| Patents for H03G 7 - Volume compression or expansion in amplifiers (2,243) |
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| 01/22/2009 | WO2009012106A1 System and method for the attenuation of electrical noise |
| 01/22/2009 | CA2695003A1 System and method for attenuation of electrical noise |
| 01/21/2009 | EP2018051A2 Signal processing apparatus for applying AVC to delayed signals and a method thereof |
| 01/14/2009 | EP2015452A2 Digital signal processing |
| 01/07/2009 | EP2011234A1 Audio gain control using specific-loudness-based auditory event detection |
| 01/07/2009 | EP1709733A4 Improved power supply rejection for pulse width modulated amplifiers and automatic gain control |
| 12/31/2008 | EP2009786A1 Feedback limiter with adaptive control of time constants |
| 12/31/2008 | EP2009785A2 Method and apparatus for providing end user adjustment capability that accommodates hearing impaired and non-hearing impaired listener preferences |
| 12/31/2008 | CN100448168C A gmc filter and method for suppressing unwanted signals introduced by the filter |
| 12/25/2008 | CA2635154A1 Feedback limiter with adaptive time control |
| 12/23/2008 | US7468632 Power supply rejection for pulse width modulated amplifiers and automatic gain control |
| 12/18/2008 | US20080310652 Device and Method for Audio Signal Gain Control |
| 12/04/2008 | DE19963648B4 Übersteuerungsschutz in einer Signalverarbeitungseinheit Overload protection in a signal processing unit |
| 12/03/2008 | EP0581835B3 Circuit for controllable amplifier |
| 12/02/2008 | US7460674 Audio effector circuit |
| 11/27/2008 | US20080292115 Apparatus and method for adjusting sound volume |
| 11/26/2008 | CN100438333C Gain linearizer for variable gain amplifiers |
| 11/25/2008 | US7457424 Electronic volume device and remote controller thereof |
| 11/25/2008 | US7457422 Method and implementation for detecting and characterizing audible transients in noise |
| 11/05/2008 | EP1987586A1 Hierarchical control path with constraints for audio dynamics processing |
| 10/22/2008 | EP1175745B1 Controlling the peak levels of the fm composite signal by half-cosine interpolation |
| 10/21/2008 | US7440577 Methods and apparatus for automatic mixing of audio signals |
| 10/14/2008 | US7436967 Apparatus and method of limiting power applied to a loudspeaker |
| 10/14/2008 | US7436918 Output stage synchronization |
| 10/02/2008 | US20080240259 Gain control method and apparatus |
| 10/01/2008 | EP1532734A4 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 09/30/2008 | US7430296 Circuit arrangement for reducing the dynamic range of audio signals |
| 09/24/2008 | EP1779509A4 System for and method of audio signal processing for presentation in a high-noise environment |
| 09/04/2008 | WO2007112424A3 Audio limiting device for headphones |
| 09/04/2008 | US20080212799 Audio compressor with feedback |
| 08/19/2008 | US7415119 Method for hierarchical audio conflict control |
| 08/19/2008 | US7414388 Gain and phase detector having dual logarithmic amplifiers |
| 08/12/2008 | US7412213 Envelope limiting for polar modulators |
| 08/05/2008 | US7409066 Method of adjusting filter parameters and an associated playback system |
| 07/29/2008 | US7406178 Efficient digital audio automatic gain control |
| 07/24/2008 | WO2008067439A3 Improved frequency resolution using compression |
| 07/23/2008 | EP1366566B1 Gain linearizer for variable gain amplifiers |
| 07/22/2008 | US7403627 Audio downmix apparatus with dynamic-range control and method for the same |
| 07/22/2008 | US7403626 Level adjustment apparatus |
| 07/17/2008 | WO2008051347A3 Audio dynamics processing using a reset |
| 07/08/2008 | US7398207 Methods and systems for determining audio loudness levels in programming |
| 07/02/2008 | EP1940053A1 Gain control method and apparatus |
| 07/02/2008 | CN101212310A Audio data inflexion system |
| 06/26/2008 | DE102004016184B4 Verfahren zur Vermeidung von Hörschäden und Gehörschutzeinrichtung A method for avoiding hearing loss and hearing protection device |
| 06/25/2008 | CN101208742A Adapted audio response |
| 06/24/2008 | US7391875 Peak-limiting mixer for multiple audio tracks |
| 06/24/2008 | US7391814 Gain control method and apparatus |
| 06/18/2008 | EP1346475B1 Controllable set of current sources |
| 06/05/2008 | WO2008021110A3 Audio-peak limiting in slow and fast stages |
| 05/29/2008 | WO2000048168A3 Adaptive noise filter |
| 05/29/2008 | US20080123873 Digital Compensation of Analog Volume Control Gain in a Digital Audio Amplifier |
| 05/27/2008 | US7379510 OC192 peak detect circuit having low parasitics, high dynamic range and high sensitivity |
| 05/21/2008 | EP1923994A1 Audio compressor |
| 05/21/2008 | EP1922820A1 Apparatus and method for removing ambient noise and mobile communication terminal equipped with the apparatus |
| 05/21/2008 | EP1606875B1 Systems and methods for protection of audio amplifier circuits |
| 05/21/2008 | EP1523805B1 Circuit arrangement for reducing the dynamic range of audio signals |
| 05/21/2008 | CN101185240A Device and method for audio signal gain control |
| 05/21/2008 | CN101183859A Audio compressor |
| 05/15/2008 | WO2008057173A1 Hierarchical control path with constraints for audio dynamics processing |
| 05/15/2008 | US20080112576 Processing of an audio signal for presentation in a high noise environment |
| 05/06/2008 | US7369906 Digital audio signal processing |
| 05/06/2008 | US7368981 Limit circuit |
| 05/02/2008 | WO2008051347A2 Audio dynamics processing using a reset |
| 05/02/2008 | WO2008050171A1 Automatic gain control circuit, system including such circuit and method for atuomatic gain control |
| 05/02/2008 | CA2667164A1 Automatic gain control circuit, system including such circuit and method for atuomatic gain control |
| 05/02/2008 | CA2665153A1 Audio dynamics processing using a reset |
| 04/24/2008 | US20080095385 Method of and System for Automatically Adjusting the Loudness of an Audio Signal |
| 04/23/2008 | EP1913690A1 Electronic appliance for triggering audio signals as well as corresponding computer programme and corresponding computer-readable storage medium |
| 04/23/2008 | CN100384237C Volume adjustment set and method |
| 04/22/2008 | US7363096 Digital audio signal filtering mechanism and method |
| 04/22/2008 | US7362872 Method for noise reduction of a FM signal |
| 04/16/2008 | EP1348255B1 Circuit arrangement |
| 04/09/2008 | CN101160616A Audio metadata verification |
| 04/02/2008 | EP1668776A4 Audio pre-amp and mid-band compressor circuit |
| 03/20/2008 | US20080069385 Amplifier and Method of Amplification |
| 03/13/2008 | WO2008014017A3 Method and apparatus for normalizing sound playback loudness |
| 03/11/2008 | US7343019 Streaming normalization |
| 03/06/2008 | WO2008027077A1 Volume control circuits for use in electronic devices and related methods and electronic devices |
| 03/06/2008 | US20080056504 Dynamic Range Control Of An Audio Signal And Method Of Its Operation |
| 03/05/2008 | CN101138152A Speech output control device and recording medium recorded with speech output control programs |
| 03/04/2008 | US7340069 System and method for split automatic gain control |
| 02/27/2008 | EP1512237B1 Method and system for all digital gain control |
| 02/21/2008 | US20080044039 Audio signal processing method and related device |
| 02/20/2008 | EP1889258A1 Adapted audio response |
| 02/12/2008 | US7330554 Volume control apparatus and method thereof |
| 01/31/2008 | WO2008014017A2 Method and apparatus for normalizing sound playback loudness |
| 01/31/2008 | WO2008013488A1 A method of limiting the maximum permitted sound volume in an earphone, and an earphone for carrying out the method |
| 01/31/2008 | US20080025530 Method and apparatus for normalizing sound playback loudness |
| 01/29/2008 | US7324651 Feedback suppression |
| 01/23/2008 | EP1881601A1 Automatic gain control circuit |
| 01/22/2008 | USRE40020 Impedance blocking filter circuit |
| 01/22/2008 | US7321912 Device with dB-to-linear gain conversion |
| 01/16/2008 | EP1879296A2 Peak suppression control apparatus |
| 01/15/2008 | US7319761 Method and apparatus for locating and correcting sound overload |
| 12/26/2007 | EP1869765A1 Compander system |
| 12/26/2007 | CN100358393C Method and apparatus to direct sound |
| 12/12/2007 | EP1865598A2 Input-gain control apparatus and method |
| 12/12/2007 | EP1609241B1 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility |
| 11/28/2007 | EP1860772A2 Automatic input-gain control circuit and method thereof |
| 11/27/2007 | US7302241 Wireless receiver without AGC |