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    AUTOMATIC PERFORMANCE TECHNIQUE USING AUDIO WAVEFORM DATA
    11.
    发明申请
    AUTOMATIC PERFORMANCE TECHNIQUE USING AUDIO WAVEFORM DATA 有权
    使用音频波形数据的自动性能技术

    公开(公告)号：US20130340593A1

    公开(公告)日：2013-12-26

    申请号：US13927071

    申请日：2013-06-25

    Applicant: Yamaha Corporation

    Inventor： Norihiro UEMURA ,  Takashi MIZUHIKI ,  Kazuhiko YAMAMOTO ,  Atsuhiko MATSUSHITA

    IPC: G10H1/02

    CPC classification number: G10H7/00 ,  G10H1/02 ,  G10H7/008 ,  G10H7/02

    Abstract: A plurality of sets of waveform data and switchover position information indicative of, for each of the sets of waveform data, one or more possible switchover positions in the waveform data are prestored, and one set of waveform data is reproduced in accordance with the passage of time. During reproduction of a first set of waveform data, a second set of waveform data is designated at given timing in response to a user's instruction. Control is performed such that the waveform data to be reproduced is switched from the first set of waveform data over to the second set of waveform data in response to waveform data reproduction timing arriving at one of the possible switchover positions indicated by the switchover position information corresponding to the second set of waveform data. Reproduction of the second set of waveform data is started at the switchover position corresponding to the reproduction timing.

    Abstract translation: 预先存储多组波形数据和表示针对波形数据中的每一组波形数据中的一个或多个可能的切换位置的切换位置信息，并且一组波形数据根据 时间。 在再现第一组波形数据期间，响应于用户的指令，在给定的定时指定第二组波形数据。 执行控制，使得响应于到达对应于切换位置信息所指示的可能切换位置之一的波形数据再现定时，要再现的波形数据从第一组波形数据切换到第二组波形数据 到第二组波形数据。 在对应于再现定时的切换位置开始再现第二组波形数据。

    IMAGE PROCESSING METHOD AND IMAGE PROCESSING DEVICE
    12.
    发明申请
    IMAGE PROCESSING METHOD AND IMAGE PROCESSING DEVICE 有权

    公开(公告)号：US20210056303A1

    公开(公告)日：2021-02-25

    申请号：US17094404

    申请日：2020-11-10

    Applicant: Yamaha Corporation

    Inventor： Kazuhiko YAMAMOTO

    IPC: G06K9/00 ,  G06K9/46 ,  G06K9/62

    Abstract: An image processing method implemented by a computer includes extracting feature points from captured images that are sequentially generated by an image capture device and include at least a first captured image and a second captured image generated prior to the first captured image, determining whether the number of feature points extracted from the first captured image exceeds a threshold value, and specifying a location of the first captured image relative to the second captured image upon determining that the number of the feature points extracted from the first captured image is below the threshold value.

    AUTOMATIC PERFORMANCE TECHNIQUE USING AUDIO WAVEFORM DATA
    16.
    发明申请
    AUTOMATIC PERFORMANCE TECHNIQUE USING AUDIO WAVEFORM DATA 有权
    使用音频波形数据的自动性能技术

    公开(公告)号：US20130340594A1

    公开(公告)日：2013-12-26

    申请号：US13927066

    申请日：2013-06-25

    Applicant: Yamaha Corporation

    Inventor： Norihiro UEMURA ,  Takashi MIZUHIKI ,  Kazuhiko YAMAMOTO ,  Atsuhiko MATSUSHITA

    IPC: G10H7/04

    CPC classification number: G10H7/04 ,  G10H7/02 ,  G10H7/06 ,  G10L21/055

    Abstract: Waveform data are stored in advance together with reference position information indicative of reference positions, in the waveform data, corresponding to reference timing, such as beat timing, and correction position information indicative of correction positions in the waveform data that are different from the reference positions. The reference timing is advanced when the waveform data are reproduced. In response to arrival of the reference timing, a deviation between a reproduction position of the currently reproduced waveform data and the reference position is evaluated. When the reproduction position arrives at the correction position, the reproduction position is corrected according to the evaluated deviation. Namely, whereas measurement of the deviation, relative to the reference timing, of the currently reproduced waveform data is performed on the basis of the reference position, correction of the current reproduction position of the waveform data for compensating for the measured deviation is performed at the correction position.

    Abstract translation: 波形数据与表示参考位置的参考位置信息一起预先存储在波形数据中，对应于诸如拍子定时的参考定时，以及指示与参考位置不同的波形数据中的校正位置的校正位置信息 。 当波形数据被再现时，参考时序提前。 响应于参考定时的到来，评估当前再现的波形数据的再现位置与参考位置之间的偏差。 当再现位置到达校正位置时，根据所评估的偏差校正再现位置。 也就是说，在基于参考位置的基础上进行当前再现的波形数据相对于基准定时的偏差的测量，用于补偿测量偏差的波形数据的当前再现位置的校正在 校正位置。

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