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    • 2. 发明授权
    • Noise generator for a polyphonic tone synthesizer
    • 用于复音音调合成器的噪声发生器
    • US4270430A
    • 1981-06-02
    • US95896
    • 1979-11-19
    • Ralph Deutsch
    • Ralph Deutsch
    • G10H7/08G10H1/42G10H7/10G10H1/08G10H5/00
    • G10H7/105G10H1/42G10H2250/211G10H2250/301G10H2250/495G10H2250/501
    • In an electronic musical instrument apparatus is provided for producing a noise-like signal suitable for a variety of musical effect such as the imitation of percussive musical instruments. A noise master data set is created repetitively and independently of tone generation by computing a Fourier algorithm using random values for the Fourier coefficients. The noise master data set is transferred to a noise tone register whose output is sequentially and repetitively read and converted to an analog noise signal. Formant circuitry is used to vary the noise signal's spectrum in a time variant manner and the frequency of an assigned variable frequency clock can be used to vary the spectral bandwidth of the output noise signal.
    • 提供了一种电子乐器装置,用于产生适合各种音乐效果的噪声状信号,例如模仿敲击乐器。 通过使用傅里叶系数的随机值计算傅里叶算法,重复地和独立于音调生成来产生噪声主数据集。 噪声主数据组被传送到噪声音调寄存器,其输出被顺序地重复读取并转换成模拟噪声信号。 共振电路用于以时变方式改变噪声信号的频谱,并且可以使用所分配的可变频率时钟的频率来改变输出噪声信号的频谱带宽。
    • 4. 发明授权
    • Piano sound source apparatus, method and program for piano sound synthesis
    • 钢琴声源设备,钢琴合成方法和程序
    • US07468482B2
    • 2008-12-23
    • US11765558
    • 2007-06-20
    • Takayuki GouharaShinichi KomoriTomoe Ando
    • Takayuki GouharaShinichi KomoriTomoe Ando
    • G10H5/00
    • G10H7/006G10H2250/035G10H2250/441G10H2250/495
    • Disclosed is a piano sound source apparatus for adding a piano sound source providing a plurality of sinusoidal oscillation frequencies and a noise source providing a plurality of noise oscillation frequencies to output a composite tone. The apparatus includes an oscillation control unit that controls the frequency and amplitude of each of sine waves corresponding to the sinusoidal oscillation frequencies on the basis of time, an amplitude control unit that controls the amplitude of each of the sine waves corresponding to the sinusoidal oscillation frequencies in accordance with the intensity of the composite tone, and a mixing-proportion control unit that controls the amplitude of each of the noise oscillation frequencies in accordance with the intensity of the composite tone to control the mixing proportion of the amplitudes of the noise oscillation frequencies and those of the sine waves corresponding to the sinusoidal oscillation frequencies.
    • 公开了一种用于添加提供多个正弦振荡频率的钢琴声源的钢琴声源装置和提供多个噪声振荡频率以输出复合音调的噪声源。 该装置包括:振荡控制单元,其基于时间来控制与正弦振荡频率对应的每个正弦波的频率和振幅;幅度控制单元,其控制对应于正弦振荡频率的每个正弦波的幅度 根据复合音调的强度,以及混合比例控制单元,其根据复合音调的强度来控制每个噪声振荡频率的振幅,以控制噪声振荡频率的振幅的混合比例 正弦波对应于正弦振荡频率的那些。
    • 5. 发明授权
    • Sound synthesis by combining a slowly varying underlying spectrum, pitch and loudness with quicker varying spectral, pitch and loudness fluctuations
    • 通过将慢速变化的底层频谱,音调和响度与更快的频谱,音调和响度波动相结合,进行声音合成
    • US07750229B2
    • 2010-07-06
    • US11637596
    • 2006-12-12
    • Eric Lindemann
    • Eric Lindemann
    • G10H1/02G10H1/04G10H1/06G10H1/12G10H1/46G10H5/02G10H7/00
    • G10H7/006G10H1/0066G10H2210/201G10H2210/225G10H2250/211G10H2250/495G10H2250/615
    • The present synthesizer generates an underlying spectrum, pitch and loudness for a sound to be synthesized, and then combines the underlying spectrum, pitch and loudness with stored Spectral, Pitch, and Loudness Fluctuations and noise elements. The input to the synthesizer is typically a MIDI stream. A MIDI preprocess block processes the MIDI input and generates the signals needed by the synthesizer to generate output sound phrases. The synthesizer comprises a harmonic synthesizer block (which generates an output representing the tonal audio portion of the output sound), an Underlying Spectrum, Pitch, and Loudness (which takes pitch and loudness and uses stored algorithms to generate the slowly varying portion of the output sound) and a Spectral, Pitch, and Loudness Fluctuation portion (which generates the quickly varying portion of the output sound by selecting and combining Spectral, Pitch, and Loudness Fluctuation segments stored in a database). A specialized analysis process is used to derive the formulas used by the Underlying Spectrum, Pitch, and Loudness and to generate and store the Spectral, Pitch, and Loudness Fluctuation segments stored in the database.
    • 本合成器为合成的声音生成基础频谱,音调和响度,然后将基础频谱,音调和响度与存储的频谱,音高和响度波动和噪声元素相结合。 合成器的输入通常是MIDI流。 MIDI预处理块处理MIDI输入并生成合成器所需的信号以产生输出声音短语。 合成器包括谐波合成器块(其产生表示输出声音的音调音频部分的输出),基础频谱,音高和响度(其​​采用音调和响度,并且使用存储的算法来生成输出的缓慢变化部分 声音)和光谱,音高和响度波动部分(通过选择和组合存储在数据库中的光谱,音高和响度波动段来产生输出声音的快速变化部分)。 使用专门的分析过程来导出基础频谱,音高和响度所使用的公式,并生成和存储数据库中存储的谱,音高和响度波动段。
    • 7. 发明申请
    • Piano Sound Source Apparatus, Method and Program for Piano Sound Synthesis
    • 钢琴声源综合钢琴声源装置,方法与程序
    • US20080011150A1
    • 2008-01-17
    • US11765558
    • 2007-06-20
    • Takayuki GouharaShinichi KomoriTomoe Ando
    • Takayuki GouharaShinichi KomoriTomoe Ando
    • G10H5/00
    • G10H7/006G10H2250/035G10H2250/441G10H2250/495
    • Disclosed is a piano sound source apparatus for adding a piano sound source providing a plurality of sinusoidal oscillation frequencies and a noise source providing a plurality of noise oscillation frequencies to output a composite tone. The apparatus includes an oscillation control unit that controls the frequency and amplitude of each of sine waves corresponding to the sinusoidal oscillation frequencies on the basis of time, an amplitude control unit that controls the amplitude of each of the sine waves corresponding to the sinusoidal oscillation frequencies in accordance with the intensity of the composite tone, and a mixing-proportion control unit that controls the amplitude of each of the noise oscillation frequencies in accordance with the intensity of the composite tone to control the mixing proportion of the amplitudes of the noise oscillation frequencies and those of the sine waves corresponding to the sinusoidal oscillation frequencies.
    • 公开了一种用于添加提供多个正弦振荡频率的钢琴声源的钢琴声源装置和提供多个噪声振荡频率以输出复合音调的噪声源。 该装置包括:振荡控制单元,其基于时间来控制与正弦振荡频率对应的每个正弦波的频率和振幅;幅度控制单元,其控制对应于正弦振荡频率的每个正弦波的幅度 根据复合音调的强度,以及混合比例控制单元,其根据复合音调的强度来控制每个噪声振荡频率的振幅,以控制噪声振荡频率的振幅的混合比例 正弦波对应于正弦振荡频率的那些。