Patents
Patents for H03G 9 - Combinations of two or more types of control, e.g. gain control and tone control (1,150)
07/2013
07/17/2013CN102016994B An apparatus for processing an audio signal and method thereof
07/16/2013US8488801 Audio compensation unit and compensating method and audio processing device thereof
07/10/2013CN102016995B An apparatus for processing an audio signal and method thereof
07/04/2013WO2013101605A1 Bass enhancement system
07/03/2013CN101599747B Volume control apparatus and method
06/2013
06/26/2013EP2606572A1 Method and system for controlling distortion in a critical frequency band of an audio signal
06/26/2013CN1855289B Reproducing device and reproducing method
06/19/2013CN102610232B Method for adjusting self-adaptive audio sensing loudness
05/2013
05/30/2013WO2013078056A1 Method and system for generating an audio metadata quality score
05/22/2013CN101589429B System and method for digital signal processing
05/07/2013US8437482 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
05/01/2013CN103081356A Method and system for controlling distortion in a critical frequency band of an audio signal
04/2013
04/24/2013CN101609685B 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
04/16/2013US8422691 Audio outputting device, audio outputting method, noise reducing device, noise reducing method, program for noise reduction processing, noise reducing audio outputting device, and noise reducing audio outputting method
04/04/2013WO2013049125A1 Audio processing and enhancement system
04/02/2013US8411877 Tuning and DAC selection of high-pass filters for audio codecs
03/2013
03/27/2013CN103004084A A method and an apparatus for voice quality enhancement
03/21/2013WO2013038937A1 Speech processing device and method, and program
03/21/2013CA2844915A1 Sound processing apparatus, method, and program
03/20/2013CN102986136A Apparatus and method for modifying an input audio signal
03/20/2013CN102246230B Systems and methods for improving the intelligibility of speech in a noisy environment
02/2013
02/06/2013EP2553810A1 System and method for limiting excursion of an audio speaker
01/2013
01/31/2013WO2012163451A3 Controlling multichannel signals
01/29/2013CA2538809C Dynamic bass boost apparatus and method
01/23/2013EP2548303A1 Techniques for distortion reducing multi-band compressor with timbre preservation
01/17/2013DE102012103553A1 Audiosystem und verfahren zur verwendung von adaptiver intelligenz, um den informationsgehalt von audiosignalen in verbraucheraudio zu unterscheiden und eine signalverarbeitungsfunktion zu steuern Audio system and method for use of adaptive intelligence to distinguish the information content of audio signals in consumer audio and control a signal processing function
01/16/2013EP2545646A1 System for combining loudness measurements in a single playback mode
01/09/2013CN101790758B Audio processing using auditory scene analysis and spectral skewness
01/08/2013US8351619 Auditory sense correction device
01/03/2013US20130003989 Perception enhancement for low-frequency sound components
12/2012
12/26/2012EP2538559A1 Audio controlling apparatus, audio correction apparatus, and audio correction method
12/26/2012EP2538555A1 Control of a loudspeaker output
12/25/2012US8340324 Device for setting parameters of mixer
12/19/2012EP2127074B1 Audio reproduction method and apparatus with auto volume control function
12/18/2012US8335325 Audio signal processing apparatus mixing plurality of input audio signals
12/18/2012US8335323 Method of and a device for processing audio data, a program element and a computer-readable medium
12/06/2012DE102012104540A1 Subwoofer-lautstärkenregler Subwoofer volume control
12/05/2012EP2530835A1 Automatic adjustment of a speed dependent equalizing control system
12/05/2012CN102812636A Techniques for distortion reducing multi-band compressor with timbre preservation
11/2012
11/28/2012CN102804598A Method and circuit for controlling an output of an audio signal of a battery-powered device
11/21/2012CN102792588A System for combining loudness measurements in a single playback mode
11/14/2012EP2522156A1 Compressor based dynamic bass enhancement with eq
11/13/2012US8311239 Method and apparatus for audio bass enhancement using stereo speakers
11/08/2012DE112011100216T5 Dynamische Bassverbesserung auf Kompressionsvorrichtungsbasis mit EQ Dynamic bass enhancement on compression device base with EQ
11/07/2012CN102771145A Compressor based dynamic bass enhancement with EQ
10/2012
10/31/2012EP2518897A2 Signal processing device, method thereof, program, and data recording medium
10/31/2012DE102011019005A1 Digital volume potentiometer receives digital audio signal whose level is controlled and re-issued digitally without conversion into analog domain, where digitally controlled output signal is synchronized with new output clock
10/16/2012US8290181 Automatic audio gain control for concurrent capture applications
09/2012
09/26/2012CN102694517A Spatially constant surround sound
09/20/2012WO2012024144A9 Method and system for controlling distortion in a critical frequency band of an audio signal
09/19/2012CN102684628A Method for modifying parameters of audio dynamic processor and device executing the method
09/11/2012US8265300 Method and apparatus for controlling volume
08/2012
08/29/2012EP2493071A1 Multiband compressor
08/21/2012US8249277 Apparatus capable of switching volume adjustment mode automatically and volume adjustment method thereof
08/15/2012EP2487930A1 Sound signal output apparatus and sound signal output method
08/15/2012EP2487792A1 Automatic gain control circuit and method for automatic gain control
08/15/2012EP2486654A1 Adaptive dynamic range enhancement of audio recordings
08/07/2012US8238578 Electroacoustical transducing with low frequency augmenting devices
07/2012
07/19/2012WO2012094827A1 A method and an apparatus for voice quality enhancement
07/18/2012EP2477331A2 Tone control apparatus
07/11/2012CN102577114A Multiband compressor
07/10/2012US8217716 Bias circuit, high-power amplifier, and portable information terminal
07/05/2012US20120170759 System and method for enhanced streaming audio
06/2012
06/27/2012CN101174819B Ideal equalizer and ideal equalization method for infinite impulse response filtering
06/20/2012EP2465200A1 System for increasing perceived loudness of speakers
06/19/2012US8204254 Vacuum tube preamplifier, amplifier and method for musical instruments with programmable controls
06/05/2012US8194887 System and method for dynamic bass frequency control in association with a dynamic low frequency control circuit having compression control
05/2012
05/16/2012EP1805891B1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
04/2012
04/25/2012EP2445231A1 Hearing aid with binaural communication link
04/25/2012EP2445106A1 Acoustic signal processing apparatus
04/25/2012EP2443744A1 Method and circuit for controlling an output of an audio signal of a battery-powered device
04/11/2012EP1440509B1 Digital audio processor
04/11/2012CN1832339B 保留音频信号的方法和设备 Retention method and apparatus for audio signals
04/11/2012CN102414746A 在保持感知谱平衡的情况下的音频信号响度调整 Adjust the loudness of the audio signal while maintaining the perceived spectral balance of the
04/11/2012CN101819771B Method and apparatus for calculating and adjusting the perceived loudness of an audio signal
04/04/2012EP2437394A1 Method for signal processing in a hearing aid and hearing aid
04/04/2012EP2374211B1 Audio signal loudness determination and modification in the frequency domain
03/2012
03/28/2012EP1869765B1 Compander system
03/28/2012CN101151800B A method of and a device for processing audio data, a program element and a computer-readable medium
03/14/2012EP2427882A1 Adjusting the loudness of an audio signal with perceived spectral balance preservation
03/01/2012DE102011081198A1 Vorrichtung und Verfahren zum Anpassen von Audiosignalen Apparatus and method for adjusting audio signals
02/2012
02/23/2012WO2012024144A1 Method and system for controlling distortion in a critical frequency band of an audio signal
02/16/2012US20120039495 Audio processing apparatus, audio processing method, and program
01/2012
01/31/2012US8107643 Apparatus and method of automatically compensating an audio volume in response to channel change
01/24/2012US8103008 Loudness-based compensation for background noise
01/10/2012US8094837 Processing an audio input signal to produce a processed audio output signal
01/05/2012WO2012002537A1 Portable electronic apparatus and audio control system
01/04/2012EP2401872A2 Speaker distortion reduction system and method
01/03/2012US8090122 Audio mixing using magnitude equalization
12/2011
12/27/2011US8085959 Hearing compensation system incorporating signal processing techniques
12/27/2011US8085943 Noise extractor system and method
12/27/2011US8085090 Method and system for polar modulating QAM signals with discontinuous phase
11/2011
11/30/2011EP2391030A1 Methods and apparatus for recording reproducing, transmitting and/or receiving compressed data and recording medium therefor
11/30/2011CN102265513A 频域中的音频信号响度确定和修改 Loudness of the audio signal in the frequency domain to identify and modify
11/24/2011US20110286602 System and method for enhanced streaming audio
11/23/2011EP1665524B1 Dynamic bass boost apparatus and method
11/23/2011CN102257728A Audio signal adjustment device and audio signal adjustment method
11/22/2011US8064747 Reproducing device and reproducing method
10/2011
10/26/2011EP2381574A1 Apparatus and method for modifying an input audio signal
10/19/2011CN1672462B Signal strength information dependent control of small electrodynamic transducers in audio systems
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