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    • 1. 发明申请
    • GAIN RECOVERY IN A BIPOLAR TRANSISTOR
    • 双极晶体管中的增益恢复
    • WO2011064202A1
    • 2011-06-03
    • PCT/EP2010/068015
    • 2010-11-23
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONIBM UNITED KINGDOM LIMITEDYANG, ZhijianWANG, Ping-ChuanFENG, Kai, Di
    • YANG, ZhijianWANG, Ping-ChuanFENG, Kai, Di
    • H03F1/30
    • H03F1/302
    • A method of recovering gain in a bipolar transistor includes: providing a bipolar transistor including an emitter, a collector, and a base disposed between junctions at the emitter and the collector; reverse biasing the junction disposed between the emitter and the base with an operational voltage and for an operational time period, so that a current gain β of the transistor is degraded; idling the transistor, and generating a repair current I br into the base, while forward biasing the junction disposed between the emitter and the base with a first repair voltage (V EBR ), and while at least partly simultaneously reverse biasing the junction disposed between the collector and the base with a second repair voltage (V CBR ), for a repair time period (T R ), so that the gain is at least partly recovered.
    • 一种在双极晶体管中恢复增益的方法,包括:提供一个包括发射极,集电极和设置在发射极和集电极之间的结之间的基极的双极晶体管; 以工作电压和工作时间周期反向偏置设置在发射极和基极之间的结,从而降低晶体管的电流增益ß; 使晶体管怠速,并产生修复电流Ibr到基极,同时以第一修复电压(VEBR)向前偏置设置在发射极和基极之间的结,并且至少部分地同时反向偏置设置在集电极和 具有第二修复电压(VCBR)的基座,用于修复时间段(TR),使得增益至少部分恢复。
    • 3. 发明申请
    • A METHOD AND A SYSTEM FOR PROVIDING SOUND GENERATION INSTRUCTIONS
    • 一种用于提供声音产生指令的方法和系统
    • WO2008034446A2
    • 2008-03-27
    • PCT/DK2007/050129
    • 2007-09-17
    • CIRCLE CONSULT ApSFENG, KaiJACOBSEN, Lars FoxRØNNOW, Lauge
    • FENG, KaiJACOBSEN, Lars FoxRØNNOW, Lauge
    • G10H1/00G10H1/18
    • G10H1/46G10H2210/031G10H2210/155G10H2250/235
    • A method and a system for providing sound generation instructions from a digitized input signal are provided. The invention comprises transforming at least part of the digitized input signal into a feature representation, extracting characteristic features of the obtained feature representation, comparing at least part of the extracted characteristic features against stored data representing a number of signal classes, selecting a signal class to represent the digitized input signal based on said comparison, and selecting from stored data, which represents a number of sound effects, sound effect data representing the selected signal class. Sound volume data is determined from stored reference volume data corresponding to the selected signal class and/or sound effect and from at least part of the obtained characteristic features, and sound generation instructions are generated based at least partly on the obtained sound effect data and the obtained sound volume data. It is preferred that the sound generation instructions are forwarded to a sound generating system, and that a sound output corresponding to the digitized input signal is generated by use of said sound generating system and the sound generation instructions. The transformation of the digitized input signal into a feature representation may include the use of Fourier transformation, and the extraction of the characteristic features may com- prise an extraction method using spectrum analysis and/or cepstrum analysis. For each signal class there may be corresponding reference volume data.
    • 提供了一种用于从数字化输入信号提供声音生成指令的方法和系统。 本发明包括将数字化输入信号的至少一部分变换成特征表示,提取所获得的特征表示的特征特征,将所提取的特征特征的至少一部分与表示多个信号类别的存储数据相比较,选择信号类别以 基于所述比较表示数字化输入信号,并且从代表多个声音效果的存储数据中选择表示所选择的信号类别的声音效果数据。 根据与所选择的信号等级和/或声音效果对应的所存储的参考音量数据以及至少部分所获得的特征特征来确定音量数据,并且至少部分地基于所获得的音效数据和 获得音量数据。 优选的是,声音生成指令被转发到声音生成系统,并且通过使用所述声音生成系统和声音生成指令来生成与数字化输入信号相对应的声音输出。 将数字化输入信号转换成特征表示可以包括使用傅里叶变换,并且特征特征的提取可以包括使用频谱分析和/或倒谱分析的提取方法。 对于每个信号类别,都可能有相应的参考体积数据。
    • 5. 发明申请
    • A METHOD AND A SYSTEM FOR PROVIDING SOUND GENERATION INSTRUCTIONS
    • 一种用于提供声音生成指令的方法和系统
    • WO2008034446A3
    • 2008-05-08
    • PCT/DK2007050129
    • 2007-09-17
    • CIRCLE CONSULT APSFENG KAIJACOBSEN LARS FOXROENNOW LAUGE
    • FENG KAIJACOBSEN LARS FOXROENNOW LAUGE
    • G10H1/00G10H1/18
    • G10H1/46G10H2210/031G10H2210/155G10H2250/235
    • A method and a system for providing sound generation instructions from a digitized input signal are provided. The invention comprises transforming at least part of the digitized input signal into a feature representation, extracting characteristic features of the obtained feature representation, comparing at least part of the extracted characteristic features against stored data representing a number of signal classes, selecting a signal class to represent the digitized input signal based on said comparison, and selecting from stored data, which represents a number of sound effects, sound effect data representing the selected signal class. Sound volume data is determined from stored reference volume data corresponding to the selected signal class and/or sound effect and from at least part of the obtained characteristic features, and sound generation instructions are generated based at least partly on the obtained sound effect data and the obtained sound volume data. It is preferred that the sound generation instructions are forwarded to a sound generating system, and that a sound output corresponding to the digitized input signal is generated by use of said sound generating system and the sound generation instructions. The transformation of the digitized input signal into a feature representation may include the use of Fourier transformation, and the extraction of the characteristic features may com- prise an extraction method using spectrum analysis and/or cepstrum analysis. For each signal class there may be corresponding reference volume data.
    • 提供了一种用于从数字化输入信号提供声音生成指令的方法和系统。 本发明包括将数字化输入信号的至少一部分变换为特征表示,提取所获得的特征表征的特征,将提取的特征特征的至少一部分与表示多个信号类的存储数据进行比较,选择信号类别 基于所述比较来表示数字化输入信号,并且从表示多个声音效果的存储数据中选择表示所选信号类的声音效果数据。 音量数据是根据所选择的信号等级和/或声音效果的所存储的参考音量数据和从所获得的特征特征的至少一部分确定的,并且至少部分地基于获得的声音效果数据和 获得音量数据。 优选地,声音生成指令被转发到声音发生系统,并且通过使用所述声音生成系统和声音生成指令来生成对应于数字化输入信号的声音输出。 将数字化输入信号转换为特征表示可以包括使用傅里叶变换,并且特征特征的提取可以使用频谱分析和/或倒谱分析来提取提取方法。 对于每个信号类,可能有相应的参考体数据。