of primary particles of lithium-transition metal oxide and a hollow portion formed inside the secondary particle, and the secondary particle has a through hole extending from an outside to the hollow portion.Type: ApplicationFiled: June 5, 2013Publication date: June 23, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Masahiro MORITA
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Publication number: 20160172673Abstract: Provided is a cathode active material for a non-aqueous electrolyte secondary battery, with which it is possible to improve the output characteristics during use in extremely low-temperature environments. A lithium compound is mixed with nickel cobalt manganese composite hydroxide particles that are expressed by the general formula: NixCoyMnzMt(OH)2+a (where x+y+z+t=1, 0.30?×?0.70, 0.10 ?y?0.40, 0.10 ?z?0.40, 0?t?0.01, and M is one or more elements selected from Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W) such that the ratio of the number of lithium atoms to the total number of atoms of metal elements other than lithium is 1:0.95 to 1.20. The lithium mixture undergoes calcination in an oxidizing atmosphere so that the rate of temperature rise in a temperature range of at least 30° C. to 800° C. is 4° C. /min to 10° C./min, the calcination temperature is 800° C. to 1000° C.Type: ApplicationFiled: July 22, 2014Publication date: June 16, 2016Applicants: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki TOYA, Masahiro MORITA, Hiroki NAGAI, Yoshinari MAKIMURA, Tetsuro KOBAYASHI
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Patent number: 9361135Abstract: An information processing apparatus includes: an output unit outputting at least one of content information suitable for designated input and output and processed content information related to the content information in association therewith from a storage unit storing application IDs uniquely specifying applications, the content information, and the processed content information obtained by processing the content information by the applications in association therewith; and a selection unit selecting the content information or the processed content information output by the output unit and selecting the application ID based on the selected content information or the selected processed content information.Type: GrantFiled: October 8, 2010Date of Patent: June 7, 2016Assignee: SONY CORPORATIONInventors: Shouichi Doi, Hideo Nagasaka, Yoshinori Kurata, Masahiro Morita
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Patent number: 9356289Abstract: A secondary battery 100 includes: a positive electrode mixture layer 223 containing a positive electrode active material 610 and an electrically conductive material 620; a positive electrode current collector 221 on which the positive electrode mixture layer 223 is coated; a negative electrode mixture layer 243 containing a negative electrode active material 710; and a negative electrode current collector 241 on which the negative electrode mixture layer 243 is coated, wherein a porosity A1 of the positive electrode mixture layer 223 satisfies 0.30?A1 and, at the same time, a porosity A2 of the negative electrode mixture layer 243 satisfies 0.30?A2.Type: GrantFiled: November 12, 2010Date of Patent: May 31, 2016Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 9319718Abstract: There is provided a content server which stores a content and provides the stored content to a terminal including: a content information storage portion which stores information relating to the content to be provided to the terminal; a terminal history storage portion which stores the history of each of the terminal; a terminal control information generating portion which generates control information to the terminal to which the content is to be provided based on information stored in the content information storage portion and the terminal history storage portion; and a terminal control portion which controls the content to be provided to the terminal based on the information generated by the terminal control information generating portion.Type: GrantFiled: October 9, 2008Date of Patent: April 19, 2016Assignee: SONY CORPORATIONInventors: Yoshinori Kurata, Masahiro Morita, Shouichi Doi
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Publication number: 20160104475Abstract: According to an embodiment, a speech synthesis dictionary creating device includes a first speech input unit, a second speech input unit, a determining unit, and a creating unit. The first speech input unit receives input of first speech data. The second speech input unit receives input of second speech data which is considered to be appropriate speech data. The determining unit determines whether or not a speaker of the first speech data is the same as a speaker of the second speech data. When the determining unit determines that the speaker of the first speech data is the same as the speaker of the second speech data, the creating unit creates a speech synthesis dictionary using the first speech data and using a text corresponding to the first speech data.Type: ApplicationFiled: December 16, 2015Publication date: April 14, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kentaro TACHIBANA, Masahiro MORITA, Takehiko KAGOSHIMA
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Publication number: 20160099003Abstract: A digital watermark embedding device includes a synthesized voice generating unit that outputs a synthesized voice according to an input text and outputs phoneme-based alignment regarding phonemes included in the synthesized voice; an estimating unit that estimates whether or not a potentially risky expression is included in the input text, and outputs a potentially risky segment in which the potentially risky expression is estimated to be included; an embedding control unit that associates the potentially risky segment with the phoneme-based alignment, and decides and outputs an embedding time for embedding a watermark in the synthesized voice; and an embedding unit that embeds a digital watermark in the synthesized voice at a time specified as the embedding time for the synthesized voice.Type: ApplicationFiled: December 11, 2015Publication date: April 7, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masanobu NAKAMURA, Masahiro MORITA
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Patent number: 9304987Abstract: According to one embodiment, a content creation support apparatus includes a speech synthesis unit, a speech recognition unit, an extraction unit, a detection unit, a presentation unit and a selection unit. The speech synthesis unit performs a speech synthesis on a first text. The speech recognition unit performs a speech recognition on the synthesized speech to obtain a second text. The extraction unit extracts feature values by performing a morphological analysis on each of the first and second texts. The detection unit compares a first feature value of a first difference string and a second feature value of a second difference string. The presentation unit presents correction candidate(s) according to the second feature value. The selection unit selects one of the correction candidates in accordance with an instruction from a user.Type: GrantFiled: June 11, 2014Date of Patent: April 5, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Kosei Fume, Masahiro Morita
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Patent number: 9280967Abstract: According to one embodiment, an apparatus for supporting reading of a document includes a model storage unit, a document acquisition unit, a feature information extraction, and an utterance style estimation unit. The model storage unit is configured to store a model which has trained a correspondence relationship between first feature information and an utterance style. The first feature information is extracted from a plurality of sentences in a training document. The document acquisition unit is configured to acquire a document to be read. The feature information extraction unit is configured to extract second feature information from each sentence in the document to be read. The utterance style estimation unit is configured to compare the second feature information of a plurality of sentences in the document to be read with the model, and to estimate an utterance style of the each sentence of the document to be read.Type: GrantFiled: September 14, 2011Date of Patent: March 8, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Kosei Fume, Masaru Suzuki, Masahiro Morita, Kentaro Tachibana, Kouichirou Mori, Yuji Shimizu, Takehiko Kagoshima, Masatsune Tamura, Tomohiro Yamasaki
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Patent number: 9263729Abstract: A lithium secondary battery of the present invention has a positive electrode is provided with a positive electrode mix layer that includes a positive electrode active material and a conductive material. The positive electrode mix layer has two peaks, large and small, of differential pore volume over a pore size ranging from 0.01 ?m to 10 ?m in a pore distribution curve measured by a mercury porosimeter. A pore size of the smaller peak B of the differential pore volume is smaller than a pore size of the larger peak A of the differential pore volume.Type: GrantFiled: January 21, 2010Date of Patent: February 16, 2016Assignee: Toyota-Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Yukihiro Okada
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Patent number: 9225008Abstract: A porosity X of a positive electrode mixture layer 223 of a secondary battery 100 is 30(%)?X. A mass ratio ? of a positive electrode active material 610 in the positive electrode mixture layer 223 is 0.84???0.925 and a mass ratio ? of a conductive material 620 in the positive electrode mixture layer 223 is 0.06???0.12. In the secondary battery 100, an index Y worked out from an expression below is 30 (mL/100 g)?Y?89 (mL/100 g). The index Y is given by the expression below, Y=A×?+B×?; where A is a DBP absorption number (mL/100 g) in the positive electrode active material 610; ? is the mass ratio of the positive electrode active material 610 in the positive electrode mixture layer 223; B is a DBP absorption number (mL/100 g) of the conductive material 620; and ? is the mass ratio of the conductive material 620 in the positive electrode mixture layer 223.Type: GrantFiled: October 15, 2010Date of Patent: December 29, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Patent number: 9209459Abstract: A secondary battery 100 includes a positive electrode current collector 221 and a positive electrode mixture layer 223 which is coated over the positive electrode current collector 221. The positive electrode mixture layer 223 includes a positive electrode active material 610, an electrically conductive material 620, and a binder 630. In addition, the positive electrode active material 610 has secondary particles 910 formed by an aggregation of a plurality of primary particles of a lithium transition metal oxide, a hollow portion 920 formed in the secondary particle 910, and through holes 930 penetrating the secondary particles 910 so as to connect the hollow portion 920 and the outside. A ratio (Vbc/Va) of an inner volume Vbc of holes formed inside the positive electrode mixture layer 223 to an apparent volume Va of the positive electrode mixture layer 223 satisfies 0.25?(Vbc/Va).Type: GrantFiled: October 15, 2010Date of Patent: December 8, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Nagai, Masahiro Morita, Takashi Iwao
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Publication number: 20150325232Abstract: According to an embodiment, a speech synthesizer includes a source generator, a phase modulator, and a vocal tract filter unit. The source generator generates a source signal by using a fundamental frequency sequence and a pulse signal. The phase modulator modulates, with respect to the source signal generated by the source generator, a phase of the pulse signal at each pitch mark based on audio watermarking information. The vocal tract filter unit generates a speech signal by using a spectrum parameter sequence with respect to the source signal in which the phase of the pulse signal is modulated by the phase modulator.Type: ApplicationFiled: July 16, 2015Publication date: November 12, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kentaro TACHIBANA, Takehiko KAGOSHIMA, Masatsune TAMURA, Masahiro MORITA