公开(公告)号：WO2013017435A1

公开(公告)日：2013-02-07

申请号：PCT/EP2012/064258

申请日：2012-07-20

Applicant: DOLBY INTERNATIONAL AB ,  MUELLER, Jan ,  THESING, Robin ,  BEER, Michael

Inventor： MUELLER, Jan ,  THESING, Robin ,  BEER, Michael

IPC: H04B1/16 ,  G10L19/00 ,  H04H40/45

CPC classification number: G10L19/008 ,  G10L19/00 ,  H04B1/1661 ,  H04H40/45

Abstract: The invention relates to an apparatus (1) for improving a stereo audio signal of an FM stereo radio receiver (10). It is suggested to employ components of a standard HE-ACC v2 decoder (40) in such apparatus (1) to efficiently recover the stereo audio signal (L\ R') while also exhibiting good signal quality. To that end, parametric stereo parameters (15) shall be quantized and submitted to such decoder (40) together with a mono-downmix signal (25). The decoder (25) can then easily recover the parametric stereo parameters (15) by de-quantizing them via a simple lookup table, and finally creating the stereo output signal (L'R') from the de-quantized parametric stereo parameters and the mono-downmix signal (25). The apparatus (1) further includes a parameter estimation stage (5) which may again be embodied on the basis of components of a standard HE-ACC v2 encoder (65). After estimating the parametric stereo parameters (15) and generating the mono-downmix signal (25), the encoder (65) will not use further encoding other than the already performed PS- coding. An apparatus (1) according to the invention therefore advantageously includes decoder (40) and/or encoder (65) components of a standard HE-ACC v2 codec - utilizing its parametric stereo parameter processing capabilities.

Abstract translation: 本发明涉及一种用于改进FM立体声无线电接收机（10）的立体声音频信号的装置（1）。 建议在这种装置（1）中使用标准HE-ACC v2解码器（40）的组件来有效地恢复立体声音频信号（L \ R'），同时也表现出良好的信号质量。 为此，参数化立体声参数（15）将被量化并与单降混信号（25）一起提交给这样的解码器（40）。 然后，解码器（25）可以通过经由简单的查找表对它们进行去量化来容易地恢复参数立体声参数（15），并且最终从去量化的参数立体声参数创建立体声输出信号（L'R'） 单声道下混信号（25）。 装置（1）还包括可以基于标准HE-ACC v2编码器（65）的组件再次实现的参数估计级（5）。 在估计参数立体声参数（15）并产生单声道下混信号（25）之后，编码器（65）将不再使用已经执行的PS编码以外的其他编码。 因此，根据本发明的装置（1）有利地包括利用其参数立体声参数处理能力的标准HE-ACC v2编解码器的解码器（40）和/或编码器（65）组件。

公开(公告)号：WO2012045721A2

公开(公告)日：2012-04-12

申请号：PCT/EP2011/067278

申请日：2011-10-04

Applicant: SYNGENTA LIMITED ,  MORRIS, James Alan ,  MITCHELL, Glynn ,  LAWSON, Kevin Robert ,  HUNT, James Charle Atlee

Inventor： MORRIS, James Alan ,  MITCHELL, Glynn ,  LAWSON, Kevin Robert ,  HUNT, James Charle Atlee

IPC: A01N43/42

CPC classification number: H04H40/45 ,  A01N43/90 ,  C07D471/04

Abstract: The present invention relates to novel herbicidal oxopyridine and thionopyridine derivatives of Formula (I), or an agronomically acceptable salt of said compound wherein R 1 , X 1 , X 2 , X 3 , X 4 , A 1 , R a , R b , R c and R d are as defined herein. The invention further relates to processes and intermediates for the preparation of the oxopyridine derivatives, to compositions which comprise the herbicidal compounds, and to their use for controlling weeds, in particular in crops of useful plants.

Abstract translation: 本发明涉及式（I）的新型除草氧代吡啶和硫代吡啶衍生物，或其中R1，X1，X2，X3，X4，A1，Ra，Rb，Rc和Rd如本文所定义的所述化合物的农艺学上可接受的盐。 本发明还涉及用于制备氧代吡啶衍生物的方法和中间体，包含除草化合物的组合物及其用于控制​​杂草的用途，特别是在有用植物的作物中。

公开(公告)号：WO1994022228A1

公开(公告)日：1994-09-29

申请号：PCT/DE1994000320

申请日：1994-03-22

Applicant: BLAUPUNKT-WERKE GMBH ,  CHAHABADI, Djahanyar ,  HERMANN, Matthias ,  VOGT, Lothar

Inventor： BLAUPUNKT-WERKE GMBH

IPC: H04B01/16

CPC classification number: H04H20/12 ,  H04H40/45

Abstract: In a circuit for deriving a quality signal dependent on the quality of a received multiplex signal in a stereo radio receiver. The multiplex signal contains a sum signal (L+R) in the base band, an auxiliary carrier modulated with a difference signal (L-R) and a pilot signal at half the frequency of the auxiliary carrier, the multiplex signal in digital form is multiplied by a reference carrier obtained from a scanning pulse generated in the radio receiver in two phase positions mutually offset by 90 DEG . The mixed signals obtained by the multiplication are multiplied by a correction signal to form corrected mixed signals which are added and taken together with the sum signal to a matrix circuit to form stereo audio signals (L, R). The mixed signals are also multiplied by the other correction signal. The products of these multiplications are subtracted from each other and low-pass-filtered.

公开(公告)号：WO2010151890A1

公开(公告)日：2010-12-29

申请号：PCT/US2010/040247

申请日：2010-06-28

Applicant: QUALCOMM Incorporated ,  TRIKHA, Pushp K. ,  PAN, Tzu-wang ,  YANG, Eugene ,  ZENG, Yi ,  LIN, I-Hsiang ,  VISHWANATH, Tg

Inventor： TRIKHA, Pushp K. ,  PAN, Tzu-wang ,  YANG, Eugene ,  ZENG, Yi ,  LIN, I-Hsiang ,  VISHWANATH, Tg

IPC: H04H20/57 ,  H04B1/40 ,  H04H40/45

CPC classification number: H04H20/57 ,  H04H40/45

Abstract: A frequency modulation (FM) transmitter implemented with a delta-sigma modulator and a phase-locked loop (PLL) is described. The delta-sigma modulator receives a modulating signal (e.g., an FM stereo multiplex (MPX) signal) and provides a modulator output signal. The PLL performs frequency modulation based on the modulator output signal and provides an FM signal. The FM transmitter may further include a gain/phase compensation unit and a scaling unit. The compensation unit may compensate the modulating signal for the closed-loop response of the PLL. The scaling unit may scale the amplitude of the modulating signal based on a gain to obtain a target frequency deviation for the FM signal. The PLL may operate in a transmit mode or a receive mode, may perform frequency modulation in the transmit mode, and may provide a local oscillator (LO) signal at a fixed frequency in the receive mode.

Abstract translation: 描述了用Δ-Σ调制器和锁相环（PLL）实现的频率调制（FM）发射机。 Δ-Σ调制器接收调制信号（例如，FM立体声多路复用（MPX）信号），并提供调制器输出信号。 PLL根据调制器输出信号进行调频，并提供FM信号。 FM发射机还可以包括增益/相位补偿单元和缩放单元。 补偿单元可以补偿PLL的闭环响应的调制信号。 缩放单元可以基于增益来调整调制信号的幅度，以获得FM信号的目标频率偏差。 PLL可以以发送模式或接收模式工作，可以在发送模式下执行频率调制，并且可以在接收模式下以固定频率提供本地振荡器（LO）信号。

公开(公告)号：WO2007022297A2

公开(公告)日：2007-02-22

申请号：PCT/US2006032029

申请日：2006-08-16

Applicant: CHESTNUT HILL SOUND INC ,  KRAMPF STEVEN S ,  ROSS EVAN B ,  PHUNG TRUNG QUOC

Inventor： KRAMPF STEVEN S ,  ROSS EVAN B ,  PHUNG TRUNG QUOC

IPC: H04B1/08 ,  H04H1/00 ,  H04H40/45 ,  H04H60/74

CPC classification number: G06F3/165 ,  G06F3/0482 ,  G06F3/04847 ,  G08B29/185 ,  H03J1/0025 ,  H03J2200/25 ,  H04B1/088 ,  H04B1/20 ,  H04H40/45 ,  H04H60/74 ,  H04L67/10 ,  H04R1/028 ,  H04R2205/021 ,  H04R2430/01

Abstract: An entertainment system comprising a base unit with a transceiver for interacting, at times, with a control unit via a communications link, and a control unit for controlling the base unit, the control unit being dockable with the base unit to establish direct electrical connection between them, and including a transceiver for interacting with the control unit via said link when undocked. The control unit is a separate aspect of the invention or system. The base unit may contain a tuner, preferably with bandless tuning capability, and may be designed to receive into a universal docking arrangement a digitally controllable auxiliary audio source such as a portable MP3 player or other device. The base unit may further provide alarm clock functionality with numerous features including a "fail-safe" volume control system and fail-safe alarm time setting capability.

Abstract translation: 一种娱乐系统，包括具有收发器的基本单元，用于经由通信链路与控制单元进行交互，以及用于控制所述基本单元的控制单元，所述控制单元可与所述基座单元对接，以建立与所述基座单元之间的直接电连接， 并且包括用于当脱离时通过所述链路与控制单元交互的收发器。 控制单元是本发明或系统的单独方面。 基本单元可以包含优选地具有无带调谐能力的调谐器，并且可以被设计成将数字可控的辅助音频源（诸如便携式MP3播放器或其他设备）接收到通用对接装置中。 基本单元还可以提供具有许多特征的闹钟功能，包括“故障安全”音量控制系统和故障安全警报时间设置能力。

公开(公告)号：WO2006124058A2

公开(公告)日：2006-11-23

申请号：PCT/US2005/039279

申请日：2005-10-31

Applicant: SIGMATEL, INC.

Inventor： MAY, Michael, R. ,  MAY, Marcus, W. ,  BAKER, David, C. ,  HENSON, Mathew, Brady

IPC: H04M1/00 ,  H04B1/38

CPC classification number: H04H40/45

Abstract: A handheld audio system includes a radio signal decoder integrated circuit (IC) and a digital audio processing integrated circuit. The radio signal decoder integrated circuit produces a digital left channel signal and a digital right channel signal from a received radio signal in accordance with an enable signal and also produces a system clock. The digital audio processing integrated circuit includes a DC-­to-DC converter and a processing module. The DC-to-DC converter is operably coupled to produce at least one power supply voltage based on the system clock. The processing module is operably coupled to produce the enable signal when the at least one power supply voltage has reached a desired level and to produce audio signals for audio playback from at least one of the digital left and right channel signals and a stored digital audio file.

Abstract translation: 手持音频系统包括无线电信号解码器集成电路（IC）和数字音频处理集成电路。 无线电信号解码器集成电路根据使能信号从接收的无线电信号产生数字左声道信号和数字右声道信号，并且还产生系统时钟。 数字音频处理集成电路包括DC-DC转换器和处理模块。 DC-DC转换器可操作地耦合以基于系统时钟产生至少一个电源电压。 当至少一个电源电压已经达到期望的水平并且从数字左声道信号和右声道信号中的至少一个产生用于音频回放的音频信号时，处理模块可操作地耦合以产生使能信号，并且存储数字音频文件 。

公开(公告)号：WO2004047488A2

公开(公告)日：2004-06-03

申请号：PCT/IB2003/004817

申请日：2003-10-27

Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  MEEUSEN, Rafael, J., J.

Inventor： MEEUSEN, Rafael, J., J.

IPC: H04S

CPC classification number: H04B1/1653 ,  H04H40/45

Abstract: The invention refers to a method for a receiver (1) having a signal path (3) incorporating a tuner (4), a frequency demodulator circuit (5) for supplying an analog stereo multiplex signal comprising a baseband stereo sum signal, a 19 kHz stereo pilot and a stereo difference signal, which is double sideband amplitude-modulated on a suppressed 38 kHz subcarrier, a sampler (6) for converting the analog stereo multiplex signal into a time discrete digital stereo multiplex signal and a stereo decoder (7) for decoding the time discrete digital stereo multiplex signal into a time-discrete digital stereo sum and a time discrete digital stereo difference signal. According to the invention the analog stereo multiplex signal is converted into a time discrete digital stereo multiplex signal and then the time discrete digital stereo multiplex signal is shifted over a frequency of 19 kHz to extract the pilot tone.

Abstract translation: 本发明涉及一种具有包括调谐器（4）的信号路径（3）的接收机（1）的方法，用于提供模拟立体声多路复用信号的频率解调器电路（5），该模拟立体声多路复用信号包括基带立体声和信号，19kHz 立体声导频和立体声差分信号，其是在抑制的38kHz子载波上进行幅度调制的双边带，用于将模拟立体声多路复用信号转换为时间离散数字立体声多路复用信号的采样器（6）和用于 将时间离散数字立体声多路复用信号解码为时间离散数字立体声和时间离散数字立体声差分信号。 根据本发明，模拟立体声多路复用信号被转换成时间离散数字立体声多路信号，然后时间离散数字立体声多路复用信号在19kHz的频率上移位以提取导频音。

公开(公告)号：WO2012045721A3

公开(公告)日：2014-04-10

申请号：PCT/EP2011067278

申请日：2011-10-04

Applicant: SYNGENTA LTD ,  MORRIS JAMES ALAN ,  MITCHELL GLYNN ,  LAWSON KEVIN ROBERT ,  HUNT JAMES CHARLE ATLEE

Inventor： MORRIS JAMES ALAN ,  MITCHELL GLYNN ,  LAWSON KEVIN ROBERT ,  HUNT JAMES CHARLE ATLEE

IPC: A01N43/42 ,  A01N43/54 ,  A01N43/56 ,  A01N43/60 ,  A01N43/653 ,  A01N43/90 ,  C07D471/04 ,  H04H40/45

CPC classification number: H04H40/45 ,  A01N43/90 ,  C07D471/04

Abstract: The present invention relates to novel herbicidal oxopyridine and thionopyridine derivatives of Formula (I), or an agronomically acceptable salt of said compound wherein R1, X1, X2, X3, X4, A1, Ra, Rb, Rc and Rd are as defined herein. The invention further relates to processes and intermediates for the preparation of the oxopyridine derivatives, to compositions which comprise the herbicidal compounds, and to their use for controlling weeds, in particular in crops of useful plants.

Abstract translation: 本发明涉及式（I）的新型除草氧代吡啶和硫代吡啶衍生物，或其中R1，X1，X2，X3，X4，A1，Ra，Rb，Rc和Rd如本文所定义的所述化合物的农艺学上可接受的盐。 本发明还涉及用于制备氧代吡啶衍生物的方法和中间体，包含除草化合物的组合物及其用于控制​​杂草的用途，特别是在有用植物的作物中。

公开(公告)号：WO2011137675A1

公开(公告)日：2011-11-10

申请号：PCT/CN2011/070748

申请日：2011-01-28

Applicant: MEDIATEK INC. ,  HSIAO, Chih-Hsiang ,  CHANG, Meng-Chun ,  HUANG, Jiun-Zen ,  KANG, Chih-Wei

Inventor： HSIAO, Chih-Hsiang ,  CHANG, Meng-Chun ,  HUANG, Jiun-Zen ,  KANG, Chih-Wei

IPC: H04B1/16

CPC classification number: H04H40/45 ,  H03J1/0008

Abstract: A signal receiver includes a receiving circuit, a frequency offset recovery circuit, and a control circuit. The receiving circuit extracts signal components within a first bandwidth centered at a specific frequency from a received input signal to thereby generate a first received signal. The first received signal includes at least a target signal within a second bandwidth centered at a target frequency, and the first bandwidth is wider than the second bandwidth. The frequency offset recovery circuit applies a frequency shift to the first received signal to thereby generate a second received signal. The control circuit tunes the receiving circuit to the specific frequency, and sets the frequency shift applied to the first received signal according to a frequency offset between the target frequency and the specific frequency.

Abstract translation: 信号接收机包括接收电路，频率补偿恢复电路和控制电路。 接收电路从接收到的输入信号提取以特定频率为中心的第一带宽内的信号分量，从而生成第一接收信号。 第一接收信号至少包括以目标频率为中心的第二带宽内的目标信号，并且第一带宽比第二带宽宽。 频率偏移恢复电路对第一接收信号施加频移，从而产生第二接收信号。 控制电路将接收电路调谐到特定频率，并根据目标频率和特定频率之间的频率偏移来设置施加到第一接收信号的频移。

公开(公告)号：WO2010074709A1

公开(公告)日：2010-07-01

申请号：PCT/US2009006418

申请日：2009-12-04

Applicant: PANASONIC AUTOMOTIVE SYS CO AM ,  JAISIMHA SHREE ,  FUJISAWA TATSUYA ,  KANJI MOHAMMED REZA

Inventor： JAISIMHA SHREE ,  FUJISAWA TATSUYA ,  KANJI MOHAMMED REZA

IPC: H04B1/00

CPC classification number: H04B1/1027 ,  H03J1/0008 ,  H04H40/18 ,  H04H40/45 ,  H04H60/43

Abstract: A method of configuring a tuner includes sampling a radio frequency and measuring at least one signal quality metric for the sampled frequency. It is determined whether there is co-channel interference on the sampled frequency based on the measurement of the at least one signal quality metric. The sampled frequency is selected as an operational frequency for the tuner if it was determined in the determining step that there is an absence of co-channel interference on the sampled frequency.

Abstract translation: 配置调谐器的方法包括对射频进行采样并测量采样频率的至少一个信号质量度量。 基于至少一个信号质量度量的测量，确定对采样频率是否存在同信道干扰。 如果在确定步骤中确定在采样频率上不存在同信道干扰，则选择采样频率作为调谐器的操作频率。