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    • 10. 发明授权
    • Tone signal generating apparatus for performing a timbre change by
storing a full frequency band in a wave memory
    • 音频信号发生装置,用于通过将全频带存储在波形存储器中来执行音色变化
    • US5428183A
    • 1995-06-27
    • US168191
    • 1993-12-17
    • Eiji MatsudaHiroshi KitagawaGen IzumisawaJiro Tanaka
    • Eiji MatsudaHiroshi KitagawaGen IzumisawaJiro Tanaka
    • G10H1/053G10H1/12G10H7/02G10H7/08
    • G10H1/125G10H7/02Y10S84/09
    • A tone signal generating apparatus, including a memory for storing wave data containing frequency components within a full band; a tone generator for reading the wave data from the memory in accordance with key ON/OFF data to generate a tone signal; a velocity generator for generating a velocity value based on key ON/OFF data; a first coefficient processor for producing a first coefficient to control the amplitude in accordance with the velocity value generated by the velocity generator; a first operator for performing an operation on the first coefficient produced by the first coefficient processor and the tone signal generated by the tone generator, a filter for extracting frequency components within a specific band from the tone signal output from the first operator to produce a first tone signal and outputting the first tone signal; a second coefficient processor for producing a second coefficient to control the amplitude in accordance with the velocity value generated by the velocity generator; and a second operator for performing an operation on the second coefficient produced by the second coefficient processor and the tone signal produced by the tone generator to obtain a second tone signal and outputting the second tone signal.
    • 一种音频信号发生装置,包括用于存储包含全频段内的频率分量的波形数据的存储器; 一个乐音发生器,用于根据键ON / OFF数据从存储器中读出波形数据,以产生音调信号; 速度发生器,用于基于键ON / OFF数据产生速度值; 第一系数处理器,用于产生根据由速度发生器产生的速度值来控制幅度的第一系数; 用于对由第一系数处理器产生的第一系数和由乐音发生器产生的音调信号执行操作的第一操作器,用于从第一操作器输出的音调信号中提取特定频带内的频率分量的滤波器,以产生第一 并输出第一音调信号; 第二系数处理器,用于产生根据由速度发生器产生的速度值来控制振幅的第二系数; 以及第二运算器,用于对由第二系数处理器产生的第二系数和由乐音发生器产生的音调信号执行操作以获得第二音调信号并输出​​第二音调信号。