| Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156) |
|---|
| 11/08/2007 | WO2007050264A3 Dual mode power amplifier |
| 11/07/2007 | EP1236377B1 Hearing aid device incorporating signal processing techniques |
| 11/06/2007 | US7292697 Audio reproducing system |
| 11/01/2007 | WO2007123172A1 Acoustic reproduction device |
| 11/01/2007 | US20070253577 Equalizer bank with interference reduction |
| 11/01/2007 | US20070253576 Method for virtual bass synthesis |
| 11/01/2007 | US20070253575 Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges |
| 11/01/2007 | US20070253563 Method for dynamically adjusting the spectral content of an audio signal |
| 11/01/2007 | US20070251379 Air Compression Apparatus and Method of Use |
| 10/30/2007 | US7289637 Method for automatically adjusting the filter parameters of a digital equalizer and reproduction device for audio signals for implementing such a method |
| 10/25/2007 | US20070248235 Information Processor and Controller Device |
| 10/24/2007 | EP1848110A2 Audio output device and method for calculating parameters |
| 10/24/2007 | CN101060316A Signal processing apparatus, signal processing method, and sound field correction system |
| 10/23/2007 | US7286674 Method for designing a modal equalizer for a low frequency audible range especially for closely positioned modes |
| 10/18/2007 | US20070242837 Speed- and User-Dependent Timbre and Dynamic Range Control Method, Apparatus and System for Automotive Audio Reproduction Systems |
| 10/17/2007 | CN100342860C Actacid composition |
| 10/11/2007 | WO2007114348A1 Reproduction sound volume adjusting device and method |
| 10/11/2007 | US20070237342 Method of listening to frequency shifted sound sources |
| 10/10/2007 | CN101053152A Audio tuning system |
| 10/03/2007 | EP1841062A1 System and method for extracting and conveying modulated AC signal information |
| 10/02/2007 | US7277551 Sound reproducing apparatus and sound reproducing method |
| 10/02/2007 | US7277550 Enhancing audio signals by nonlinear spectral operations |
| 09/27/2007 | US20070223736 Adaptive speaker equalization |
| 09/27/2007 | US20070223735 Electroacoustic Transducer System and Manufacturing Method Thereof |
| 09/26/2007 | EP1407544B1 Filter circuit and method for processing an audio signal |
| 09/20/2007 | WO2006074340A3 Parametric equalizer method and system |
| 09/20/2007 | US20070217619 Adjustable speaker systems and methods |
| 09/18/2007 | US7271662 High frequency power amplifier circuit and electric component for high frequency power amplifier |
| 09/18/2007 | US7271659 High speed amplifier incorporating pre-emphasis |
| 09/18/2007 | US7271648 Ladder filter, analog equalizer and signal readout system |
| 09/12/2007 | EP1833164A1 A gain adjusting method and a gain adjusting device |
| 09/12/2007 | CN101036293A System for and method of audio signal processing for presentation in a high-noise environment |
| 09/12/2007 | CN101034878A Gain adjusting method and gain adjusting device |
| 09/11/2007 | US7268618 Power amplifiers |
| 09/06/2007 | US20070206706 AM Receiving Circuit |
| 09/06/2007 | DE102006010390A1 Verfahren zum Bereitstellen eines Gesamtsignals zum Übertragen als ein Rundfunksignal, Sendevorrichtung und Empfangsvorrichtung dafür A method for providing an overall signal for transmitting as a broadcast signal, transmission apparatus and receiving apparatus therefor |
| 09/05/2007 | EP1044583B2 Means for bass enhancement in an audio system |
| 09/05/2007 | CN100336103C Band correcting apparatus |
| 09/04/2007 | US7266205 Linearized filter band equipment and processes |
| 08/29/2007 | EP1826900A1 Vehicle-mounted sound control system |
| 08/28/2007 | US7263407 Method and apparatus for processing digital audio signal |
| 08/16/2007 | WO2006101732A3 Bias control for reducing amplifier power consumption and maintaining linearity |
| 08/14/2007 | US7257231 Stream segregation for stereo signals |
| 08/14/2007 | US7257178 Base band circuit of receiver and low cut-off frequency control method |
| 08/09/2007 | DE102006005644A1 Verfahren zur frequenzabhängigen Lautstärkenregelung A method for frequency-dependent volume control |
| 08/09/2007 | DE102006004257A1 Der Adaptivverstärker The Adaptivverstärker |
| 08/01/2007 | EP1404148B1 Howling control device and howling control method |
| 08/01/2007 | CN101009481A Sound control circuit for hearing aid |
| 07/31/2007 | US7251333 Method and apparatus for creating a virtual third channel in a two-channel amplifier |
| 07/26/2007 | WO2007083416A1 Harmonic suppressing circuit |
| 07/26/2007 | US20070172082 Low frequency equalization for loudspeaker system |
| 07/26/2007 | US20070172081 Low frequency equalization for loudspeaker system |
| 07/25/2007 | EP1811660A1 Method and apparatus for automatically adjusting speaker gain within a mobile telephone |
| 07/24/2007 | US7248111 Multi-mode digital bias control for enhancing power amplifier efficiency |
| 07/19/2007 | US20070164820 Method and system for low noise amplifier (lna) gain adjustment through narrowband received signal strength indicator (nrssi) |
| 07/18/2007 | CN100998923A Improvement of or related to toy |
| 07/17/2007 | US7245727 Remote controlled audio mixing console |
| 07/17/2007 | US7245180 Intelligent RF power control for wireless modem devices |
| 07/12/2007 | US20070160232 Processing an audio input signal to produce a processed audio output signal |
| 07/12/2007 | US20070160231 Effect adding method and effect adding apparatus |
| 07/10/2007 | US7243060 Single channel sound separation |
| 07/10/2007 | US7242783 Audio limiting circuit |
| 07/05/2007 | US20070154037 Microphone-tailored equalizing system |
| 07/04/2007 | CN1992513A Effect adding method and effect adding apparatus |
| 06/28/2007 | US20070147638 Apparatus to remove a voice signal and method thereof |
| 06/26/2007 | US7236839 Audio decoder with expanded band information |
| 06/21/2007 | US20070140511 Process of implementing low frequency of audio signal |
| 06/20/2007 | CN1983806A Signal processing apparatus and signal processing method |
| 06/14/2007 | US20070136050 System and method for audio signal processing |
| 06/14/2007 | US20070133823 Signal processing apparatus and signal processing method |
| 06/14/2007 | US20070133822 Digital gain adjustment in a wireless receiver |
| 06/07/2007 | WO2007044706A3 Audio crossover system and method |
| 06/07/2007 | US20070127739 Method of setting equalizer for audio file and method of reproducing audio file |
| 06/07/2007 | US20070127738 Audio signal processing device and audio signal reproduction system |
| 06/06/2007 | EP1552608A4 Electrical impedance based audio compensation in audio devices and methods therefor |
| 06/05/2007 | US7227959 Multi-channel digital feedback reducer system |
| 05/31/2007 | US20070121964 First-order loudspeaker crossover network |
| 05/31/2007 | US20070121963 System and method for creating a monophonic spectrum sweeping wave file |
| 05/29/2007 | US7224217 Switching amplifier |
| 05/24/2007 | WO2007058650A1 Equalizer interface for electronic apparatus |
| 05/17/2007 | US20070110269 Biplane Line Array Speaker with Arcuate Tweeter Array Providing Controlled Directivity |
| 05/17/2007 | US20070110263 Voice activity detection with adaptive noise floor tracking |
| 05/17/2007 | US20070110259 Method and system for comparing audio signals and identifying an audio source |
| 05/17/2007 | US20070110258 Audio signal processing apparatus, and audio signal processing method |
| 05/16/2007 | EP1784570A2 Air compression apparatus and method of use |
| 05/10/2007 | US20070104336 Audio Crossover System and Method |
| 05/10/2007 | DE10309504B4 Verfahren zum Filtern eines Eingangssignals für einen Digitalsignalprozessor und Vorrichtung zur Durchführung des Verfahrens A method of filtering an input signal to a digital signal processor and device for carrying out the method |
| 05/08/2007 | US7215787 Digital audio precompensation |
| 05/08/2007 | US7215784 Programmable audio system for automotive vehicles |
| 05/03/2007 | WO2007050264A2 Dual mode power amplifier |
| 05/03/2007 | US20070098188 Equalization setting determination for audio devices |
| 05/03/2007 | US20070098187 Method and apparatus for reproducing music file |
| 05/03/2007 | US20070098186 Tone control circuit for hearing aid and the like |
| 05/03/2007 | US20070098185 High frequency signal construction method and apparatus |
| 05/03/2007 | US20070096810 Dual mode power amplifier |
| 05/02/2007 | EP1779509A2 System for and method of audio signal processing for presentation in a high-noise environment |
| 04/25/2007 | EP1570573B1 A fully parametric equalizer |
| 04/25/2007 | CN1312838C Electronic volume regulator and measuring method thereof |
| 04/19/2007 | WO2007044706A2 Audio crossover system and method |
| 04/19/2007 | CA2625058A1 Audio crossover system and method |