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