| Patents for H03G 7 - Volume compression or expansion in amplifiers (2,243) |
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| 02/24/2015 | US8965774 Automatic detection of audio compression parameters |
| 02/24/2015 | US8965011 Automatic gain control circuit and method for automatic gain control |
| 02/24/2015 | US8964998 System for dynamic spectral correction of audio signals to compensate for ambient noise in the listener's environment |
| 02/24/2015 | US8964997 Adapted audio masking |
| 02/19/2015 | US20150049874 Signal processing apparatus and method, program, and data recording medium |
| 02/18/2015 | EP2838196A1 System and method for controlled dynamics adaptation for musical content |
| 02/18/2015 | EP2837094A1 System and method for leveling loudness variation in an audio signal |
| 02/17/2015 | US8958500 Peak-to average power ratio reduction for wireless communication systems |
| 02/12/2015 | WO2015020783A1 Crest-factor based gain modification |
| 02/12/2015 | US20150043748 Electronic device, control method, and control program |
| 02/11/2015 | CN102843634B 对扬声器输出的控制 Speaker output control |
| 01/28/2015 | CN204131789U 一种光敏调节装置 A photosensitive adjusting device |
| 01/27/2015 | US8942391 Distortion compensation |
| 01/21/2015 | CN104303229A 用于维持与参数音频编码器相关联的可逆动态范围控制信息的系统 Reversible dynamic range for maintaining and parametric audio encoder associated control system information |
| 01/13/2015 | US8934997 Controlling and manipulating groupings in a multi-zone media system |
| 12/17/2014 | CN104221284A 用于调平音频信号的响度变化的系统及方法 System and method for leveling changes in loudness of the audio signal for |
| 12/17/2014 | CN104218911A 一种车载设备音控系统 A vehicle-mounted device sound control systems |
| 12/16/2014 | US8913754 System for dynamic spectral correction of audio signals to compensate for ambient noise |
| 12/10/2014 | CN104202003A 一种车载设备音量控制系统 A vehicle-mounted device volume control system |
| 12/10/2014 | CN102577114B 多带域压缩器 Multi-band compressor |
| 12/09/2014 | US8908872 BTSC encoder |
| 12/02/2014 | US8903729 System and method for non-destructively normalizing loudness of audio signals within portable devices |
| 12/02/2014 | US8903098 Signal processing apparatus and method, program, and data recording medium |
| 12/02/2014 | US8902013 Dynamic range compression circuit and class D amplifier |
| 11/18/2014 | US8892450 Signal clipping protection using pre-existing audio gain metadata |
| 11/11/2014 | US8886347 Method and apparatus for selecting a playback queue in a multi-zone system |
| 11/04/2014 | US8879750 Adaptive dynamic range enhancement of audio recordings |
| 10/28/2014 | US8873763 Perception enhancement for low-frequency sound components |
| 10/21/2014 | US8868414 Audio signal processing device with enhancement of low-pitch register of audio signal |
| 10/14/2014 | US8861747 Self powered audio compressor circuit |
| 10/14/2014 | US8860509 Clipping circuit, differential amplifying circuit, and amplifying circuit |
| 10/07/2014 | US8855187 Signal processing method for enhancing a dynamic range of a signal |
| 09/30/2014 | US8849433 Audio dynamics processing using a reset |
| 09/30/2014 | US8848928 Automatic measurement of audio presence and level by direct processing of an MPEG data stream |
| 09/23/2014 | US8843228 Method and apparatus for updating zone configurations in a multi-zone system |
| 09/17/2014 | EP2779446A1 Voltage controlled amplifier and method of using the same |
| 09/12/2014 | WO2014135914A1 A method for inverting dynamic range compression of a digital audio signal |
| 08/14/2014 | US20140226835 Vehicle approach informing device |
| 08/06/2014 | EP2761744A2 Hearing dose management |
| 07/30/2014 | EP2759057A2 Dynamic range control |
| 07/17/2014 | US20140198931 Digital Electronic Device and Method for Adjusting Signal Level of Digital Signal |
| 07/15/2014 | US8779274 Electronic signal processor |
| 06/24/2014 | US8761406 Audio signal processing device and audio signal processing method |
| 06/19/2014 | US20140169587 Electronic device and method for adjusting volume levels of audio signal outputted by the electronic device |
| 06/17/2014 | CA2566345C Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| 05/28/2014 | CN103828232A 动态范围控制 Dynamic Range Control |
| 05/22/2014 | US20140140537 Audio loudness control system |
| 05/20/2014 | US8731217 Method and apparatus for controlling audio signal output level of portable audio device |
| 05/20/2014 | US8729718 Thermomagnetic generator |
| 05/15/2014 | DE102011083672B4 Lernalgorithmus für eine Kompression Learning algorithm for compression |
| 05/14/2014 | EP2731104A1 Processing of an audio data stream based on associated metadata |
| 05/14/2014 | CN103795364A 用于对编码输入信号进行解码的方法和设备 A method and apparatus for decoding a coded input signal |
| 04/23/2014 | EP2721734A1 Method for normalizing the power of a sound signal, and associated processing device |
| 04/22/2014 | US8705768 Mixing apparatus and computer program therefor |
| 04/17/2014 | US20140105421 Sound output system, non-transitory computer-readable storage medium having sound output program stored thereon, sound output control method, and information processing apparatus |
| 04/03/2014 | US20140093098 Handheld device and electronic device assembly and method for adjusting volume |
| 04/02/2014 | CN103701421A Volume regulating device, volume regulating method and electronic equipment |
| 03/20/2014 | US20140079247 Dynamic adjustment of master and individual volume controls |
| 03/20/2014 | US20140079227 Method for adjusting volume and electronic device thereof |
| 03/18/2014 | US8676361 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 03/06/2014 | DE102013216305A1 System und Verfahren zum Einstellen der Empfindlichkeit einer kapazitiven Signalquelle System and method for adjusting the sensitivity of a capacitive signal source |
| 03/05/2014 | CN103618514A Volume adjustment method, device and electronic equipment |
| 03/05/2014 | CN102754151B System and method for non-destructively normalizing loudness of audio signals within portable devices |
| 02/26/2014 | CN102077464B 声学处理装置 Acoustic processing device |
| 02/19/2014 | CN102342020B Adjusting dynamic range for audio reproduction |
| 02/13/2014 | WO2014023363A1 Mems microphone and method of operating the mems microphone |
| 02/13/2014 | US20140044270 Progressive, targeted, and variable conference feedback tone |
| 02/12/2014 | CN103580631A Automatic loudness control |
| 01/09/2014 | US20140010377 Electronic device and method of adjusting volume in teleconference |
| 12/27/2013 | WO2013189938A1 Dynamic range compressor |
| 12/18/2013 | EP2403138B1 A self powered audio compressor circuit |
| 11/28/2013 | US20130315419 Method for controlling volume of electronic device and electronic device using the same |
| 11/26/2013 | US8594344 Method and apparatus for layered audio |
| 11/21/2013 | WO2013173080A1 System for maintaining reversible dynamic range control information associated with parametric audio coders |
| 11/07/2013 | WO2013041875A3 Dynamic range control |
| 11/07/2013 | US20130293345 Controlling and manipulating groupings in a multi-zone media system |
| 11/06/2013 | CN1658499B 阻抗阻塞滤波器电路 An impedance blocking filter circuit |
| 10/30/2013 | EP2658120A1 A hearing aid with improved compression |
| 10/17/2013 | WO2013154868A1 System and method for leveling loudness variation in an audio signal |
| 10/17/2013 | WO2013152795A1 Rssi system and bias method for amplifier stages in rssi systems |
| 10/17/2013 | DE102013206838A1 System und verfahren für einen kapazitiven signalverstärker mit hohem eingangssignal System and method for a capacitive signal amplifier with high input signal |
| 10/15/2013 | CA2488689C Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 09/24/2013 | CA2520118C Volume and compression control in movie theaters |
| 09/10/2013 | US8532314 Audio volume control circuit and method thereof |
| 09/03/2013 | US8526637 Volume control apparatus and program of volume control apparatus |
| 08/28/2013 | EP2632044A1 Hierarchical generation of control parameters for audio dynamics processing |
| 08/27/2013 | CA2635154C Feedback limiter with adaptive time control |
| 08/20/2013 | US8515087 Apparatus for processing an audio signal and method thereof |
| 07/23/2013 | US8494182 Feedback limiter with adaptive time control |
| 07/17/2013 | EP2615736A1 Signal processing device and method, program, and data recording medium |
| 07/17/2013 | CN102016994B An apparatus for processing an audio signal and method thereof |
| 07/16/2013 | US8488810 Audio processing chip and audio signal processing method thereof |
| 07/11/2013 | WO2013102799A1 Smart automatic audio recording leveler |
| 07/11/2013 | DE10260657B4 Audioverstärker mit Spannungsbegrenzung in Reaktion auf den Spektralgehalt Audio amplifier with voltage limiting in response to the spectral content |
| 07/10/2013 | CN102016995B An apparatus for processing an audio signal and method thereof |
| 07/09/2013 | US8484018 Data converting apparatus and method that divides input data into plural frames and partially overlaps the divided frames to produce output data |
| 07/03/2013 | EP2610865A1 Audio signal processing device and audio signal processing method |
| 07/03/2013 | CN101599747B Volume control apparatus and method |
| 06/25/2013 | US8472642 Processing of an audio signal for presentation in a high noise environment |
| 06/20/2013 | US20130156229 Methods and systems for determining audio loudness levels in programming |