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公开(公告)号：US08761409B2
公开(公告)日：2014-06-24
申请号：US12973367
申请日：2010-12-20
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
摘要： A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides an audio output signal. A dynamic model of the loudspeaker receives the audio output signal, and models the behavior of the loudspeaker and provides predictive loudspeaker behavior data indicative thereof. The open loop loudspeaker controller receives the predictive loudspeaker behavior data and the audio input signal, and provides the audio output signal as a function of the audio input signal and the predictive loudspeaker behavior data.
摘要翻译： 用于补偿和驱动扬声器的系统包括开环扬声器控制器，其接收和处理音频输入信号并提供音频输出信号。 扬声器的动态模型接收音频输出信号，并对扬声器的行为进行建模，并提供指示其的预测扬声器行为数据。 开环扬声器控制器接收预测扬声器行为数据和音频输入信号，并且根据音频输入信号和预测扬声器行为数据提供音频输出信号。
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公开(公告)号：US08538039B2
公开(公告)日：2013-09-17
申请号：US12973283
申请日：2010-12-20
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
IPC分类号： H04B15/00
摘要： A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides an audio output signal. A dynamic model of the loudspeaker receives the audio output signal, and models the behavior of the loudspeaker and provides predictive loudspeaker behavior data indicative thereof. The open loop loudspeaker controller receives the predictive loudspeaker behavior data and the audio input signal, and provides the audio output signal as a function of the audio input signal and the predictive loudspeaker behavior data.
摘要翻译： 用于补偿和驱动扬声器的系统包括开环扬声器控制器，其接收和处理音频输入信号并提供音频输出信号。 扬声器的动态模型接收音频输出信号，并对扬声器的行为进行建模，并提供指示其的预测扬声器行为数据。 开环扬声器控制器接收预测扬声器行为数据和音频输入信号，并且根据音频输入信号和预测扬声器行为数据提供音频输出信号。
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公开(公告)号：US08666087B2
公开(公告)日：2014-03-04
申请号：US10476169
申请日：2002-04-11
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
CPC分类号： H04M1/6083 , H04M1/6091
摘要： An integrated audio/communication system for use in a motor vehicle includes a processing unit that selectively executes control routines/programs based upon the operational mode of the system. The system may operate in a audio playback mode, and in a telephony mode. In the audio playback mode the processing unit executes a control routine/program associated with audio playback. Whereas, in the telephony mode the processing unit executes a control routine/program associated with telephony. The operational mode of the system may be switched from audio playback to telephony, and visa versa. Selectively configuring the processing unit based upon the operational mode of the system, and allowing the system to easily transition between modes, provides a highly integrated audio/communication system for use in a motor vehicle.
摘要翻译： 用于机动车辆的集成音频/通信系统包括：处理单元，其基于系统的操作模式选择性地执行控制例程/程序。 系统可以以音频播放模式和电话模式操作。 在音频播放模式中，处理单元执行与音频回放相关联的控制例程/程序。 而在电话模式中，处理单元执行与电话相关联的控制程序/程序。 系统的操作模式可以从音频播放切换到电话，反之亦然。 基于系统的操作模式选择性地配置处理单元，并允许系统容易地在模式之间转换，提供用于机动车辆的高度集成的音频/通信系统。
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公开(公告)号：US08350635B2
公开(公告)日：2013-01-08
申请号：US12047895
申请日：2008-03-13
申请人： Gerhard Pfaffinger , Arnold Knott
发明人： Gerhard Pfaffinger , Arnold Knott
IPC分类号： H03K7/08
CPC分类号： H03F3/2173 , H03F1/26 , H03F1/32 , H03F3/2175 , H03F2200/351 , H03K7/08
摘要： A method suppresses high-frequency perturbations in a pulse-width modulated signal. The pulse-width modulation may superpose a carrier signal onto an input signal having a predetermined modulation frequency. The carrier signals may be phase-shifted. The resulting modulated signals may then be filtered and combined.
摘要翻译： 一种抑制脉冲宽度调制信号中的高频扰动的方法。 脉冲宽度调制可以将载波信号叠加到具有预定调制频率的输入信号上。 载波信号可以是相移的。 然后可以对所得到的调制信号进行滤波和组合。
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公开(公告)号：US08023668B2
公开(公告)日：2011-09-20
申请号：US11610688
申请日：2006-12-14
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
摘要： A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides an audio output signal. A dynamic model of the loudspeaker receives the audio output signal, and models the behavior of the loudspeaker and provides predictive loudspeaker behavior data indicative thereof. The open loop loudspeaker controller receives the predictive loudspeaker behavior data and the audio input signal, and provides the audio output signal as a function of the audio input signal and the predictive loudspeaker behavior data.
摘要翻译： 用于补偿和驱动扬声器的系统包括开环扬声器控制器，其接收和处理音频输入信号并提供音频输出信号。 扬声器的动态模型接收音频输出信号，并对扬声器的行为进行建模，并提供指示其的预测扬声器行为数据。 开环扬声器控制器接收预测扬声器行为数据和音频输入信号，并且根据音频输入信号和预测扬声器行为数据提供音频输出信号。
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公开(公告)号：US20080260018A1
公开(公告)日：2008-10-23
申请号：US12047895
申请日：2008-03-13
申请人： Gerhard Pfaffinger , Arnold Knott
发明人： Gerhard Pfaffinger , Arnold Knott
CPC分类号： H03F3/2173 , H03F1/26 , H03F1/32 , H03F3/2175 , H03F2200/351 , H03K7/08
摘要： A method suppresses high-frequency perturbations in a pulse-width modulated signal. The pulse-width modulation may superpose a carrier signal onto an input signal having a predetermined modulation frequency. The carrier signals may be phase-shifted. The resulting modulated signals may then be filtered and combined.
摘要翻译： 一种抑制脉冲宽度调制信号中的高频扰动的方法。 脉冲宽度调制可以将载波信号叠加到具有预定调制频率的输入信号上。 载波信号可以是相移的。 然后可以对所得到的调制信号进行滤波和组合。
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公开(公告)号：US09350314B2
公开(公告)日：2016-05-24
申请号：US13333468
申请日：2011-12-21
CPC分类号： H03G3/20 , H03F3/181 , H03F2200/03 , H03F2200/165 , H03G7/007
摘要： The audio amplifier includes a variable gain amplifier receiving the input audio signal and providing the output signal, whereby the output signal corresponds to the input signal amplified by a limiter gain. The audio amplifier further includes a limiter gain calculation unit, thus the input signal is amplified by the limiter gain. A control unit receives a signal representative of the input signal and is configured to estimate, based on a mathematical model, the input current or the total output current of the audio amplifier thus providing an estimated current signal corresponding to (and resulting from) the output signal, whereby the limiter gain calculation unit is configured to calculate, dependent on the estimation, the limiter gain such that the actual input current or the total output current of the audio amplifier does not exceed a threshold current value.
摘要翻译： 音频放大器包括可变增益放大器，其接收输入音频信号并提供输出信号，由此输出信号对应于通过限制器增益放大的输入信号。 音频放大器还包括限幅器增益计算单元，因此输入信号被限幅器增益放大。 控制单元接收表示输入信号的信号，并且被配置为基于数学模型来估计音频放大器的输入电流或总输出电流，从而提供对应于输出（并由其产生）的估计电流信号 信号，由此限制器增益计算单元被配置为根据估计来计算限制器增益，使得音频放大器的实际输入电流或总输出电流不超过阈值电流值。
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公开(公告)号：US08633779B2
公开(公告)日：2014-01-21
申请号：US13235037
申请日：2011-09-16
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
IPC分类号： H03K7/08
CPC分类号： H03K7/08
摘要： A pulse width modulator for modulating a rectangular carrier signal in accordance with an input signal includes a modulating unit that receives the input signal and provides a digital output word. The output word has a pre-defined number of digits comprising a first contiguous set of binary ones (“1”) and a second contiguous set of binary zeroes (“0”) and in which the fraction of the binary ones (“1”) represents the digital input signal. The modulator also includes a random number generator that generates a pseudo-random sequence, and a flipping unit configured to flip, or not, the output word provided by the modulating unit in accordance with the pseudo-random sequence thus providing a randomly modified digital pulse width modulated output signal.
摘要翻译： 用于根据输入信号调制矩形载波信号的脉冲宽度调制器包括接收输入信号并提供数字输出字的调制单元。 输出字具有预定义的数字数字，其包括二进制零（“1”）的第一连续集合和二进制零（“0”）的第二连续集合，并且其中二进制零分数（“1” ）表示数字输入信号。 调制器还包括产生伪随机序列的随机数发生器，以及翻转单元，被配置为根据伪随机序列翻转或不翻转由调制单元提供的输出字，从而提供随机修改的数字脉冲 宽度调制输出信号。
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公开(公告)号：US20110087341A1
公开(公告)日：2011-04-14
申请号：US12973283
申请日：2010-12-20
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
摘要： A system for compensating and driving a loudspeaker includes an open loop loudspeaker controller that receives and processes an audio input signal and provides an audio output signal. A dynamic model of the loudspeaker receives the audio output signal, and models the behavior of the loudspeaker and provides predictive loudspeaker behavior data indicative thereof. The open loop loudspeaker controller receives the predictive loudspeaker behavior data and the audio input signal, and provides the audio output signal as a function of the audio input signal and the predictive loudspeaker behavior data.
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公开(公告)号：US20080130408A1
公开(公告)日：2008-06-05
申请号：US11948494
申请日：2007-11-30
申请人： Gerhard Pfaffinger
发明人： Gerhard Pfaffinger
IPC分类号： H04B17/00
CPC分类号： H04S7/00 , H04R2499/13 , H04S2420/01
摘要： System and method for tracking of a head comprising generating and radiating at least one acoustical test signal; receiving the radiated acoustical test signal(s) at two locations at the head under investigation and generating electrical measurement signals therefrom; and evaluating the two measurement signals for determining the position and/or angle of rotation φ from the measurement signals; the evaluation step comprises a cross power spectrum operation of the test signal(s) and the signals from the receivers in the frequency domain.
摘要翻译： 用于跟踪头部的系统和方法，包括生成和辐射至少一个声学测试信号; 在被调查的头部的两个位置处接收辐射的声学测试信号，并从其产生电测量信号; 并且从所述测量信号中评估用于确定旋转位置和/或旋转角度的两个测量信号; 评估步骤包括测试信号的交叉功率谱操作和来自频域中的接收器的信号。
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