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公开(公告)号：US20200160820A1
公开(公告)日：2020-05-21
申请号：US16751694
申请日：2020-01-24
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA
Abstract: A performance analysis method according to the present invention includes generating information related to a performance tendency of a user, from observed performance information relating to a performance of a musical piece by the user and inferred performance information that occurs when the musical piece is performed based on a specific tendency.
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公开(公告)号：US20190172433A1
公开(公告)日：2019-06-06
申请号：US16252293
申请日：2019-01-18
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
IPC: G10H1/00
Abstract: A control method includes receiving a detection result relating to a first event in a performance; changing a following degree in a middle of the performance to which a second event in the performance follows the first event; and determining an operating mode of the second event based on the following degree.
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13.发明申请公开(公告)号：US20190156800A1
公开(公告)日：2019-05-23
申请号：US16256103
申请日：2019-01-24
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA , Kazuhiko YAMAMOTO
CPC classification number: G10H1/0008 , G10H1/36 , G10H1/361 , G10H2210/076 , G10H2210/091 , G10H2220/121 , G10H2220/131 , G10H2220/201 , G10H2220/455 , G10H2240/325 , G10H2250/311
Abstract: An automatic performance system includes a sign detector configured to detect a sign action of a performer performing a musical piece, a performance analyzer configured to sequentially estimates a performance position in the musical piece by analyzing an acoustic signal representing performed sound in parallel with the performance, and a performance controller configured to control an automatic performance device to carry out an automatic performance of the musical piece so that the automatic performance is synchronized with the sign action detected by the sign detector and a progress of the performance position estimated by the performance analyzer.
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公开(公告)号：US20190019525A1
公开(公告)日：2019-01-17
申请号：US16135818
申请日：2018-09-19
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: An audio processing device includes a feature extraction unit and signal generating unit. The feature extraction unit is configured to extract a feature quantity of a first audio signal for each of a plurality of periods. The signal generating unit is configured to for generate a second audio signal by time axis expanding/compressing either a section of the first audio signal in which the feature quantity is steadily maintained for a period time, or a section of the first audio signal in which a fluctuation of the feature quantity is repeated and excluding from the time axis expanding/compressing a section of the first audio signal in which a fluctuation of the feature quantity is not similar to that of other sections of the first audio signal.
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15.发明申请公开(公告)号：US20170337910A1
公开(公告)日：2017-11-23
申请号：US15597675
申请日：2017-05-17
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA , Kazuhiko YAMAMOTO
CPC classification number: G10H1/0008 , G10H1/36 , G10H1/361 , G10H2210/076 , G10H2210/091 , G10H2220/121 , G10H2220/131 , G10H2220/201 , G10H2220/455 , G10H2240/325 , G10H2250/311
Abstract: An automatic performance system includes a sign detector configured to detect a sign action of a performer performing a musical piece, a performance analyzer configured to sequentially estimates a performance position in the musical piece by analyzing an acoustic signal representing performed sound in parallel with the performance, and a performance controller configured to control an automatic performance device to carry out an automatic performance of the musical piece so that the automatic performance is synchronized with the sign action detected by the sign detector and a progress of the performance position estimated by the performance analyzer.
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Patent Agency Ranking
公开(公告)号：US20250111572A1
公开(公告)日：2025-04-03
申请号：US18978362
申请日：2024-12-12
Applicant: Yamaha Corporation
Inventor： Takuma TAKEMOTO , Takuya FUJISHIMA , Akira MAEZAWA , Norihiro UEMURA , Yoshinari NAKAMURA , Yuki YAMAMOTO
Abstract: A model data control method includes receiving first model data of a performer and second model data of an instrument, receiving calibration data related to a size of the performer or the instrument, receiving motion data of the performer, correcting the first model data or the second model data, using the calibration data, rendering the first model data and the second model data after the correcting, and controlling the first model data using the motion data
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公开(公告)号：US20250029581A1
公开(公告)日：2025-01-23
申请号：US18905447
申请日：2024-10-03
Applicant: YAMAHA CORPORATION
Inventor： Yoshimasa ISOZAKI , Katsunori SUZUKI , Takahiro TERADA , Takashi MORI , Jun ISHII , Ibuki HANDA , Takuya FUJISHIMA , Koji YATAKA , Yukio WAKUI , Soichi TAKIGAWA , Akira MAEZAWA , Haruki OHKAWA , Yoshikatsu MATSUBARA , Yasuhiko OBA , Fukutaro OKUYAMA , Tomoya SASAKI , Rei FURUKAWA
Abstract: A control device in one embodiment includes a first transmission unit, a first receiving unit, and a first generation unit. The first transmission unit is configured to transmit first performance data including contents of playing a keyboard instrument at a first communication base to a second communication base. The first receiving unit is configured to receive second performance data from the second communication base. The first generation unit is configured to generate a drive signal to produce a sound in accordance with the second performance data and output the drive signal to a sound generation device at the first communication base. At least one of the first performance data and the second performance data includes a key position signal indicating a key press amount on the keyboard instrument.
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18.发明公开公开(公告)号：US20240013756A1
公开(公告)日：2024-01-11
申请号：US18472432
申请日：2023-09-22
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA
CPC classification number: G10H1/0008 , G10H1/34 , G10H2220/455
Abstract: An information processing method is implemented by a computer system. The information processing method includes: generating operation data representing one or more fingers, of a plurality of fingers of a left hand and a right hand of a user, that operate a musical instrument, by analyzing a performance image indicating the plurality of fingers of the user who plays the musical instrument; and executing first processing in a case where the operation data represents the musical instrument being operated with a finger of the left hand, and executing second processing different from the first processing in a case where the operation data represents the musical instrument being operated with a finger of the right hand.
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公开(公告)号：US20230005458A1
公开(公告)日：2023-01-05
申请号：US17940539
申请日：2022-09-08
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA , Katsuhiro IGUCHI
Abstract: A parameter inference method realized by a computer, includes obtaining target performance information indicating a performance of music using an electronic musical instrument; inferring assist information from the target performance information with use of a trained inference model generated through machine learning, the assist information being related to setting of a parameter of the electronic musical instrument that conforms to a tendency of the performance; and outputting the inferred assist information related to the setting of the parameter.
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公开(公告)号：US20220238089A1
公开(公告)日：2022-07-28
申请号：US17720630
申请日：2022-04-14
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: A performance analysis method is realized by a computer and includes acquiring a time series of input data representing played pitch that is played, inputting the acquired time series of input data into an estimation model that has learned a relationship between a plurality of items of training input data representing pitch and a plurality of items of training output data representing an acoustic effect to be added to sound having the pitch, and generating a time series of output data for controlling an acoustic effect to be added to sound having the played pitch represented by the acquired time series of input data.
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