| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 05/22/2013 | CN1890880B Low-power integrated-circuit signal processor with wide dynamic range |
| 05/22/2013 | CN103119846A Audio stream mixing with dialog level normalization |
| 05/22/2013 | CN103117720A Self-adaptation control gain method in magnetic card decoding chip |
| 05/22/2013 | CN101800520B Realization method and realization system for automatic gain control |
| 05/22/2013 | CN101592973B Regulating device and audio amplifier |
| 05/21/2013 | US8447048 Electronic device, control volume system and method |
| 05/21/2013 | US8447041 Audio output apparatus, audio output method, audio output system, and program for audio output processing |
| 05/21/2013 | US8445768 Method and apparatus for audio mixing |
| 05/16/2013 | WO2013070745A1 Enhanced adaptive gain control in heterogeneous networks |
| 05/16/2013 | WO2013068637A1 A method and an apparatus for automatic volume leveling of audio signals |
| 05/16/2013 | US20130124201 Decoding device, encoding device, and methods for same |
| 05/16/2013 | US20130121510 Controlling terminal apparatus, control method and program |
| 05/16/2013 | US20130121509 Sound Transducer with Interdigitated First and Second Sets of Comb Fingers |
| 05/16/2013 | US20130121508 Non-Speech Content for Low Rate CELP Decoder |
| 05/16/2013 | US20130120068 Radio frequency signal gain control |
| 05/16/2013 | US20130120060 Sigma-Delta Modulator Approach to Increased Volume Resolution in Audio Output Stages |
| 05/15/2013 | EP2592751A1 A sigma-delta modulator for increased volume resolution in audio output stages |
| 05/15/2013 | CN103108777A vehicle external warning sound generation system and method |
| 05/15/2013 | CN103107791A Gain linear variable gain amplifier with constant bandwidth |
| 05/15/2013 | CN103107790A Programmable gain amplifier |
| 05/15/2013 | CN103107789A Variable gain amplifier shared by common mode feedback resistors |
| 05/14/2013 | US8442239 Audio system with balance setting based on information addresses |
| 05/14/2013 | CA2795189A1 Automatic gain control |
| 05/09/2013 | US20130114832 Wireless function state synchronization |
| 05/09/2013 | US20130114828 Audio system with parental maximum volume control |
| 05/09/2013 | US20130114820 Method and apparatus for emulating sound |
| 05/09/2013 | US20130114665 Low Nonlinear Distortion Variable Gain Amplifier |
| 05/09/2013 | US20130113558 Amplifier thermal management |
| 05/09/2013 | US20130113557 Amplifying device |
| 05/09/2013 | US20130113556 Voltage, current, and saturation prevention |
| 05/08/2013 | CN1754312B A method and a device for adjusting power amplifier properties |
| 05/08/2013 | CN103098525A Optimizing power consumption of a base station |
| 05/08/2013 | CN101600029B System and method for reducing background noise |
| 05/08/2013 | CN101483414B Voice intelligibility enhancement system and voice intelligibility enhancement method |
| 05/08/2013 | CN101222211B Peak-hold circuit and signal strength indicator using the peak-hold circuit |
| 05/07/2013 | US8437868 Method for coding and decoding the wideness of a sound source in an audio scene |
| 05/07/2013 | US8437720 Variable-gain low noise amplifier for digital terrestrial applications |
| 05/07/2013 | US8437719 Method and system for multiple tuner application using a low noise broadband distribution amplifier |
| 05/07/2013 | US8437482 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal |
| 05/02/2013 | WO2013063565A1 Linear system for link training |
| 05/02/2013 | WO2013061252A2 Post-filter common-gain determination |
| 05/02/2013 | WO2012160035A3 Processing audio signals |
| 05/02/2013 | WO2012033801A3 Radio frequency communications system |
| 05/02/2013 | US20130109442 Methods and Systems for Pre-Emphasis of an Envelope Tracking Power Amplifier Supply Voltage |
| 05/02/2013 | US20130108079 Audio signal processing device, method, program, and recording medium |
| 05/02/2013 | US20130108077 Device and Method for Processing a Real Subband Signal for Reducing Aliasing Effects |
| 05/02/2013 | US20130108075 Audio processing device and audio systems using the same |
| 05/02/2013 | US20130107926 Controlling a Power Amplifier Based on Transmitter Output Emissions |
| 05/02/2013 | US20130106506 Adjustable gain audio power amplifying circuit |
| 05/02/2013 | DE102012218730A1 Verstärkungsgrad-Messchaltung, Verstärkungsgrad-Messverfahren und Kommunikationsgerät Gain-measuring circuit, gain measuring method and communication device |
| 05/01/2013 | CN103078599A Audio/video playing device and volume control method |
| 05/01/2013 | CN103077733A Audio frequency information recording method and recording device |
| 05/01/2013 | CN103076581A Control apparatus with differential control in a magnetically coupled coil system for an amplifier |
| 05/01/2013 | CN101951236B Digital variable gain amplifier |
| 05/01/2013 | CN101529720B Device and method for amplification of radiocommunication signals |
| 04/30/2013 | US8433079 Modified limiter for providing consistent loudness across one or more input tracks |
| 04/30/2013 | US8433073 Adding a sound effect to voice or sound by adding subharmonics |
| 04/30/2013 | US8432225 Automatic gain control |
| 04/30/2013 | US8432224 Power amplifier with back-off efficiency |
| 04/30/2013 | US8431957 Audio dosage control |
| 04/25/2013 | WO2013058332A1 Capacitance sensor |
| 04/25/2013 | WO2013022241A3 Radio frequency amplifier in communication system and method of controlling the same |
| 04/25/2013 | US20130103396 Post-filter common-gain determination |
| 04/25/2013 | US20130102259 Apparatus and method for preventing acoustic shock of portable terminal |
| 04/25/2013 | US20130101140 Electronic device and method of operating the same |
| 04/25/2013 | US20130101139 Multiband audio dynamics processor |
| 04/25/2013 | US20130101138 Acoustic device and method of reproducing acoustic signal |
| 04/25/2013 | US20130099861 Method and apparatus for controlling transmit signal of radio frequency power amplifier |
| 04/25/2013 | US20130099857 Audio programmable gain amplifier with automatic reconfiguration |
| 04/24/2013 | CN202906888U Automatic gain control device for constant envelop receiver |
| 04/24/2013 | CN202906847U Anti-distortion automatic gain adjusting circuit of Class D power amplifier |
| 04/24/2013 | CN103067820A Device and method used for providing active audio transducer protection |
| 04/24/2013 | CN103067035A Slice transmitter front-end circuit and related methods |
| 04/24/2013 | CN103066938A High-power switching power supply amplifier |
| 04/24/2013 | CN103066937A Blade detecting device of cutting machine |
| 04/24/2013 | CN103066934A Variable-gain operational amplifier for infrared receiver |
| 04/24/2013 | CN103066931A RF amplifier module, integrated circuit device, wireless communication unit and method therefor |
| 04/24/2013 | CN101820259B Method and device for adjusting signal amplitude |
| 04/24/2013 | CN101645132B Barcode scanner and method for detecting the barcode |
| 04/24/2013 | CN101609685B 音频信号处理设备和音频信号处理方法 Audio signal processing apparatus and an audio signal processing method |
| 04/24/2013 | CN101116242B Integrated circuit for assistant transmission power control, method and transmitter system |
| 04/23/2013 | USRE44170 Audio output adjusting device of home theater system and method thereof |
| 04/23/2013 | US8428758 Dynamic audio ducking |
| 04/23/2013 | US8428278 Improvements to systems for acoustic diffusion |
| 04/23/2013 | US8428277 Clipping protection in fixed-width audio mixing |
| 04/23/2013 | US8428271 Balanced distortion for musical instrument |
| 04/23/2013 | US8427232 Self-calibrating gain control system |
| 04/18/2013 | US20130094670 System and method for synchronizing operations among a plurality of independently clocked digital data processing devices |
| 04/18/2013 | US20130094669 Audio signal processing apparatus, audio signal processing method and a program |
| 04/18/2013 | US20130094668 Proximity sensing for user detection and automatic volume regulation with sensor interruption override |
| 04/18/2013 | US20130094667 Systems, methods, apparatus, and articles of manufacture to control audio playback devices |
| 04/18/2013 | US20130094666 Distance-Based Rendering of Media Files |
| 04/18/2013 | US20130094656 Intelligent Audio Volume Control for Robot |
| 04/18/2013 | US20130094607 Transmitter employing pulling mitigation mechanism and related method thereof |
| 04/18/2013 | US20130093520 Power amplifier with low noise figure and voltage variable gain |
| 04/18/2013 | US20130093514 Power converter system for mobile devices |
| 04/18/2013 | US20130093513 Apparatus and method for expanding operation region of power amplifier |
| 04/18/2013 | US20130093512 Power amplifier and operation controlling circuit thereof |
| 04/18/2013 | DE102011054451A1 Verfahren und Vorrichtung zur optischen Distanzmessung über große Distanzbereiche Method and apparatus for optical distance measurement over long distance areas |
| 04/17/2013 | EP2582045A1 Proximity sensing for user detection and automatic volume regulation with sensor interruption override |