公开(公告)号：US20060018486A1

公开(公告)日：2006-01-26

申请号：US11179510

申请日：2005-07-13

申请人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

发明人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

IPC分类号： H03G3/00 ,  G10H1/02

CPC分类号： H04H60/04 ,  G10H1/0091 ,  G10H2210/281 ,  G10H2250/061 ,  G10H2250/105 ,  G10H2250/111 ,  G10K15/12 ,  H04S7/305

摘要： A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround channels. The circuit may include a transient reduction module and a reverberation filter. The transient reduction module may be adapted to reduce transients in an input audio signal of one or more channels. The reverberation filter maybe adapted to receive a transient-reduced signal of one or more channels corresponding to the transient-reduced signal.

摘要翻译： 用于为输入音频信号，单声道，立体声或环绕声产生人造环境效果的电路，方法和系统。 环境效果增强了人为的混响，替代人为的混响，或合成了额外的音频通道，如环绕声道。 该电路可以包括瞬态降低模块和混响滤波器。 瞬态降低模块可以适于减少一个或多个通道的输入音频信号中的瞬变。 混响滤波器可以适于接收对应于瞬态降低信号的一个或多个信道的瞬态降低信号。

公开(公告)号：US07876909B2

公开(公告)日：2011-01-25

申请号：US11179510

申请日：2005-07-13

申请人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

发明人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

IPC分类号： H03G3/00 ,  H04B3/20

CPC分类号： H04H60/04 ,  G10H1/0091 ,  G10H2210/281 ,  G10H2250/061 ,  G10H2250/105 ,  G10H2250/111 ,  G10K15/12 ,  H04S7/305

摘要： A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround channels. The circuit may include a transient reduction module and a reverberation filter. The transient reduction module may be adapted to reduce transients in an input audio signal of one or more channels. The reverberation filter maybe adapted to receive a transient-reduced signal of one or more channels corresponding to the transient-reduced signal.

摘要翻译： 用于为输入音频信号，单声道，立体声或环绕声产生人造环境效果的电路，方法和系统。 环境效果增强了人为的混响，替代人为的混响，或合成了额外的音频通道，如环绕声道。 该电路可以包括瞬态降低模块和混响滤波器。 瞬态降低模块可以适于减少一个或多个通道的输入音频信号中的瞬变。 混响滤波器可以适于接收对应于瞬态降低信号的一个或多个信道的瞬态降低信号。

公开(公告)号：US08634568B2

公开(公告)日：2014-01-21

申请号：US12966729

申请日：2010-12-13

申请人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

发明人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

IPC分类号： G10K15/12 ,  G10H1/16

CPC分类号： H04H60/04 ,  G10H1/0091 ,  G10H2210/281 ,  G10H2250/061 ,  G10H2250/105 ,  G10H2250/111 ,  G10K15/12 ,  H04S7/305

摘要： A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround channels. The circuit may include a transient reduction module and a reverberation filter. The transient reduction module may be adapted to reduce transients in an input audio signal of one or more channels. The reverberation filter maybe adapted to receive a transient-reduced signal of one or more channels corresponding to the transient-reduced signal.

摘要翻译： 用于为输入音频信号，单声道，立体声或环绕声产生人造环境效果的电路，方法和系统。 环境效果增强了人为的混响，替代人为的混响，或合成了额外的音频通道，如环绕声道。 该电路可以包括瞬态降低模块和混响滤波器。 瞬态降低模块可以适于减少一个或多个通道的输入音频信号中的瞬变。 混响滤波器可以适于接收对应于瞬态降低信号的一个或多个信道的瞬态降低信号。

公开(公告)号：US20110081025A1

公开(公告)日：2011-04-07

申请号：US12966729

申请日：2010-12-13

申请人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

发明人： Itai Neoran ,  Meir Shashoua ,  Yoad Nevo

IPC分类号： H03G3/00

CPC分类号： H04H60/04 ,  G10H1/0091 ,  G10H2210/281 ,  G10H2250/061 ,  G10H2250/105 ,  G10H2250/111 ,  G10K15/12 ,  H04S7/305

摘要： A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround channels. The circuit may include a transient reduction module and a reverberation filter. The transient reduction module may be adapted to reduce transients in an input audio signal of one or more channels. The reverberation filter maybe adapted to receive a transient-reduced signal of one or more channels corresponding to the transient-reduced signal.

摘要翻译： 一种用于为输入音频信号，单声道，立体声或环绕声产生人造环境效果的电路，方法和系统。 环境效果增强了人为的混响，替代人为的混响，或合成了额外的音频通道，如环绕声道。 该电路可以包括瞬态降低模块和混响滤波器。 瞬态降低模块可以适于减少一个或多个通道的输入音频信号中的瞬变。 混响滤波器可以适于接收对应于瞬态降低信号的一个或多个信道的瞬态降低信号。

公开(公告)号：US07391875B2

公开(公告)日：2008-06-24

申请号：US10871551

申请日：2004-06-21

申请人： Meir Shashoua

发明人： Meir Shashoua

IPC分类号： H04B1/00 ,  H03G3/00 ,  H03G7/00 ,  H03G9/00 ,  G10L21/00

CPC分类号： H03G9/005 ,  H03G7/002

摘要： A method for processing audio signal that includes receiving a plurality of digital audio signals and calculating signal levels of them. The next step is calculating smooth attenuation signal for each one of the input audio signals. The smooth attenuation signals are calculated according to the signal levels and smoothing criteria, such that the mixing of signals that include the input audio signals multiplied by their respective smooth attenuation signals is peak limited by a given threshold level.

摘要翻译： 一种用于处理音频信号的方法，包括接收多个数字音频信号并计算它们的信号电平。 下一步是计算每个输入音频信号的平滑衰减信号。 根据信号电平和平滑标准计算平滑衰减信号，使得包括输入音频信号乘以它们各自的平滑衰减信号的信号的混合受限于给定阈值电平。

公开(公告)号：US20100026264A1

公开(公告)日：2010-02-04

申请号：US12511158

申请日：2009-07-29

申请人： Shmuel Ben-Yaakov ,  Meir Shashoua

发明人： Shmuel Ben-Yaakov ,  Meir Shashoua

IPC分类号： G05F1/10

CPC分类号： H02M3/07 ,  H02M2001/0012

摘要： A method for constructing a direct-current to direct current (DC-DC) converter from an input voltage to an output voltage. The DC-DC converter has multiple capacitors and multiple switches connectible the capacitors. A target voltage ratio is obtained based on the input voltage and the output voltage. The target voltage is expressed as a radix number. The radix number is spawned into a code of the target voltage ratio. The code is translated into a switched-capacitor converter (SCC) configuration including the switches and the capacitors. The code may be an extended binary representation code or a Generic Fractional Numbers code. The switched-capacitor converter (SCC) configuration is preferably modified to obtain charge balance.

摘要翻译： 一种直流直流（DC-DC）转换器从输入电压到输出电压的方法。 DC-DC转换器具有多个电容器，多个开关可连接电容器。 基于输入电压和输出电压获得目标电压比。 目标电压表示为基数。 基数被产生为目标电压比的代码。 代码被转换为包括开关和电容器的开关电容转换器（SCC）配置。 代码可以是扩展二进制表示代码或通用小数编号代码。 开关电容转换器（SCC）配置优选地被修改以获得电荷平衡。

公开(公告)号：US5930373A

公开(公告)日：1999-07-27

申请号：US832812

申请日：1997-04-04

申请人： Meir Shashoua ,  Daniel Glotter

发明人： Meir Shashoua ,  Daniel Glotter

IPC分类号： H04R3/04 ,  G10L11/00 ,  G10L19/00 ,  H04R3/00 ,  H03G5/00

CPC分类号： H04R3/04 ,  G10L21/038 ,  H03G9/005 ,  H03G9/025

摘要： An apparatus for conveying to a listener a pseudo low frequency psycho-acoustic sensation (Pseudo-LFPS) of a sound signal, including: frequency unit capable of deriving from the sound signal high frequency signal and low frequency signal (LF signal) that extends over a low frequency range of interest. Harmonics generator coupled to the frequency generator and being capable of generating, for each fundamental frequency within the low frequency range of interest, a residue harmonic signal having a sequence of harmonics. The sequence of harmonics, generated with respect to each fundamental frequency contains a first group of harmonics that includes at least three consecutive harmonics from among a primary set of harmonics of the fundamental frequency. Loudness generator coupled to the harmonics generator and being capable of bringing the loudness of the residue harmonic signal to match the loudness of the low frequency signal. Summation unit capable of summing the residue harmonic signal and the high frequency signal so as to obtain psychoacoustic alternative signal.

摘要翻译： 一种用于向收听者传送声音信号的伪低频心理声学（Pseudo-LFPS）的装置，包括：能够从声音信号得到的频率单位，高频信号和低频信号（LF信号）延伸到 感兴趣的低频范围。 谐波发生器耦合到频率发生器，并且能够为感兴趣的低频范围内的每个基频产生具有一系列谐波的残余谐波信号。 相对于每个基频产生的谐波序列包含第一组谐波，其包括基频谐波的初级组合中的至少三个连续的谐波。 响应发生器耦合到谐波发生器并且能够使残余谐波信号的响度与低频信号的响度相匹配。 求和单元，能够对残余谐波信号和高频信号求和，以获得心理声学替代信号。

公开(公告)号：US08259476B2

公开(公告)日：2012-09-04

申请号：US12511158

申请日：2009-07-29

申请人： Shmuel Ben-Yaakov ,  Meir Shashoua

发明人： Shmuel Ben-Yaakov ,  Meir Shashoua

IPC分类号： H02M3/07

CPC分类号： H02M3/07 ,  H02M2001/0012

摘要： A method for constructing a direct-current to direct current (DC-DC) converter from an input voltage to an output voltage. The DC-DC converter has multiple capacitors and multiple switches connectible the capacitors. A target voltage ratio is obtained based on the input voltage and the output voltage. The target voltage is expressed as a radix number. The radix number is spawned into a code of the target voltage ratio. The code is translated into a switched-capacitor converter (SCC) configuration including the switches and the capacitors. The code may be an extended binary representation code or a Generic Fractional Numbers code. The switched-capacitor converter (SCC) configuration is preferably modified to obtain charge balance.

摘要翻译： 一种直流直流（DC-DC）转换器从输入电压到输出电压的方法。 DC-DC转换器具有多个电容器，多个开关可连接电容器。 基于输入电压和输出电压获得目标电压比。 目标电压表示为基数。 基数被产生为目标电压比的代码。 代码被转换为包括开关和电容器的开关电容转换器（SCC）配置。 代码可以是扩展二进制表示代码或通用小数编号代码。 开关电容转换器（SCC）配置优选地被修改以获得电荷平衡。

公开(公告)号：US06573695B2

公开(公告)日：2003-06-03

申请号：US09928921

申请日：2001-08-13

申请人： Meir Shashoua

发明人： Meir Shashoua

IPC分类号： G05F140

CPC分类号： H02M3/07

摘要： A high-efficiency tracking power supply featuring a network of switched capacitors and an active noise shaping unit for reducing non-linearity and controlling the noise spectrum. Several variations of a non-inductive switched-capacitor tracking power-supply are presented, which are well-suited to integrated-circuit implementation and battery operation, and which provide an efficient power supply for the output stage over a wide range of voltages that can exceed the voltage limits of the main power source. The output of the tracking power-supply can be fed into an analog linear voltage regulator, or can be used as a Multi-Level Quantizer for generating the output directly. Some simple switching strategies are disclosed which offer power efficiencies in excess of 90%.

摘要翻译： 一种高效跟踪电源，具有开关电容网络和有源噪声整形单元，用于减少非线性并控制噪声谱。 提出了非感性开关电容跟踪电源的几种变化，这些变化非常适用于集成电路实现和电池操作，并且在宽范围的电压范围内为输出级提供有效的电源 超过主电源的电压限制。 跟踪电源的输出可以馈送到模拟线性稳压器中，或者可以用作多级量化器，用于直接生成输出。 公开了一些简单的切换策略，其提供超过90％的功率效率。

公开(公告)号：US06373340B1

公开(公告)日：2002-04-16

申请号：US09638568

申请日：2000-08-14

申请人： Meir Shashoua

发明人： Meir Shashoua

IPC分类号： H03F304

CPC分类号： H03F3/2178 ,  H03F1/0244 ,  H03F2200/331

摘要： A high-efficiency audio power amplifier featuring a tracking power-supply and an active noise shaping unit for reducing non-linearly and audible noise. Several variations of an non-inductive switched-capacitor tracking power-supply are presented, which are well-suited to integrated-circuit implementation and battery operation, and which provide an efficient power supply for the output stage over a wide range of voltages that can exceed the voltage limits of the main power source. The output of the tracking power-supply can be fed into an analog power stage, or can be used as a Multi-Level Quantizer for generating the output directly. A feedback and noise shaping allows the use of low-cost components while relaxing design constraints. Some simple switching strategies are disclosed which offer power efficiencies in excess of 80%.

摘要翻译： 一种高效率音频功率放大器，具有跟踪电源和主动噪声整形单元，用于减少非线性和可听见的噪声。 提出了一种非感性开关电容跟踪电源的几种变化，它们非常适用于集成电路实现和电池操作，并且可以在宽范围的电压范围内为输出级提供有效的电源 超过主电源的电压限制。 跟踪电源的输出可以馈送到模拟功率级，或者可以用作多级量化器，用于直接生成输出。 反馈和噪声整形允许使用低成本组件，同时放松设计约束。 公开了一些简单的切换策略，其提供超过80％的功率效率。