| Patents for H03G 9 - Combinations of two or more types of control, e.g. gain control and tone control (1,150) |
|---|
| 07/07/2009 | US7558391 Compander architecture and methods |
| 07/01/2009 | EP1869766B1 A method of and a device for processing audio data, a program element and a computer-readable medium |
| 06/25/2009 | DE102005004766B4 Verfahren zum Aufbereiten von Schallsignalen, insbesondere für das Zurverfügungstellen von aufzubereitenden Schallsignalen für schwerhörige Personen, und Vorrichtung zum Aufbereiten von Schallsignalen Method for processing acoustic signals, in particular for the provision of reprocessed sound signals for deaf people, and apparatus for processing of acoustic signals |
| 06/23/2009 | US7551745 Volume and compression control in movie theaters |
| 06/23/2009 | US7551026 Method and system for polar modulation with discontinuous phase for RF transmitters with power control |
| 05/28/2009 | US20090136063 Methods and apparatus for providing an interface to a processing engine that utilizes intelligent audio mixing techniques |
| 05/14/2009 | DE102007053188A1 Gerät der Unterhaltungselektronik mit Kopfhörer Unit of consumer electronics with headphones |
| 04/29/2009 | CN101421781A Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 04/23/2009 | DE19882089B4 Verstärker zur kontinuierlichen schmalbandigen Signalverstärkung mit hohem Verstärkungsfaktor und Verstärkungsverfahren Continuous narrow-band amplifier for signal amplification with a high gain and amplification method |
| 04/22/2009 | CN100481722C System and method for enhancing delivered sound in acoustical virtual reality |
| 04/16/2009 | DE202008016015U1 Combo-Verstärker Combo Amplifier |
| 04/15/2009 | EP2047595A1 Volume dependent audio frequency gain profile |
| 04/14/2009 | US7519187 Array speaker system |
| 04/02/2009 | DE102005020317B4 Automatische Verstärkungseinstellung bei einem Hörhilfegerät Automatic gain adjustment for a hearing aid |
| 03/19/2009 | US20090074205 Vacuum tube preamplifier, amplifier and method for musical instruments with programmable controls |
| 03/04/2009 | CN100466467C Automatic volume amplitude limiter with automatic gain controlling function |
| 03/03/2009 | US7499556 Integrating apparatus |
| 02/19/2009 | US20090046872 Automatic audio level control |
| 02/17/2009 | US7492914 Audio receiving system |
| 02/05/2009 | US20090033415 Method and system for amplitude calibration for polar modulation with discontinuous phase |
| 02/03/2009 | US7486797 Audio correcting apparatus |
| 01/14/2009 | CN101345055A Speech processor and communication terminal device |
| 12/17/2008 | EP2002539A1 Loudness modification of multichannel audio signals |
| 12/17/2008 | EP2002429A1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 12/02/2008 | US7460678 Digital audio processor |
| 11/25/2008 | US7457424 Electronic volume device and remote controller thereof |
| 10/29/2008 | CN100429936C Apparatus and method of automatically compensating an audio volume in response to channel change |
| 10/23/2008 | WO2008126496A1 Acoustic processing system and method for electronic device and mobile telephone terminal |
| 10/21/2008 | US7440576 Apparatus and method for reconstructing high frequency part of signal |
| 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 |
| 10/15/2008 | EP1981309A1 Hearing aid with multi-channel compression |
| 10/01/2008 | EP1532734A4 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 09/24/2008 | EP1779509A4 System for and method of audio signal processing for presentation in a high-noise environment |
| 09/17/2008 | EP1971184A2 Bass enhancing method, signal processing device, and audio reproducing system |
| 09/09/2008 | US7424120 Method and apparatus for volume control |
| 09/04/2008 | WO2007112424A3 Audio limiting device for headphones |
| 08/28/2008 | DE102005001496B4 Verfahren und Vorrichtung zur Verstärkung eines amplituden- und phasenmodulierten elektrischen Signals Method and apparatus for amplifying an amplitude and phase modulated electrical signal |
| 08/20/2008 | CN101247112A Audio device |
| 08/05/2008 | US7409067 Method and apparatus for adjusting frequency characteristic of signal |
| 07/22/2008 | US7403626 Level adjustment apparatus |
| 07/17/2008 | WO2008086112A1 Personalized sound system hearing profile selection process |
| 07/02/2008 | EP1499949A4 Apparatus and method for adapting audio signal |
| 07/02/2008 | CN101212310A Audio data inflexion system |
| 06/25/2008 | CN100397781C Voice enhancement system |
| 06/24/2008 | US7391875 Peak-limiting mixer for multiple audio tracks |
| 06/19/2008 | US20080144338 DC/DC converter, and power amplifier applying the same |
| 06/18/2008 | CN101202101A Digital sound console and power amplifier integrated machine |
| 06/05/2008 | US20080130915 Audio reproducing apparatus |
| 05/21/2008 | DE602004008455T2 Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals Method, apparatus and computer program for calculating and setting the perceived loudness of an audio signal |
| 05/08/2008 | DE202008002423U1 Schallwiedergabevorrichtung und deren System Sound reproducing apparatus and its system |
| 05/07/2008 | CN101174819A Ideal equalizer and ideal equalization method for infinite impulse response filtering |
| 05/06/2008 | US7369906 Digital audio signal processing |
| 04/16/2008 | CN101162894A Sound-effect processing equipment and method |
| 04/10/2008 | US20080085013 Feedback cancellation in a sound system |
| 04/02/2008 | EP1668776A4 Audio pre-amp and mid-band compressor circuit |
| 03/26/2008 | CN101151800A A method of and a device for processing audio data, a program element and a computer-readable medium |
| 03/18/2008 | US7345537 Linear power amplifier with multiple output power levels |
| 03/11/2008 | US7343019 Streaming normalization |
| 03/04/2008 | US7340069 System and method for split automatic gain control |
| 02/12/2008 | US7330554 Volume control apparatus and method thereof |
| 02/06/2008 | CN101119106A Output volume automatic regulation method of media player |
| 01/24/2008 | WO2008010029A1 Volume dependent audio frequency gain profile |
| 01/17/2008 | US20080013751 Volume dependent audio frequency gain profile |
| 01/15/2008 | US7319764 Method and apparatus for controlling volume |
| 01/10/2008 | US20080008311 Methods and apparatus for improving voice quality in an environment with noise |
| 12/26/2007 | EP1869766A2 A method of and a device for processing audio data, a program element and a computer-readable medium |
| 12/26/2007 | EP1869765A1 Compander system |
| 11/27/2007 | US7302062 Audio enhancement system |
| 11/22/2007 | US20070269057 Sound reproduction device and method for automatic gain control |
| 11/01/2007 | US20070253578 System and method for adjusting microphone gain based on volume setting of a mobile device |
| 10/31/2007 | CN200969678Y Receiver handfree compatible with loudspeaker and its power amplifying and controlling circuit |
| 10/31/2007 | CN200969677Y Internal magnetic and internal moving-coil type receiver handfree loudspeaker and power amplifier control circuit |
| 10/25/2007 | WO2007120453A1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 10/24/2007 | CN200966152Y Double movable coil double magnetic pole type loudspeaker and power amplifier control circuit |
| 10/24/2007 | CN200966151Y Earphone handle-free bi-directional loudspeaker for mobile telephone and its power amplifier and control circuit |
| 10/23/2007 | US7286675 Audio signal processors |
| 10/17/2007 | CN200962668Y Electrical sound, high conversion rate, high sound quality, dual-magnetic pole, and dual-dynamic loop speaker and power amplification control circuit |
| 10/10/2007 | CN200959673Y Internal and external double-magnetic loundspeaker with pickup-free headphone for cell phone and amplifying and controlling circuit |
| 10/10/2007 | CN200959672Y Internal and external double-magnetic hollow magnetic cored loundspeaker and amplifying and controlling circuit |
| 10/10/2007 | CN200959671Y Triple magnetic-pole and voice-coil integrated loundspeaker and amplifying and controlling circuit |
| 10/10/2007 | CN200959670Y Triple-stage magnetic-pole loundspeaker and amplifying and controlling circuit |
| 10/10/2007 | CN200959669Y Triple voice-coil integrated loundspeaker and amplifying and controlling circuit |
| 10/10/2007 | CN200959668Y Two-way loundspeaker with pickup-free handphone for small telephone and amplifying and controlling circuit |
| 10/10/2007 | CN200959667Y Loundspeaker with pickup-free handphone for mobile acoustic equipment and amplifying and controlling circuit |
| 10/10/2007 | CN200959666Y Double magnetic-pole and voice-coil loundspeaker for cellphone and amplifying and controlling circuit |
| 10/10/2007 | CN200959665Y Double-magnetic loundspeaker with pickup-free handphone for mobile acoustic equipment and amplifying and controlling circuit |
| 10/10/2007 | CN200959664Y Double magnetic-pole and voice-coil loundspeaker for wireless telcommunication equipment and amplifying and controlling circuit |
| 10/10/2007 | CN200959663Y Efficient loundspeaker with electric-energy converting into acoustic-energy for mobile telecommunication equipment and amplifying and controlling circuit |
| 10/10/2007 | CN200959662Y Hollow magnetic-core loundspeaker of internal magnetic pole and voice coil and power-driven controlling circuit |
| 10/10/2007 | CN200959661Y Double-winding and coiling cocurrent moving-coiling loundspeaker and amplifying and controlling circuit |
| 10/10/2007 | CN200959660Y Laminated winding loundspeaker of voice coil internal wall fixed with baseboard and amplifying controlling circuit |
| 10/10/2007 | CN200959659Y Impedance and power variable loundspeaker and its amplifying and controlling circuit |
| 10/03/2007 | CN101048935A Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 09/19/2007 | EP1835487A2 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal |
| 09/04/2007 | US7266205 Linearized filter band equipment and processes |
| 08/28/2007 | US7263431 Analog input signal processing circuit |
| 08/23/2007 | US20070195975 Meters for dynamics processing of audio signals |
| 08/22/2007 | EP1629463B1 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal |
| 08/22/2007 | CN101022269A Audio frequency control method and system |
| 08/21/2007 | US7260209 Methods and apparatus for improving voice quality in an environment with noise |