| Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156) |
|---|
| 01/27/2009 | US7482868 Dual mode power amplifier |
| 01/13/2009 | US7477102 High efficiency linear microwave power amplifier |
| 01/01/2009 | US20090002068 Dynamic Biasing System For An Amplifier |
| 12/25/2008 | US20080317114 Reciprocal Index Lookup for BTSC Compatible Coefficients |
| 12/17/2008 | EP2002429A1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 12/16/2008 | US7466928 Optical receiver with dynamic gain and bandwidth |
| 12/16/2008 | US7466831 Audio processing |
| 12/16/2008 | US7466830 Equalizing circuit amplifying bass range signal |
| 12/16/2008 | US7466829 Dynamic bass equalization with modified sallen-key high pass filter |
| 12/11/2008 | WO2008048413A3 System and method for compensating memoryless non-linear distortion of an audio transducer |
| 12/10/2008 | EP1999992A1 Sony ericsson mobile communications ab |
| 12/09/2008 | US7463746 Narrow opening electroacoustical transducing |
| 12/04/2008 | US20080297258 Variable impedance circuit; and variable impedance system, filter circuit, amplifier, and communication system using the same |
| 12/02/2008 | US7460678 Digital audio processor |
| 12/02/2008 | US7460674 Audio effector circuit |
| 11/27/2008 | WO2008144364A1 Dual mode power amplifier |
| 11/27/2008 | WO2006020186A3 Method for riaa correction without capacitors |
| 11/27/2008 | US20080292114 Audio reproducing apparatus |
| 11/27/2008 | US20080292113 Method and apparatus for audio path filter tuning |
| 11/27/2008 | DE102008023919A1 Schaltung zum Bearbeiten von Klangsignalen Circuit for processing sound signals |
| 11/26/2008 | CN100438354C Automatic pulse with regulating method and device |
| 11/20/2008 | WO2007016465A3 Loudspeaker with automatic calibration and room equalization |
| 11/20/2008 | WO2006073986A3 Integrated audio video signal processing system using centralized processing of signals |
| 11/20/2008 | WO2004105231A3 Smart linearized power amplifier and related systems and methods |
| 11/20/2008 | US20080285775 Sound tuning method |
| 11/19/2008 | CN101310439A Equalizer interface for electronic apparatus |
| 11/18/2008 | US7454331 Controlling loudness of speech in signals that contain speech and other types of audio material |
| 11/13/2008 | WO2007140003A3 System and method for processing an audio signal |
| 11/13/2008 | US20080279395 Feedback Compensation in a Sound Processing Device |
| 11/12/2008 | EP1988822A2 Method for testing using a hearing aid |
| 11/11/2008 | US7450915 Smart transmitter system |
| 11/06/2008 | US20080273718 Bass enhancing method, signal processing device, and audio reproducing system |
| 11/06/2008 | US20080273717 Audio amplifier thermal management using low frequency limiting |
| 10/30/2008 | US20080267427 Loudness-based compensation for background noise |
| 10/30/2008 | US20080267426 Device for and a Method of Audio Data Processing |
| 10/29/2008 | CN101296529A Sound tuning method and apparatus |
| 10/21/2008 | US7440576 Apparatus and method for reconstructing high frequency part of signal |
| 10/16/2008 | US20080253547 Audio control for teleconferencing |
| 10/16/2008 | DE4427912B4 Verfahren und Einrichtung zur Anpassung von Ausgangssignalen eines Tonwiedergabegerätes an den Geräuschpegel im Fahrgastraum eines Kraftfahrzeuges Method and apparatus for adjusting output signals of a Tonwiedergabegerätes to the background noise in the passenger compartment of a motor vehicle |
| 10/09/2008 | WO2008119680A1 Lock-in amplifier and method for filtering a measurement signal using such an amplifier |
| 10/08/2008 | EP1977634A2 Spherically housed loudspeaker system with force balancing |
| 10/08/2008 | EP1685649A4 Adjustable speaker systems and methods |
| 10/02/2008 | US20080240467 Frequency-warped audio equalizer |
| 10/02/2008 | DE4415807B4 Anordnung zur Klangfarbeneinstellung in einem NF-Wiedergabegerät Arrangement for tone setting in a NF-reproducing apparatus |
| 10/01/2008 | EP1976114A1 Automatic equalizer adjustment method |
| 09/30/2008 | US7430296 Circuit arrangement for reducing the dynamic range of audio signals |
| 09/30/2008 | US7429891 Method and system for low noise amplifier (LNA) gain adjustment through narrowband received signal strength indicator (NRSSI) |
| 09/25/2008 | US20080232612 System for Audio Signal Processing |
| 09/24/2008 | EP1779509A4 System for and method of audio signal processing for presentation in a high-noise environment |
| 09/23/2008 | US7428308 Transmitting and reproducing stereophonic audio signals |
| 09/17/2008 | CN201118526Y An automatic adjusting system for song tone |
| 09/17/2008 | CN100420149C Communication device with active equalization and method therefor |
| 09/11/2008 | US20080219461 System for monitoring audible tones in a multiple planar chassis |
| 09/10/2008 | EP1275200B1 Method and apparatus for dynamic sound optimization |
| 09/04/2008 | WO2007112424A3 Audio limiting device for headphones |
| 09/04/2008 | US20080212798 System and Method for Intelligent Equalization |
| 09/04/2008 | US20080212797 Bass boost filtering techniques |
| 09/04/2008 | US20080212795 Transient detection and modification in audio signals |
| 09/04/2008 | US20080211579 Method and apparatus for optimizing power dissipation in a low noise amplifier |
| 08/28/2008 | US20080205676 Phase-Amplitude Matrixed Surround Decoder |
| 08/28/2008 | US20080205667 Room acoustic response modeling and equalization with linear predictive coding and parametric filters |
| 08/28/2008 | US20080204135 Method and system for low noise amplifier (lna) gain adjustment through narrowband received signal strength indicator (nrssi) |
| 08/26/2008 | US7418104 Speaker system |
| 08/21/2008 | WO2008099486A1 Sound device, sound control method, sound control program, and recording medium |
| 08/20/2008 | CN101247112A Audio device |
| 08/20/2008 | CN100412875C Signal routing apparatus and signal routing program |
| 08/19/2008 | US7415118 System and method for distributed gain control |
| 08/14/2008 | WO2008096653A1 Amplification control device, test signal generation module, test device, amplification control method, program, recording medium |
| 08/14/2008 | US20080192957 Filter coefficient calculation device, filter coefficient calculation method, control program, computer-readable storage medium, and audio signal processing apparatus |
| 08/13/2008 | EP1956588A1 Method and apparatus for decoding an audio signal |
| 08/13/2008 | CN100411492C Audio multichannel equilizer |
| 08/07/2008 | WO2008093954A1 Audio reproduction method and apparatus with auto volume control function |
| 08/05/2008 | US7409067 Method and apparatus for adjusting frequency characteristic of signal |
| 08/05/2008 | US7409066 Method of adjusting filter parameters and an associated playback system |
| 07/31/2008 | WO2008090899A1 Sound adjusting device, sound device, and sound editing program |
| 07/31/2008 | WO2008090897A1 Filter |
| 07/31/2008 | WO2008090896A1 Acoustic adjustment method |
| 07/31/2008 | US20080181434 Headphone providing tone adjusting function |
| 07/31/2008 | US20080181428 Method of and a Device For Processing Audio Data, a Program Element and a Computer-Readable Medium |
| 07/30/2008 | EP1949535A1 Equalizer interface for electronic apparatus |
| 07/29/2008 | US7405617 Dynamic biasing system for an amplifier |
| 07/24/2008 | WO2008067396A3 Adaptive cancellation system for implantable hearing instruments |
| 07/24/2008 | WO2007117895A3 Systems and methods for on-chip power management |
| 07/24/2008 | US20080175411 Player device with automatic settings |
| 07/24/2008 | US20080175410 Audio system with tone controller for use in a computer |
| 07/24/2008 | US20080175409 Bass enhancing apparatus and method |
| 07/24/2008 | US20080175335 Transmission circuit comprising multistage amplifier, and communication device |
| 07/23/2008 | CN101226746A Method and apparatus for providing an acoustic signal with extended band-width |
| 07/22/2008 | US7403626 Level adjustment apparatus |
| 07/17/2008 | US20080170723 Audio Reproducing Apparatus and Method, and Computer Program |
| 07/17/2008 | US20080170722 Sound device |
| 07/17/2008 | US20080170721 Audio enhancement method and system |
| 07/15/2008 | US7400676 Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment device |
| 07/09/2008 | EP1941611A1 Audio dosage control |
| 07/08/2008 | US7397924 Modular loudspeaker |
| 07/08/2008 | US7397850 Reciprocal index lookup for BTSC compatible coefficients |
| 07/03/2008 | WO2008078232A1 A system for processing audio data |
| 07/03/2008 | US20080159564 Audio codec producing a tone controlled output |
| 07/03/2008 | US20080159563 Method and apparatus to enhance low frequency components and medium frequency components of audio signal |
| 07/02/2008 | CN101212310A Audio data inflexion system |