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    • 11. 发明申请
    • AUTOMATED PERFORMANCE TECHNOLOGY USING AUDIO WAVEFORM DATA
    • 使用音频波形数据的自动性能技术
    • US20150154979A1
    • 2015-06-04
    • US14411094
    • 2013-06-26
    • Yamaha Corporation
    • Norihiro UemuraEiji Murata
    • G10L21/04G10L21/01
    • G10L21/04G10H1/00G10H1/0066G10H1/22G10H1/40G10H7/006G10H7/02G10H2210/385G10H2230/041G10H2250/541G10H2250/621G10H2250/635G10H2250/645G10L21/01G11B20/10527G11B27/005
    • In order to play waveform data back at a variable performance tempo by using waveform data which complies with a desired reference tempo, the present invention performs a timeline-expansion/contraction control on the waveform data to be played back, according to the relationship between the performance tempo and the reference tempo. The present invention also determines whether to limit the playback of the waveform data according to the relationship between the performance tempo and the reference tempo. In the case that playback is to be limited, the present invention stops playback of the waveform data, or reduces the resolution of playback processing and continues playback of the waveform data. The present invention stops playback of the waveform data when, for example, the relationship between the performance tempo and the reference tempo is a relationship in which the waveform data would be played back at a performance tempo which would cause a processing delay or a deterioration of sound quality. As a result, it is possible to preemptively prevent a system freeze and solve problems such as the generation of music which has a slower tempo than the desired performance tempo, or the generation of music which includes the intermittent cutting out of sound due to noise, or a significant reduction to sound quality.
    • 为了通过使用符合所需参考速度的波形数据以可变的演奏速度播放波形数据,本发明根据所要求的参考节奏的关系对要重放的波形数据执行时间线扩展/缩小控制 性能节奏和参考节奏。 本发明还根据演奏速度与基准速度之间的关系来确定是否限制波形数据的重放。 在限制播放的情况下,本发明停止对波形数据的重放,或降低重放处理的分辨率并继续重放波形数据。 本发明在例如性能速度与基准速度之间的关系是波形数据以将导致处理延迟或劣化的性能节奏被重放的关系时停止对波形数据的重放 音质。 结果,可以预先防止系统冻结并且解决诸如产生具有比期望的性能节奏更慢的速度的音乐的问题,或者产生包括因噪声而间断地切断声音的音乐, 或显着降低音质。
    • 12. 发明申请
    • MUSICAL SOUND GENERATION DEVICE, STORAGE MEDIUM, AND MUSICAL SOUND GENERATION METHOD
    • 音乐声音发生装置,存储媒体和音乐声音发生方法
    • US20150122110A1
    • 2015-05-07
    • US14595845
    • 2015-01-13
    • CASIO COMPUTER CO., LTD.
    • Hiroaki NAGASAKA
    • G10H7/02
    • G10H7/02G10H7/002G10H7/06
    • An address for reading, from a waveform memory connected by a bus, waveform data to be assigned to each of a plurality of sound generation channels for generating a musical sound, is calculated, by time division, for each sound generation channel, and the calculated address and the sound generation channels are associated and stored in an address memory. When the bus is in an empty state, an address stored in the address memory is read, and waveform data is read from the waveform memory based on the read address; the read waveform data is assigned to the corresponding sound generation channel, and generation of a musical sound is prescribed for the sound generation channel to which the waveform data is assigned.
    • 对于每个声音产生通道,通过时分算出用于从由总线连接的波形存储器读取要分配给多个用于产生音乐声音的声音产生通道中的每一个的波形数据的地址,并且计算出 地址和声音生成通道被关联并存储在地址存储器中。 当总线处于空闲状态时,读取存储在地址存储器中的地址,并根据读取的地址从波形存储器读取波形数据; 读取的波形数据被分配给对应的声音生成通道,并且为分配了波形数据的声音生成通道规定音乐声音的产生。
    • 13. 发明申请
    • ELECTRONIC CYMBAL
    • 电子元器件
    • US20140298978A1
    • 2014-10-09
    • US14190106
    • 2014-02-26
    • ROLAND CORPORATION
    • KIYOSHI YOSHINO
    • G10H1/32
    • G10H1/32G10H3/143G10H3/146G10H7/02
    • An electronic cymbal includes a disk-shaped main body portion and a striking sensor. A covering member is provided to cover an outer circumferential edge portion of the main body portion and includes an upper covering portion covering an upper surface side of the main body portion, an extending portion extending further toward an outer circumferential side than the outer circumferential edge portion of the main body portion, a lower covering portion covering a lower surface side of the main body portion. The striking sensor at least includes an edge sensor between the lower surface of the main body portion and the lower covering portion, and by pressing down the extending portion, the lower covering portion is elastically deformed in a direction toward the main body portion to sandwich the edge sensor with the lower covering portion and the main body portion and press the edge sensor.
    • 电子钹包括盘形主体部分和打击传感器。 覆盖部件设置为覆盖主体部的外周缘部,并且包括覆盖主体部的上表面侧的上覆盖部,向外周侧侧延伸的延伸部, 主体部分的下表面侧的下覆盖部分。 打击传感器至少包括在主体部分的下表面和下覆盖部分之间的边缘传感器,并且通过按压延伸部分,下覆盖部分沿着朝向主体部分的方向弹性变形,以夹住 边缘传感器具有下覆盖部分和主体部分并且按压边缘传感器。
    • 20. 发明申请
    • MUSICAL PERFORMANCE APPARATUS
    • 音乐表演装置
    • US20130174714A1
    • 2013-07-11
    • US13734284
    • 2013-01-04
    • YAMAHA CORPORATION
    • Takahiro ADACHI
    • G10H7/02
    • G10H7/02G10H1/46G10H2220/096G10H2250/541G10H2250/641G10H2250/645
    • A musical performance apparatus has a waveform memory WM in which sample values indicative of waveforms of a plurality of tones are stored so that the sampling periods correspond to addresses. The musical performance apparatus also has a tone generation circuit 15 which can repeatedly reproduce a section of the tone. A loop top address and loop end address corresponding to the top and end of the section of the first tone, respectively, are designated. When a reading address for reading the sample values of the first tone has reached a certain address, the tone generation circuit 15 changes the designated loop top address and the loop end address to addresses corresponding to the top and end of the section of the second tone so that the reproduction of the section of the second tone will start at a position which is situated in the section of the second tone and corresponds to the certain address.
    • 音乐演奏装置具有波形存储器WM,其中存储指示多个音调的波形的采样值,使得采样周期对应于地址。 音乐演奏装置还具有可重复再现一部分音调的乐音产生电路15。 指定分别对应于第一音调的部分的顶部和末端的循环顶部地址和循环结束地址。 当用于读取第一音调的采样值的读取地址已经达到某个地址时,音调产生电路15将指定的回路顶部地址和循环结束地址改变为对应于第二音调的部分的顶部和末端的地址 使得第二音调的部分的再现将从位于第二音调的部分中的位置开始,并且对应于该特定地址。