METHOD OF PERFORMING MEASUREMENTS BY MEANS OF AN AUDIO SYSTEM COMPRISING PASSIVE LOUDSPEAKERS
    1.
    发明申请
    METHOD OF PERFORMING MEASUREMENTS BY MEANS OF AN AUDIO SYSTEM COMPRISING PASSIVE LOUDSPEAKERS 审中-公开
    通过包含被动扬声器的音频系统进行测量的方法

    公开(公告)号:WO2007068257A1

    公开(公告)日:2007-06-21

    申请号:PCT/DK2006/000723

    申请日:2006-12-18

    CPC classification number: H04S7/301 H04R2205/024 H04R2400/01

    Abstract: The present invention relates to a method of performing measurements by means of an audio system comprising passive loudspeakers, whereby said measurements are performed by using at least one of said loudspeakers for producing sound and at least one of said loudspeakers for measuring said sound. The present invention further relates to an audio system comprising N passive loudspeakers, wherein said audio system further comprises an output stage where each output acts as a combined output channel and a measurement input.

    Abstract translation: 本发明涉及一种通过包括无源扬声器的音频系统进行测量的方法,由此通过使用用于产生声音的所述扬声器中的至少一个和用于测量所述声音的至少一个所述扬声器来执行所述测量。 本发明还涉及一种包括N个无源扬声器的音频系统,其中所述音频系统还包括输出级,其中每个输出用作组合输出通道和测量输入。

    FAST FILTERING MEANS AND FILTERING AND DECIMATION METHODS
    2.
    发明申请
    FAST FILTERING MEANS AND FILTERING AND DECIMATION METHODS 审中-公开
    快速滤波方法及滤波方法

    公开(公告)号:WO2005086346A1

    公开(公告)日:2005-09-15

    申请号:PCT/DK2004/000140

    申请日:2004-03-02

    CPC classification number: H03H17/0664 H03H17/0223 H03H17/0226

    Abstract: The invention relates to a hardware implemented filtering method comprising the steps of establishing a representation DIS of the derivative of at least a part of a time­quantized input signal IS, and establishing at least one sample of a time- and amplitude-quantized output signal OS by performing filtering on the basis of at least a part of a filter representation IFC1, IFC2, IFC3 and said representation DIS of the derivative of at least a part of said input signal IS.The invention further relates to a hardware implemented decimation method for decimating a time-quantized input signal IS comprising the steps of - dividing said time-quantized input signal IS into intervals, for each of said intervals establishing a sample of a time- and amplitude-quantized output signal OS according to the above mentioned filtering method.The invention further relates to a fast filtering means FFM implementing the above­mentioned methods.

    Abstract translation: 本发明涉及一种硬件实现的滤波方法,包括以下步骤:建立时间量化输入信号IS的至少一部分的导数的表示DIS,以及通过以下步骤建立时间和幅度量化的输出信号OS的至少一个样本: 基于滤波器表示IFC1,IFC2,IFC3的至少一部分和所述输入信号IS的至少一部分的导数的所述表示DIS执行滤波。本发明还涉及一种硬件实现的抽取方法,用于抽取 时间量化的输入信号IS包括以下步骤:根据上述滤波方法,将所述时间量化的输入信号IS划分成间隔,用于根据上述滤波方法建立时间和幅度量化的输出信号OS的采样。 本发明还涉及实现上述方法的快速滤波装置FFM。

    POWER SUPPLY COMPENSATION
    3.
    发明申请
    POWER SUPPLY COMPENSATION 审中-公开
    电源补偿

    公开(公告)号:WO2005036734A1

    公开(公告)日:2005-04-21

    申请号:PCT/DK2003/000688

    申请日:2003-10-10

    Abstract: The invention relates to an amplifier comprising amplification means (AM) comprising an input and an output, said amplification means (AM) comprising a switching output stage delivering at least one output signal (OUS) via said output, said amplification means being fed by power supply means (PSM) said amplifier further comprising compensation means (CM) providing a compensation signal (CS) derived from the power supply voltage (PSV) of the power supply means (PSM), said compensation signal (CS) comprising a substantially inverse representation of said power supply voltage (PSV) and said compensation signal (CS) being fed to said amplification means (AM). According to the invention, an effective error compensation of the output switching stage may in practice be implemented by establishment of a compensation, which on a run-time basis is based on the voltage of the power supply currently applied in the output switching stage.

    Abstract translation: 本发明涉及一种放大器,包括包括输入和输出的放大装置(AM),所述放大装置(AM)包括通过所述输出传送至少一个输出信号(OUS)的开关输出级,所述放大装置由功率 供应装置(PSM),所述放大器还包括提供从电源装置(PSM)的电源电压(PSV)导出的补偿信号(CS))的补偿装置(CM),所述补偿信号(CS)包括基本上相反的表示 的所述电源电压(PSV)和所述补偿信号(CS)被馈送到所述放大装置(AM)。 根据本发明,实际上可以通过建立补偿来实现输出开关级的有效误差补偿,该补偿在运行时基于当前在输出切换级中施加的电源的电压。

    METHOD OF ESTABLISHING A PWM-MODULATED OUTPUT SIGNAL REPRESENTATION
    4.
    发明申请
    METHOD OF ESTABLISHING A PWM-MODULATED OUTPUT SIGNAL REPRESENTATION 审中-公开
    建立PWM调制输出信号表示的方法

    公开(公告)号:WO2005004330A1

    公开(公告)日:2005-01-13

    申请号:PCT/DK2003/000475

    申请日:2003-07-07

    CPC classification number: H03F3/2173 H03F3/217 H03F2200/351 H03K7/08

    Abstract: The invention relates to a method of establishing a PWM-modulated output signal representation (OS), providing a stream of parallelly determined intersection representations (PIR) on the basis of a stream of parallel reference signal representation (PRSR) and an input signal (IS), establishing a serial PWM output signal representation (OS) by transforming said stream of parallelly determined intersection representations (PIR) into a stream of serial intersection representations (SIR) by means of a relative time shift of at least one of said parallelly determined intersections (PIR). According to an embodiment of the invention, an advantageous way of providing intersection estimates has been obtained, as each or at least a number of intersection estimates between a reference signal and an input signal may be established partially while taking only the individual partial reference functions into consideration.

    Abstract translation: 本发明涉及一种建立PWM调制输出信号表示(OS)的方法,其基于平行参考信号表示(PRSR)和输入信号(IS)提供并行确定的交叉表示(PIR)流 ),通过将所述并行确定的相交表示(PIR)的所述流转换成串行交叉表示(SIR)流,通过至少一个所述并行确定的交点的相对时移,建立串行PWM输出信号表示(OS) (PIR)。 根据本发明的实施例,已经获得了提供交点估计的有利方式,因为参考信号和输入信号之间的每个或至少一个交点估计可以部分地建立,同时仅将各个部分参考函数转换为 考虑。

    PULSE WIDTH MODULATOR SYSTEM
    5.
    发明申请
    PULSE WIDTH MODULATOR SYSTEM 审中-公开
    脉冲宽度调制器系统

    公开(公告)号:WO2005117253A1

    公开(公告)日:2005-12-08

    申请号:PCT/DK2004/000376

    申请日:2004-05-28

    Abstract: The invention relates to pulse width modulator system (PWMS) comprising a modulator system input (MI), a modulator output (MO), an amplitude distribution filter (ADF), and a pulse width modulator (PMOD), wherein said amplitude distribution filter (ADF) establishes an intermediate output signal (OS) by modifying the level of the amplitude distribution of an input signal (IS) within at least one predetermined amplitude range of said input signal (IS), said input signal (IS) being received form said modulator system input (MI), and wherein said pulse width modulator (PMOD) provides a modulator output signal (MOS) on said modulator output (MO) on the basis of said intermediate output signal (OS).

    Abstract translation: 本发明涉及包括调制器系统输入(MI),调制器​​输出(MO),幅度分布滤波器(ADF)和脉冲宽度调制器(PMOD)的脉宽调制器系统(PWMS),其中所述幅度分布滤波器 ADF)通过在所述输入信号(IS)的至少一个预定幅度范围内修改输入信号(IS)的幅度分布的电平来建立中间输出信号(OS),所述输入信号(IS)从所述输入信号 调制器系统输入(MI),并且其中所述脉宽调制器(PMOD)基于所述中间输出信号(OS)在所述调制器输出(MO)上提供调制器输出信号(MOS)。

    SELF-OSCILLATING A/D-CONVERTER
    6.
    发明申请
    SELF-OSCILLATING A/D-CONVERTER 审中-公开
    自振式A / D转换器

    公开(公告)号:WO2005029707A1

    公开(公告)日:2005-03-31

    申请号:PCT/DK2003/000613

    申请日:2003-09-22

    CPC classification number: H03M1/508 H03M3/432 H03M3/444

    Abstract: The invention relates to at least one self-oscillating loop (SOL) comprising at least one forward path (FP), at least one feedback path (FBP) wherein said at least one forward path (FP) comprises amplitude quantizing means (AQM) combined with time quantizing means (TQM) and outputting at least one time and amplitude quantized signal (OS). According to the invention, a high-speed high-resolution A/D converter may be obtained.

    Abstract translation: 本发明涉及包括至少一个正向路径(FP),至少一个反馈路径(FBP)的至少一个自振荡回路(SOL),其中所述至少一个前向路径(FP)包括组合的幅度量化装置(AQM) 具有时间量化装置(TQM)并且输出至少一个时间和幅度量化信号(OS)。 根据本发明,可以获得高速高分辨率A / D转换器。

    METHOD OF ESTIMATING AN INTERSECTION BETWEEN AT LEAST TWO CONTINUOUS SIGNAL REPRESENTATIONS
    7.
    发明申请
    METHOD OF ESTIMATING AN INTERSECTION BETWEEN AT LEAST TWO CONTINUOUS SIGNAL REPRESENTATIONS 审中-公开
    估计两个连续信号表示之间的相互作用的方法

    公开(公告)号:WO2004105233A1

    公开(公告)日:2004-12-02

    申请号:PCT/DK2004/000361

    申请日:2004-05-21

    Abstract: The invention relates to a method of estimating an intersection between at least two continuous signal representations (SR1, SR2) in a pulse width modulator, at least one of said continuous signal representations (SR1, SR2) being non-linear, said method comprising the step of providing an intersection estimate (CPE) between said at least two continuous signal representations on the basis of at least one iteration comprising at least one iterative call of a function describing said continuous signal representations (SR1, SR2) being non-linear and whereby said estimating of intersections are performed in a pulse width modulation modulator. According to an embodiment of the invention, a simple iterative call of the established continuous signal representation, e.g. an interpolation polynomial, will provide the desired intersection. It should be noted that the established estimate might be provided without any complicated root solving and avoiding division and even square root.

    Abstract translation: 本发明涉及一种估计脉冲宽度调制器中的至少两个连续信号表示(SR1,SR2)之间的交点的方法,至少一个所述连续信号表示(SR1,SR2)是非线性的,所述方法包括 基于至少一次迭代在所述至少两个连续信号表示之间提供交集估计(CPE)的步骤,该迭代包括描述所述连续信号表示(SR1,SR2)为非线性的函数的至少一个迭代调用,并且由此 所述交点的估计在脉宽调制调制器中执行。 根据本发明的实施例,建立的连续信号表示的简单迭代调用,例如, 插值多项式将提供所需的交点。 应该指出,可以提供既定的估计,而不需要任何复杂的根解决,避免分裂甚至平方根。

    A HIGH-MODE SELF-OSCILLATING PULSE MODULATOR
    8.
    发明申请
    A HIGH-MODE SELF-OSCILLATING PULSE MODULATOR 审中-公开
    高模式自振荡脉冲调制器

    公开(公告)号:WO2008006367A1

    公开(公告)日:2008-01-17

    申请号:PCT/DK2006/000408

    申请日:2006-07-11

    CPC classification number: H03F3/217 H03F2200/351

    Abstract: The invention relates to a high-mode self-oscillating pulse modulator. According to the invention, a complete rethinking of preconditions for oscillation and modulation in an oscillating modulator as all conventional thinking of how to apply oscillation in a modulator has been set aside. Thus, according to the invention, high-mode oscillation refers to an oscillation at a higher mode than the first mode, which is conventionally regarded as the one and only applicable mode in an oscillating modulator.

    Abstract translation: 本发明涉及高模式自振荡脉冲调制器。 根据本发明,已经放下了对振荡调制器中的振荡和调制的前提条件的完全重新思考,因为已经设置了如何在调制器中应用振荡的所有常规思想。 因此,根据本发明,高模式振荡是指在比第一模式更高的模式下的振荡,其通常被认为是振荡调制器中的唯一适用模式。

    POWER SUPPLY COMPENSATION
    9.
    发明申请
    POWER SUPPLY COMPENSATION 审中-公开
    电源补偿

    公开(公告)号:WO2005036735A1

    公开(公告)日:2005-04-21

    申请号:PCT/DK2004/000696

    申请日:2004-10-11

    Abstract: The invention relates to an amplifier comprising amplification means (AM) comprising an input and an output, said amplification means (AM) comprising a switching output stage delivering at least one output signal (OUS) via said output, said amplifications means being fed by power supply means (PSM) said amplifier further comprising compensation means (CM) providing a compensation signal (CS) derived from the power supply voltage (PSV) of the power supply means (PSM), said compensation signal (CS) comprising a substantially inverse representation of said power supply voltage (PSV) and said compensation signal (CS) being fed to said amplification means (AM).

    Abstract translation: 本发明涉及一种放大器,包括包括输入和输出的放大装置(AM),所述放大装置(AM)包括通过所述输出传送至少一个输出信号(OUS)的开关输出级,所述放大装置由功率 供应装置(PSM),所述放大器还包括提供从电源装置(PSM)的电源电压(PSV)导出的补偿信号(CS))的补偿装置(CM),所述补偿信号(CS)包括基本上相反的表示 的所述电源电压(PSV)和所述补偿信号(CS)被馈送到所述放大装置(AM)。

    SELF-OSCILLATING POWER CIRCUIT
    10.
    发明申请
    SELF-OSCILLATING POWER CIRCUIT 审中-公开
    自激振荡电路

    公开(公告)号:WO2005002050A1

    公开(公告)日:2005-01-06

    申请号:PCT/DK2003/000447

    申请日:2003-06-27

    CPC classification number: H03F1/08 H03F3/217 H03F2200/78

    Abstract: The invention relates to a self-oscillating circuit comprising comparator means (CM) comprising at least one input means (IM) and at least one output means (OM), at least one of said at least one output means (OM) is coupled to at least one of said at least one input means (IM) via at least one filtering means (FM), said at least one filtering means (FM) at least partly comprising demodulation means (DM), wherein said filtering means (FM) is of at least fifth order.

    Abstract translation: 本发明涉及一种自振荡电路,其包括比较器装置(CM),其包括至少一个输入装置(IM)和至少一个输出装置(OM),所述至少一个输出装置(OM)中的至少一个耦合到 经由至少一个滤波装置(FM)的所述至少一个输入装置(IM)中的至少一个,所述至少一个滤波装置(FM)至少部分地包括解调装置(DM),其中所述滤波装置 至少五级。

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