Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
08/2013
08/07/2013CN101499807B Self-calibration system and method for mobile phone power
08/06/2013US8503697 Pickup signal processing apparatus, method, and program product
08/06/2013US8503682 Head-related transfer function convolution method and head-related transfer function convolution device
08/01/2013WO2013111113A1 Feature-based level control
08/01/2013US20130195280 Electronic device, controlling method and controlling program for electronic device, and recording medium
08/01/2013US20130195279 Peak detection when adapting a signal gain based on signal loudness
08/01/2013US20130195231 Automatic gain control
08/01/2013US20130194041 Automatic gain control device and method, power adjusting device and radio transmitting system
07/2013
07/31/2013EP2621086A2 Fast automatic gain control
07/31/2013EP2619904A1 Audio stream mixing with dialog level normalization
07/31/2013CN103229415A Switch used in programmable gain amplifilier and programmable gain amplifilier
07/31/2013CN103227615A Automatic gain control device, automatic gain control method, power regulating device and wireless transmitting system
07/31/2013CN101867351B Automatic gain control device and method
07/31/2013CN101826848B Automatic gain control system in orthogonal frequency division multiplexing receiver and method
07/31/2013CN101777931B Antenna amplifier, receiving system, operating method, and use of a receiving system
07/31/2013CN101208860B Signal level adjuster , transreceiver for RF communication equipment and RF receiver circuit
07/30/2013US8498430 Automatic correction of loudness level in audio signals
07/30/2013US8497737 Amplifier circuit, mobile communication device and method for adjusting a bias of a power amplifier
07/25/2013US20130188808 Method and Apparatus for Circuit with Low IC Power Dissipation and High Dynamic Range
07/25/2013US20130188805 Donned/Doffed Mute Control
07/25/2013US20130188804 Earbuds and earphones for personal sound system
07/24/2013EP2618484A2 Audio adjustment device and television receiving device providing the same
07/24/2013EP2617127A2 Method and system for providing hearing assistance to a user
07/24/2013EP2616277A1 Vehicle external warning sound generation system and method
07/24/2013CN203086421U Power controlling apparatus of mobile device and mobile device capable of realizing power controlling by temperature detection
07/24/2013CN203086420U An audio automatic gain control device of a mine-used audio amplifying telephone
07/24/2013CN103220594A Sound effect regulating and controlling system for vehicle
07/24/2013CN103219962A Programmable gain isolation amplifier circuit and implement method thereof
07/24/2013CN101669283B Receiving device and receiving method
07/23/2013US8495696 Coaxial communication active tap device and distribution system
07/23/2013US8494172 System and method for adjusting audio input and output settings
07/23/2013US8494089 Wireless transmitting and receiving device and method
07/23/2013US8493151 Method and apparatus for programmable gain control useful with digital to analog converter
07/23/2013US8493142 Amplifier, transmission device, and amplifier control method
07/23/2013US8493141 Pseudo-envelope following power management system
07/18/2013US20130182871 Electronic device with faders
07/18/2013US20130182870 Cross product enhanced subband block based harmonic transposition
07/18/2013US20130182869 Orthogonal ergonomic speaker
07/18/2013US20130182861 Methods and systems for downloading effects to an effects unit
07/18/2013US20130181779 Systems and methods to adjust the bias of an amplifier
07/18/2013US20130181774 Envelope tracking with variable compression
07/17/2013EP2615735A2 Method and system for controlling signal transmission of a wireless communication device
07/17/2013EP2614586A2 Dynamic compensation of audio signals for improved perceived spectral imbalances
07/17/2013CN103208972A Wide-band amplifier circuit with controllable gain and high flatness
07/17/2013CN103208971A Controllable gain circuit
07/17/2013CN102016994B An apparatus for processing an audio signal and method thereof
07/16/2013US8488811 Audio-peak limiting in slow and fast stages
07/16/2013US8488810 Audio processing chip and audio signal processing method thereof
07/16/2013US8488809 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
07/16/2013US8488802 Sound field control device
07/11/2013WO2013103353A1 System and method for improving signal to noise ratio for high frequency signal component
07/11/2013WO2013102799A1 Smart automatic audio recording leveler
07/11/2013US20130177175 Power efficiency improvement of an audio amplifier by adaptive control of a charge pump
07/11/2013US20130177162 Novel pre-process (amplitude distortion) and post-process (phase synchronization) for linear aec system
07/11/2013US20130176077 Amplifier for wireless receiver and associated method
07/11/2013US20130176076 Voltage regulator, envelope tracking power supply system, transmitter module, and integrated circuit device therefor
07/11/2013DE10260657B4 Audioverstärker mit Spannungsbegrenzung in Reaktion auf den Spektralgehalt Audio amplifier with voltage limiting in response to the spectral content
07/10/2013CN103199881A Automatic gain control method and system, and receiver
07/10/2013CN103199813A Negative feedback idea-based memristor resistance value state control circuit
07/10/2013CN103199812A Amplifier for wireless receiver and associated method
07/10/2013CN103199811A Resistance strain regulator
07/10/2013CN103199810A High-speed gain control circuit
07/10/2013CN101785181B Signal amplifier structure for radio transmitter
07/10/2013CN101689840B Apparatus and method for artificial reverberation
07/09/2013US8484018 Data converting apparatus and method that divides input data into plural frames and partially overlaps the divided frames to produce output data
07/09/2013US8483407 Noise reducing circuit
07/04/2013WO2013101605A1 Bass enhancement system
07/04/2013WO2013100463A1 Apparatus and method for gain of driver amplifier exponential variable in wireless transmitter
07/04/2013US20130170668 Sound system with individual playback zones
07/04/2013US20130169884 Voice control system and associated control method applied to electronic apparatus
07/04/2013US20130169365 Automatic gain control feedback amplifier
07/03/2013EP2610865A1 Audio signal processing device and audio signal processing method
07/03/2013CN203039920U Radio frequency link gain automatic control device
07/03/2013CN203039648U Servo loop outer-rolling gain switching circuit under condition of large pitching angle
07/03/2013CN103188584A Acoustic matching method and acoustic matching system for vehicle-mounted multi-media
07/03/2013CN103187942A Signal processing circuit and signal processor
07/03/2013CN103187941A Weak signal amplification circuit
07/03/2013CN103187940A Programmable amplifier and receiver
07/03/2013CN101835071B Sound noise control circuit
07/03/2013CN101652925B Flexible dynamic range amplifier
07/02/2013US8476976 Multi-stage amplifier
06/2013
06/27/2013WO2013095261A2 Automatic gain control of a received signal using a power target
06/27/2013WO2013094138A1 Variable gain amplifier
06/27/2013WO2013092782A1 Digital microphone device with extended dynamic range
06/27/2013US20130163784 Bass enhancement system
06/27/2013US20130163782 Sound Processing Apparatus and Sound Processing Method
06/27/2013US20130163775 Communications Headset Speech-Based Gain Control
06/27/2013US20130162354 Cascode amplifier
06/26/2013EP2608569A1 Digital microphone device with extended dynamic range
06/26/2013EP2608405A2 Sound processing apparatus, sound system and sound processing method
06/26/2013EP2608404A1 Method and device for performing automatic gain control of a received signal
06/26/2013EP2608198A1 System and method for reduction of mechanically-generated noise
06/26/2013CN203027210U Motor vehicle volume intelligent adjustment loudspeaker
06/26/2013CN103181077A Amplifier gain adjustment in response to reduced supply voltage
06/26/2013CN103178798A Radio frequency signal source
06/26/2013CN101860327B Cascode amplifier and method for controlling current of the same
06/25/2013US8472638 Sound processing system for configuration of audio signals in a vehicle
06/25/2013US8471637 Variable gain amplifier
06/25/2013US8471629 Providing automatic power control for a power amplifier
06/25/2013US8471379 Semiconductor device
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