| Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156) |
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| 07/01/2008 | US7395459 Method for monitoring audible tones in a multiple planar chassis |
| 07/01/2008 | US7394912 Audio headband device |
| 07/01/2008 | US7394908 Apparatus and method for generating harmonics in an audio signal |
| 07/01/2008 | US7392880 Dual range horn with acoustic crossover |
| 06/26/2008 | US20080152168 Audio signal frequency range boost circuits |
| 06/26/2008 | US20080150632 Gigabit ethernet transceiver with analog front end |
| 06/24/2008 | US7391869 Base management systems |
| 06/24/2008 | US7390960 Electronic signal processor |
| 06/19/2008 | US20080144858 Method and apparatus for mixing priority and non-priority audio signals |
| 06/17/2008 | US7388959 Harmonic generator and pre-amp |
| 06/05/2008 | WO2008067396A2 Adaptive cancellation system for implantable hearing instruments |
| 06/04/2008 | CN101194535A Method for correcting electroacoustic converter acoustic paramenter and device accomplishing the method |
| 06/03/2008 | US7382898 Method and apparatus for detecting left objects |
| 05/29/2008 | WO2008062748A1 Signal processing device and signal processing method |
| 05/29/2008 | US20080125672 Low-Cost Hearing Testing System and Method of Collecting User Information |
| 05/28/2008 | EP1230732B1 Gigabit ethernet transceiver with analog front end |
| 05/28/2008 | CN101188409A Sound signal equalizer and signal character equalizer |
| 05/28/2008 | CN101188132A Automatic setting method and device of balancer function of digital audio player |
| 05/27/2008 | US7378909 Radio-frequency power amplifier apparatus and method of adjusting output power thereof |
| 05/22/2008 | WO2007081671A3 Spherically housed loudspeaker system with force balancing |
| 05/22/2008 | US20080118087 Miniature sound level dosimeter |
| 05/22/2008 | US20080118085 Sound signal equalizer and signal equalizer |
| 05/22/2008 | US20080118084 Method and apparatus to enhance low frequency component of audio signal by calculating fundamental frequency of audio signal |
| 05/21/2008 | EP1709734B1 System for audio signal processing |
| 05/21/2008 | EP1523805B1 Circuit arrangement for reducing the dynamic range of audio signals |
| 05/21/2008 | CN101183858A Song tone automatic regulation method and system thereof |
| 05/13/2008 | US7372966 System for limiting loudspeaker displacement |
| 05/07/2008 | EP1917716A1 Interchangeable receive inputs for band and system swappability in communication systems and related methods |
| 05/07/2008 | CN101174819A Ideal equalizer and ideal equalization method for infinite impulse response filtering |
| 05/06/2008 | US7369666 Audio reproducing system |
| 05/06/2008 | US7368988 High-frequency power amplifier |
| 04/30/2008 | EP1915818A1 Audio tuning system |
| 04/30/2008 | CN101170302A Audio processing method and audio processing apparatus |
| 04/24/2008 | WO2008047139A1 Digital signal processing |
| 04/24/2008 | WO2007097901A3 Method for testing using a hearing aid |
| 04/24/2008 | DE202008001616U1 Gerät zur Regulierung der Klangwirkung im Computer Device for regulating the sound effect in the computer |
| 04/24/2008 | DE102007046025A1 Signal processing device i.e. audio playback device, has combination circuit combining input audio signal, two harmonic component signals in preset ratio, where frequency band of one frequency component is higher than other frequency band |
| 04/24/2008 | CA2665005A1 System and method for compensating memoryless non-linear distortion of an audio transducer |
| 04/23/2008 | EP1915027A1 Audio reproducing apparatus |
| 04/23/2008 | EP1915026A2 Audio reproducing apparatus |
| 04/23/2008 | CN101167250A Dynamic range control and equalization of digital audio using warped processing |
| 04/23/2008 | CN101166019A Audio reproducing apparatus |
| 04/23/2008 | CN101166018A Audio reproducing apparatus |
| 04/22/2008 | US7363096 Digital audio signal filtering mechanism and method |
| 04/17/2008 | DE202008001267U1 Kopfhörer mit der Möglichkeit der Tonfarberegulierung Headphones with the possibility of Tonfarberegulierung |
| 04/16/2008 | EP1911324A1 Method of correction of acoustic parameters of electro-acoustic transducers and device for its realization |
| 04/15/2008 | US7359857 Method and system of correcting spectral deformations in the voice, introduced by a communication network |
| 04/15/2008 | US7359521 Aliasing cancellation in audio effects algorithms |
| 04/10/2008 | US20080085013 Feedback cancellation in a sound system |
| 04/09/2008 | EP1366564B1 Device for the noise-dependent adjustment of sound volumes |
| 04/03/2008 | US20080080720 System and method for intelligent equalization |
| 04/02/2008 | EP1668776A4 Audio pre-amp and mid-band compressor circuit |
| 04/02/2008 | CN201044433Y Rating audio frequency conditioning controller |
| 04/02/2008 | CN101155439A Method for intensifying sound effect processing function of Bluetooth stereo device |
| 04/02/2008 | CN101154931A Signalverarbeitungsvorrichtung |
| 04/01/2008 | US7352872 Filter circuit and method for processing an audio signal |
| 03/27/2008 | US20080075303 Equalizer control method, medium and system in audio source player |
| 03/27/2008 | US20080075302 Multiple audio channel bass management method and system |
| 03/20/2008 | US20080069378 Automatic Audio System Equalizing |
| 03/20/2008 | US20080069377 Audio processing system and method |
| 03/19/2008 | CN100375694C Sound system with equalization for a convertible automobile |
| 03/18/2008 | US7346177 Method and apparatus for generating audio components |
| 03/18/2008 | US7346173 Method and circuit assemblage for influencing the treble reproduction of an audio signal |
| 03/18/2008 | US7345537 Linear power amplifier with multiple output power levels |
| 03/05/2008 | EP0842562B1 Automatically switched equalization circuit |
| 03/04/2008 | US7340069 System and method for split automatic gain control |
| 02/28/2008 | US20080049951 Enhancing audio signals by nonlinear spectral operations |
| 02/27/2008 | CN100371986C Controlling loudness of speech in signals that contain speech and other types of audio material |
| 02/26/2008 | US7336793 Loudspeaker system for virtual sound synthesis |
| 02/26/2008 | US7336131 Gigabit ethernet transceiver with analog front end |
| 02/21/2008 | US20080044052 Audio headband device |
| 02/20/2008 | EP1890245A1 Signal routing apparatus and signal routing program |
| 02/20/2008 | EP1889364A2 Dynamic range control and equalization of digital audio using warped processing |
| 02/19/2008 | US7332970 Integrated amplifier, electronic communication unit with integrated amplifier and method for operating the electronic communication unit with an integrated amplifier |
| 02/14/2008 | WO2008018276A1 Voltage controlled oscillator, frequency synthesizer and oscillating frequency control method |
| 02/14/2008 | US20080037805 Audio output device and method for calculating parameters |
| 02/13/2008 | EP1887687A1 Compensating device and method for acoustical systems |
| 02/13/2008 | EP1428315A4 Unobtrusive removal of periodic noise |
| 02/07/2008 | US20080031474 Acoustic Transducer Array Signal Processing |
| 02/06/2008 | CN101119106A Output volume automatic regulation method of media player |
| 01/31/2008 | US20080024228 Hybrid output stage apparatus and related method thereof |
| 01/22/2008 | US7321661 Current feedback system for improving crossover frequency response |
| 01/17/2008 | WO2008008850A2 Environmentally controlled frequency response modification for long range hailing system |
| 01/17/2008 | US20080013753 Environmentally controlled frequency response modification for long range hailing system |
| 01/17/2008 | US20080013752 Audio entertainment system equalizer and method |
| 01/09/2008 | EP1876706A1 Acoustic reproduction device |
| 01/08/2008 | US7317800 Apparatus and method for processing an audio signal to compensate for the frequency response of loudspeakers |
| 01/03/2008 | US20080002839 Smart equalizer |
| 01/03/2008 | DE102006046699B3 Hearing device particularly hearing aid, has signal processing mechanism by which signals are processed in multiple frequency channels and adjusting mechanism is used for adjusting levels of individual frequency channels |
| 01/01/2008 | US7315624 Stream segregation for stereo signals |
| 12/27/2007 | WO2005101959A3 Dynamic range control and equalization of digital audio using warped processing |
| 12/25/2007 | US7313244 Circuit and method for eliminating pop noise in digital audio amplifier using dual power supply |
| 12/20/2007 | US20070291958 Creating Music by Listening |
| 12/20/2007 | US20070290747 System and method for polar modulation using power amplifier bias control |
| 11/28/2007 | CN200983574Y Small plug balancer |
| 11/27/2007 | US7302067 Audio system for a computer |
| 11/22/2007 | US20070269063 Spatial audio coding based on universal spatial cues |
| 11/21/2007 | EP1858295A1 Equalization in acoustic signal processing |
| 11/21/2007 | CN100350741C Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
| 11/13/2007 | US7295605 Adaptive equalizer with DC offset compensation |