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公开(公告)号：US20210319775A1
公开(公告)日：2021-10-14
申请号：US17355574
申请日：2021-06-23
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA
Abstract: A musical performance correction method executable by a computer, the musical performance correction method includes: estimating a playing position in a musical composition by analyzing musical performance data indicating a played pitch played by a user; and correcting the played pitch indicated by the musical performance data to a reference pitch, from among a plurality of reference pitches corresponding to the playing position in the musical composition, in a case where a difference between the played pitch and the reference pitch is less than a predetermined value.
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公开(公告)号：US20210151014A1
公开(公告)日：2021-05-20
申请号：US17158709
申请日：2021-01-26
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: An information processing method includes generating performance data that represent a performance of a musical piece that reflects a change caused by a factor that alters the performance of the musical piece, by inputting musical score data, which represent a musical score of the musical piece, and variability data, which represent the factor, into a trained model.
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公开(公告)号：US20200152162A1
公开(公告)日：2020-05-14
申请号：US16743909
申请日：2020-01-15
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
IPC: G10H1/00
Abstract: A music analysis method includes estimating a plurality of provisional points that are candidates for a specific point that has musical meaning in a musical piece from an audio signal of the musical piece by using a first process, selecting a part of a plurality of candidate points, which include the plurality of provisional points and a plurality of division points that divide intervals between the plurality of provisional points, as a plurality of selection points, and estimating a plurality of specific points in the musical piece from a result of calculating a probability that each of the plurality of selection points is the specific point by using a second process which is different from the first process.
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公开(公告)号：US20190251940A1
公开(公告)日：2019-08-15
申请号：US16393592
申请日：2019-04-24
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: An audio analysis method includes calculating, from an audio signal, a sound generation probability distribution which is a distribution of probabilities that sound representing the audio signal is generated at each position in a music piece, estimating, from the sound generation probability distribution, a sound generation position of the sound in the music piece, and calculating, from the sound generation probability distribution, an index of validity of the sound generation probability distribution.
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35.发明申请公开(公告)号：US20190156806A1
公开(公告)日：2019-05-23
申请号：US16252086
申请日：2019-01-18
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: An apparatus for analyzing musical performance includes a controller. The controller is configured to detect a cue gesture of a performer who plays a piece of music. The controller is also configured to calculate a distribution of likelihood of observation and estimate the playback position depending on the distribution of the likelihood of observation. The calculating of the distribution of the likelihood of observation includes decreasing the likelihood of observation during a period prior to a reference point specified on a time axis for the piece of music in a case where the cue gesture is detected.
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Patent Agency Ranking
公开(公告)号：US20190156801A1
公开(公告)日：2019-05-23
申请号：US16252187
申请日：2019-01-18
Applicant: Yamaha Corporation
Inventor： Akira MAEZAWA
Abstract: A timing control method includes generating a timing designation signal according to one of a first generation mode for generating the timing designation signal which designates, based on a detection result of a first event in a performance of a music piece, a timing of a second event in the performance, and a second generation mode for generating the timing designation signal without using the detection result, and outputting a command signal for commanding an execution of the second event according to one of a first output mode for outputting the command signal in accordance with the timing designated by the timing designation signal, and a second output mode for outputting the command signal in accordance with a timing determined based on the music piece.
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公开(公告)号：US20150277731A1
公开(公告)日：2015-10-01
申请号：US14669190
申请日：2015-03-26
Applicant: YAMAHA CORPORATION
Inventor： Norihiro UEMURA , Motoichi TAMURA , Yasuyuki UMEYAMA , Takuya FUJISHIMA , Yoshihiro KATSUMATA , Kazuki KASHIWASE , Motoji NAGATA , Akira MAEZAWA
IPC: G06F3/0484 , G06F3/0483
CPC classification number: G06F3/04847 , G06F3/0483 , G06F3/04842 , G10G1/00 , G10H1/0008 , G10H2220/015 , G10H2220/101 , G10H2220/391 , G10H2240/141
Abstract: Once obtained a turn-over instruction to proceed a score on one image area to which one grand staff among plural grand staves displayed on a screen of a user I/F belongs, a controller of a score displaying apparatus performs a process of scrolling the image areas upward on the screen of the user I/F, disposing the image area on which the turn-over instruction is accepted at a highest level of the screen of the user I/F, sequentially aligning a plurality of consecutive image areas in a forward direction on a timeline of the score with respect to the image area on which the turn-over instruction is accepted below the image area on which the turn-over instruction is accepted, and displaying the image areas on the screen of the user I/F.
Abstract translation: 一旦获得了翻转指令，以在用户I / F的屏幕上显示的多个大板条中的一个大员工在一个图像区域上进行分数，则得分显示装置的控制器执行滚动图像的处理 在用户I / F的屏幕上向上的区域，在用户I / F的屏幕的最高级别处设置接受翻转指令的图像区域，将多个连续的图像区域顺序对准 相对于其上接受翻转指令的图像区域被接受的图像区域的分数的时间线上的方向，并且在用户I / F的屏幕上显示图像区域 。
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公开(公告)号：US20250014543A1
公开(公告)日：2025-01-09
申请号：US18891161
申请日：2024-09-20
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA , Takuma TAKEMOTO
IPC: G10H1/00
Abstract: A data output method according to one embodiment includes: sequentially acquiring input data related to a musical playing operation; obtaining a plurality of estimation information including first estimation information and second estimation information by providing the input data to a plurality of estimation models including a first estimation model and a second estimation model; identifying a musical score playing position based on the plurality of estimation information; and reproducing and outputting predetermined data based on the musical score playing position. The first estimation model indicates a relationship between performance data relating to the performance operation and a sheet music position in prescribed sheet music. The second estimation model is obtained by learning a relationship between the performance data and an intra-measure position.
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公开(公告)号：US20250005931A1
公开(公告)日：2025-01-02
申请号：US18885958
申请日：2024-09-16
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA , Takahisa INOUE , Takashi YAMASHIRO , Daiki YOSHIOKA , Shotaro WATANABE , Shingo EKUNI
Abstract: An information processing system includes an information acquirer configured to acquire input information including finger information relating to a finger of a user playing a string instrument and an image of a fretboard of the string instrument and sound information of sound of the string instrument played by the user, and an information generator configured to generate fingering information indicative of fingering by processing the acquired input information using a generation model that learns a relationship between training input information and training fingering information.
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40.发明公开公开(公告)号：US20240013754A1
公开(公告)日：2024-01-11
申请号：US18472387
申请日：2023-09-22
Applicant: YAMAHA CORPORATION
Inventor： Akira MAEZAWA
CPC classification number: G10G1/02 , G06V40/28 , G06T7/70 , G09B15/00 , G06T2207/30196
Abstract: A performance analysis method is implemented by a computer system. The performance analysis method includes: obtaining performance data representing performance by a performer on a musical instrument; obtaining a performance image of performer's fingers playing the musical instrument; generating finger position data representing a position of each of the performer's fingers from the performance image; generating fingering data representing fingering in a performance by the performer based on the performance data and the finger position data; and displaying a performance image based on the generated fingering data.
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