Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 5 - Tone control or bandwidth control in amplifiers
Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156)
05/2011
05/03/2011US7936889 Mixer apparatus and parameter-setting changing method for use in the mixer apparatus
05/03/2011US7936888 Equalization apparatus and method based on audiogram
04/2011
04/28/2011WO2011048741A1 Multiband compressor
04/28/2011WO2011047435A1 Loudspeaker assembly and system
04/28/2011US20110096934 Audio monitoring system
04/28/2011US20110096933 Audio processing
04/26/2011US7932458 Electronic signal processor
04/21/2011US20110091051 Portable computer electrical grounding and audio system architectures
04/20/2011EP1204216B1 Method and apparatus for distortion compensation of radio device
04/13/2011CN102013879A Device and method to adjust equalization of moving picture experts group audio layer-3 (MP3) music
04/05/2011US7920710 Loudspeaker apparatus
03/2011
03/31/2011WO2011035626A1 Audio playing method and audio playing apparatus
03/31/2011DE102009029615A1 Method for processing audio data of e.g. guitar, involves removing spectral property from spectrum of audio data, and impressing another spectral property on audio data, where another spectrum is formed corresponding to latter property
03/30/2011CN101997500A Audio equalization treatment system and method thereof
03/17/2011US20110064244 Method and Arrangement for Processing Audio Data, and a Corresponding Computer Program and a Corresponding Computer-Readable Storage Medium
03/15/2011US7907738 Speaker equalization tool
03/10/2011US20110058687 Apparatus
03/10/2011US20110058686 Audio processing device and audio processing method
03/10/2011US20110058685 Method of separating sound signal
03/01/2011US7899445 Mobile conferencing and audio sharing technology
03/01/2011US7899192 Method for dynamically adjusting the spectral content of an audio signal
02/2011
02/24/2011US20110044475 Audio adapter, earphone and speaker box
02/24/2011US20110044472 Audio compensation unit and compensating method and audio processing device thereof
02/24/2011US20110044471 Generation of a drive signal for sound transducer
02/22/2011US7894614 System and method for achieving extended low-frequency response in a loudspeaker system
02/17/2011US20110038490 System for increasing perceived loudness of speakers
02/16/2011EP1423985B1 Speaker equalization tool
02/08/2011US7885420 Wind noise suppression system
02/01/2011US7881485 Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece
02/01/2011US7881482 Audio enhancement system
01/2011
01/27/2011US20110019838 Audio processing in a portable listening device
01/27/2011US20110019828 Apparatus and method for sound enhancer
01/26/2011EP2278707A1 Dynamic enhancement of audio signals
01/20/2011US20110013783 Overtone production device, acoustic device, and overtone production method
01/20/2011US20110013782 Speaker system and amplifier
01/13/2011WO2010138515A3 Dynamic contoured-sound/subwoofer-synthesis audio system
01/12/2011EP2273673A1 Audio signal processing device and audio signal processing method
01/12/2011CN101394158B Timbre adjustment circuit
01/06/2011WO2011001589A1 Audio signal processing device
01/06/2011US20110002471 Systems and methods for transducer calibration and tuning
01/06/2011US20110002467 Dynamic enhancement of audio signals
12/2010
12/29/2010CN201690421U Variable equalizer for portable consumer electronics
12/29/2010CN101930736A Audio frequency equalizing method of decoder based on sub-band filter frame
12/29/2010CN101053152B Audio tuning system and method
12/23/2010US20100324711 Frequency normalization of audio signals
12/23/2010US20100322438 Method and circuit for controlling an output of an audio signal of a battery-powered device
12/22/2010EP2263312A1 Audio processing
12/22/2010CN201682599U Earphone equalizer
12/22/2010CN1694581B Measuring apparatus and method
12/15/2010EP2262280A2 Method and system for acoustic shock protection
12/14/2010US7852153 High efficiency linear microwave power amplifier
12/09/2010US20100310092 Cross-over frequency selection and optimization of response around cross-over
12/08/2010CN1662100B Bass boost circuit and bass boost processing program
12/07/2010CA2507799C System and method for adjusting an audio signal
12/02/2010WO2010138311A1 Equalization profiles for dynamic equalization of audio data
12/02/2010WO2010138309A1 Audio signal dynamic equalization processing control
12/02/2010WO2010137650A1 Voice reproduction device, voice reproduction method, and program
12/02/2010US20100301935 Bias circuit, high-power amplifier, and portable information terminal
12/01/2010CN1678129B Howling frequency component emphasis method and apparatus
11/2010
11/30/2010US7844651 Equalizer, group delay compensation circuit for the equalizer and method of compensating for group delay in the equalizer
11/25/2010WO2010104300A3 An apparatus for processing an audio signal and method thereof
11/25/2010WO2010104299A3 An apparatus for processing an audio signal and method thereof
11/25/2010US20100294587 Tetrahedral Loudspeaker
11/24/2010CN101183858B Song tone automatic regulation method and system thereof
11/23/2010US7840014 Sound apparatus with howling prevention function
11/23/2010US7840012 Audio conditioning apparatus, method and computer program product
11/18/2010US20100290643 Efficiency optimized audio system
11/17/2010CN101166018B Audio reproducing apparatus and method
11/17/2010CN101060316B Signal processing apparatus, signal processing method, and sound field correction system
11/11/2010US20100286806 Device and methods for audio data analysis in an audio player
11/10/2010CN1599510B Electroacoustical transducing method and device, acoustic ssytem
11/04/2010US20100278356 Audio amplification apparatus
11/02/2010US7826626 Cross-over frequency selection and optimization of response around cross-over
10/2010
10/26/2010US7822214 Audio power output system with shared output blocking capacitor
10/21/2010US20100266153 Electronically compensated micro-speakers and applications
10/21/2010US20100266143 Frequency-warped audio equalizer
10/12/2010US7813825 Multiband dynamic range control graphical interface
10/05/2010USRE41792 Controllable integrator
09/2010
09/30/2010US20100246854 Sound reproduction
09/30/2010US20100246853 Audio Signal Processing Apparatus and Speaker Apparatus
09/28/2010US7805293 Band correcting apparatus
09/23/2010US20100239106 Probabilistic Method of Loudspeaker Detection
09/23/2010US20100239102 Digital filtering in a class d amplifier system to reduce noise fold over
09/23/2010US20100239097 Method and System for Determining a Gain Reduction Parameter Level for Loudspeaker Equalization
09/22/2010CN101843115A Auditory sensibility correction device
09/22/2010CN101119106B Output volume automatic regulation method of media player
09/16/2010WO2010104300A2 An apparatus for processing an audio signal and method thereof
09/16/2010WO2010104299A2 An apparatus for processing an audio signal and method thereof
09/16/2010US20100232624 Method and System for Virtual Bass Enhancement
09/15/2010CN201584945U 均衡器 Equalizer
09/14/2010US7796770 Hearing aid with frequency channels
09/14/2010US7796768 Variable alignment loudspeaker system
09/09/2010US20100226508 Device and method for adapting an audio signal to a transducer unit
09/08/2010CN101826846A Half-bridge 3-level pulse-width modulation amplifier, audio apparatus and driving method of the PWM amplifier
09/02/2010US20100220872 Recording apparatus, recording method, audio signal correction circuit, and program
08/2010
08/31/2010US7787641 Sound reproducing system for use with multiple rooms
08/31/2010US7787640 System and method for spectral enhancement employing compression and expansion
08/31/2010US7787635 Dip filter frequency characteristic decision method
08/26/2010US20100215193 Speaker Distortion Deduction System and Method
08/26/2010US20100215192 Method and device for extension of low frequency output from a loudspeaker
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