HIGHLY EFFICIENT CLASS-D AMPLIFIER
    41.
    发明申请
    HIGHLY EFFICIENT CLASS-D AMPLIFIER 有权
    高效的CLASS-D放大器

    公开(公告)号:US20120068739A1

    公开(公告)日:2012-03-22

    申请号:US12885141

    申请日:2010-09-17

    IPC分类号: H03K3/00

    摘要: A simplistic low cost circuit that generates the necessary drive voltage for use in a source follower totem pole power switching circuit is described where the simplified gate drive circuit may have a dual charge pump and a complementary pair of low-power switching Mosfets.

    摘要翻译: 在简化的栅极驱​​动电路可以具有双电荷泵和互补的一对低功率开关Mosfet的情况下,描述了产生用于源极跟随器图腾柱功率开关电路所需的驱动电压的简单的低成本电路。

    SOLID-BOWL SCREW CENTRIFUGE AND PROCESS FOR ITS OPERATION
    42.
    发明申请
    SOLID-BOWL SCREW CENTRIFUGE AND PROCESS FOR ITS OPERATION 有权
    固定螺丝钉螺钉及其操作方法

    公开(公告)号:US20100041535A1

    公开(公告)日:2010-02-18

    申请号:US12278942

    申请日:2007-02-07

    IPC分类号: B04B7/08 B04B1/20 B04B13/00

    摘要: A solid-bowl screw centrifuge includes a rotatable drum having a horizontal axis of rotation, which drum surrounds a centrifuging space. Further included is a screw which is arranged within the drum, the screw being rotatable at a different speed relative to the drum. Further included is at least one liquid discharge sealed from its surroundings and at least one solid discharge in a tapering region of the drum. Also included is an immersion disk on the screw which disk lies between a liquid feed and the solid discharge and divides the centrifuging space into a discharge space between the immersion disk and the solid discharge, and a separation space between the immersion disk and the liquid discharge. The centrifuge includes a device for charging the separation space with a gas. A process for operating for the solid-bowl centrifuge is also disclosed.

    摘要翻译: 固体碗螺杆离心机包括具有水平旋转轴线的可旋转滚筒,该滚筒围绕离心空间。 还包括设置在滚筒内的螺钉,螺杆可相对于滚筒以不同的速度旋转。 还包括至少一个从其周围密封的液体排出物和至少一个在滚筒的锥形区域中的固体排放物。 还包括一个浸入盘,该盘上的盘片位于液体进料和固体放电之间,并将离心空间分成浸入盘和固体放电之间的放电空间,浸入盘和液体排出口之间的分隔空间 。 离心机包括用气体对分离空间进行充气的装置。 还公开了一种用于固体碗式离心机的操作过程。

    SPATIAL PROCESSING STEREO SYSTEM
    44.
    发明申请
    SPATIAL PROCESSING STEREO SYSTEM 有权
    空间处理立体系统

    公开(公告)号:US20090147975A1

    公开(公告)日:2009-06-11

    申请号:US11951964

    申请日:2007-12-06

    IPC分类号: H04R5/02

    CPC分类号: H04S7/302 H04S5/005 H04S7/305

    摘要: A spatial processing stereo system (“SPSS”) that receives audio signals and a limited number of user input parameters associated with the spatial attributes of a room, such as “room size”, “stage distance”, and “stage width”. The input parameters are used to define a listening room and generate coefficients, room impulse responses, and scaling factors that are used generate additional surround signals.

    摘要翻译: 接收音频信号的空间处理立体声系统(“SPSS”)和与房间的空间属性相关联的有限数量的用户输入参数,诸如“房间大小”,“舞台距离”和“舞台宽度”。 输入参数用于定义听音室,并产生系数,房间脉冲响应和使用的缩放因子产生附加环绕信号。

    LOUDSPEAKER SYSTEM FOR VIRTUAL SOUND SYNTHESIS
    45.
    发明申请
    LOUDSPEAKER SYSTEM FOR VIRTUAL SOUND SYNTHESIS 有权
    用于虚拟声音合成的扬声器系统

    公开(公告)号:US20080101620A1

    公开(公告)日:2008-05-01

    申请号:US11969149

    申请日:2008-01-03

    IPC分类号: H04R3/12 H04S3/00 H04R1/40

    摘要: A sound system obtains a desired sound field from an array of sound sources arranged on a panel. The desired sound field allows a listener to perceive the sound as if the sound were coming from a live source and from a specified location. Setup of the sound system includes arranging a microphone array adjacent the array of sound sources to obtain a generated sound field. Arbitrary finite impulse response filters are then composed for each sound source within the array of sound sources. Iteration is applied to optimize filter coefficients such that the generated sound field resembles the desired sound field so that multi-channel equalization and wave field synthesis occur. After the filters are setup, the microphones may be removed.

    摘要翻译: 声音系统从布置在面板上的声源阵列获得期望的声场。 所需的声场允许听众感知声音,就好像声音来自实时源和来自指定位置的声音。 声音系统的设置包括将声音阵列邻近排列麦克风阵列以获得产生的声场。 然后为声源阵列内的每个声源组成任意有限脉冲响应滤波器。 迭代应用于优化滤波器系数,使得所产生的声场类似于期望的声场,从而发生多声道均衡和波场合成。 设置过滤器后,麦克风可能被移除。

    Loudspeaker crossover filter
    46.
    发明申请
    Loudspeaker crossover filter 有权
    扬声器交叉滤波器

    公开(公告)号:US20060251272A1

    公开(公告)日:2006-11-09

    申请号:US11123449

    申请日:2005-05-05

    申请人: Ulrich Horbach

    发明人: Ulrich Horbach

    IPC分类号: H03G5/00

    CPC分类号: H04R3/12

    摘要: A method is provided for computing frequency responses of crossover filters for multi-way loudspeakers. The method prescribes driver coordinates for drivers in the multi-way loudspeaker, prescribes an attenuation function for the sound pressure level at a desired angle, computes the crossover frequencies using a point source model and computes the frequency responses in intervals defined by the crossover frequencies.

    摘要翻译: 提供了一种用于计算多路扬声器的交叉滤波器的频率响应的方法。 该方法规定了多路扬声器中驱动器的驱动器坐标,规定了所需角度的声压级的衰减功能,使用点源模型计算交叉频率,并以交叉频率定义的间隔计算频率响应。

    Equalization system to improve the quality of bass sounds within a listening area

    公开(公告)号:US20060147057A1

    公开(公告)日:2006-07-06

    申请号:US11026773

    申请日:2004-12-30

    IPC分类号: H03G5/00 H04B3/14

    CPC分类号: H04S7/301 H04R3/04 H04R3/12

    摘要: Frequency equalization system substantially equalizes the room frequency responses generated by at least one loudspeaker within a listening area so that the frequency responses in the listening area are substantially constant and flat within a desired frequency range. The frequency equalization system uses multiple microphones to measure the impulse responses of the room and uses the impulse responses to design filters to process the audio signals of one or more subwoofers to achieve an improved bass response that is flat across the relevant frequency range. The system employs an algorithm that is a closed-form, non-iterative, mathematical solution and features very short computation time.

    Loudspeaker array system
    48.
    发明申请
    Loudspeaker array system 有权
    扬声器阵列系统

    公开(公告)号:US20050180577A1

    公开(公告)日:2005-08-18

    申请号:US10771190

    申请日:2004-02-02

    申请人: Ulrich Horbach

    发明人: Ulrich Horbach

    CPC分类号: H04R25/405 H04R1/26 H04R5/02

    摘要: The invention is a multi-channel loudspeaker system that provides a compact loudspeaker configuration and filter design methodology that operates in the digital signal processing domain. Further, the loudspeaker system can be designed to include drivers of various physical dimensions and can achieve prescribed constant directivity over a large area in both the vertical and horizontal planes.

    摘要翻译: 本发明是一种多声道扬声器系统,其提供在数字信号处理领域中操作的紧凑型扬声器配置和滤波器设计方法。 此外,扬声器系统可以被设计为包括各种物理尺寸的驱动器,并且可以在垂直和水平面中的大面积上实现规定的恒定方向性。

    Process and device for mixing sound signals
    49.
    发明授权
    Process and device for mixing sound signals 失效
    用于混合声音信号的过程和设备

    公开(公告)号:US06363155B1

    公开(公告)日:2002-03-26

    申请号:US08996203

    申请日:1997-12-22

    申请人: Ulrich Horbach

    发明人: Ulrich Horbach

    IPC分类号: H04R500

    CPC分类号: H04S7/302 G10L19/008 H04S3/02

    摘要: The present invention is directed to a process and device for mixing a plurality of sound signals. The process includes separating each sound signal and selectively delaying each separated sound signal. The process also includes selectively weighting each separated and selectively delayed sound signal and adding corresponding ones of the selectively weighted signals to an intermediary signal. The process also includes separating and filtering each intermediary signal, and adding the intermediary signals to form an output signal. The device for mixing sound signals of a plurality of input channels into a plurality of output channels includes each input channel having a plurality of partial channels, a decoder providing the plurality of outputs, and a plurality of intermediary channels coupled to the plurality of partial channels and to the decoder.

    摘要翻译: 本发明涉及用于混合多个声音信号的方法和装置。 该过程包括分离每个声音信号并选择性地延迟每个分离的声音信号。 该过程还包括选择性地对每个分离和选择性延迟的声音信号进行加权,并将有选择地加权的信号中的相应的信号加到中间信号上。 该过程还包括分离和过滤每个中间信号,以及添加中间信号以形成输出信号。 用于将多个输入通道的声音信号混合成多个输出声道的装置包括具有多个部分声道的每个输入声道,提供多个输出的解码器以及耦合到多个部分声道的多个中间声道 和解码器。