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| Application No. | Application Title | Issue Date |
| 20110249820 | AUDIO SPATIAL EFFECT ENHANCEMENT The disclosed subject matter relates to an architecture that can facilitate generation of enhanced spatial effects for stereo audio systems. Such can be accomplished by integrating on top ambience signal boosting employed in conventional systems. In particular, the ambi... | 10/13/2011 |
| 20110038485 | NONLINEAR FILTER FOR SEPARATION OF CENTER SOUNDS IN STEREOPHONIC AUDIO In accordance with some embodiments of the present invention there is provided a system, a method and a circuit for processing a stereo audio signal. According to some embodiments, the system for processing a stereo audio signal may include an audio processing circuit. ... | 02/17/2011 |
| 20100290630 | CENTER CHANNEL RENDERING An audio system including a rendering processor for separately rendering a dialogue channel and a center music channel. The audio system may include circuitry for extracting one or both of the dialogue channel or the center music channel from program material that does ... | 11/18/2010 |
| 20100272269 | CENTER CHANNEL POSITIONING APPARATUS A center channel positioning apparatus is provided, which does not cause strange feeling in sound quality even at a position apart from an original listener position. A sound signal processing unit (40) changes a phase of at least on... | 10/28/2010 |
| 20090304189 | Rendering Center Channel Audio An audio upmixer, such as a two-channel to three-channel upmixer, employs a difference in a measure of sound at the ears of a listener in accordance with first and second models, one based on a reproduction of the original channels and the other based on a reproduction ... | 12/10/2009 |
| 20090136048 | APPARATUS AND METHOD FOR REPRODUCING SURROUND WAVE FIELD USING WAVE FIELD SYNTHESIS Provided are an apparatus and a method for reproducing a surround wave field using wave field synthesis. The apparatus includes an audio signal analyzer for analyzing a received multi-channel audio signal to check the number of audio signal channels, and extracting a so... | 05/28/2009 |
| 20090086984 | Method and Apparatus for Reducing Noise in an Audio Signal A technique for reducing inherent noise in a real time digital audio wireless system. The technique allows for low power stereo analog to digital and digital to analog converters to be used in a battery operated real time digital audio wireless applications. The audio s... | 04/02/2009 |
| 20090022328 | METHOD AND APPARATUS FOR GENERATING A STEREO SIGNAL WITH ENHANCED PERCEPTUAL QUALITY A stereo signal with enhanced perceptual quality using a mid-signal and a side-signal, can be generated, when a enhanced side signal is created prior to the upmix of the stereo signal. A decorrelated representation of at least a portion of the sum signal and/or a decorr... | 01/22/2009 |
| 20080298597 | Spatial Sound Zooming Aspects of the invention provide methods, computer-readable media, and apparatuses for digital processing of acoustic signals to create a reproduction of a natural or an artificial spatial sound environment. An aspect of the invention supports spatial audio processing s... | 12/04/2008 |
| 20080298612 | Audio Signal Processing An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and proces... | 12/04/2008 |
| 20080247555 | Stream segregation for stereo signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; classifying portions of the signals having similar panning coefficients; segregating a selected one of the classified po... | 10/09/2008 |
| 20080212786 | METHOD AND APPARATUS TO REPRODUCE MULTI-CHANNEL AUDIO SIGNAL IN MULTI-CHANNEL SPEAKER SYSTEM A method and an apparatus to reproduce a multi-channel audio signal, in which mixing of a center channel signal is performed with a center channel signal in a home theater system. The method of reproducing a multi-channel audio signal includes calculating a delay value ... | 09/04/2008 |
| 20080165286 | Controller and User Interface for Dialogue Enhancement Techniques A plural-channel audio signal (e.g., a stereo audio) is processed to modify a gain (e.g., a volume level or loudness) of an estimated dialogue signal (e.g., dialogue spoken by actors in a movie) relative to other signals (e.g., reflected or reverberated sound). In some ... | 07/10/2008 |
| 20080152155 | Stream segregation for stereo signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; classifying portions of the signals having similar panning coefficients; segregating a selected one of the classified po... | 06/26/2008 |
| 20080101617 | Two-Channel to Three-Channel Audio Converter A two-channel to three-channel audio converter that separates the lower frequency output signals from one of the left channel and the right channel is provided. Respective filters are used to separate the lower frequency outputs and the middle to high frequency outputs ... | 05/01/2008 |
| 20080101618 | Two-Channel to Three-Channel Audio Converter A two-channel to three-channel audio converter that separates the lower frequency output signals from one of the left channel and the right channel is provided. Respective filters are used to separate the lower frequency outputs and the middle to high frequency outputs ... | 05/01/2008 |
| 20070147623 | Apparatus to generate multi-channel audio signals and method thereof An apparatus and method of generating multi-channel audio signals includes a voice signal removal unit to generate a first signal by removing one or more components of a plurality of frequency bands corresponding to a voice frequency range from an input signal, a voice ... | 06/28/2007 |
| 20070140500 | Apparatus and method for synthesizing three output channels using two input channels For synthesizing at least three output channels using two stereo input channels, the stereo input channels are analyzed to detect signal components occurring in both input channels. A signal generator is operative to introduce at least a part of the detected signal comp... | 06/21/2007 |
| 20070133812 | Sound processing unit, sound processing system, audio output unit and display device The present invention identifies practical speaker connection using a device having a sound channel of a 5.1 channel or 7.1 channel, and provides the device that can easily reproduce the optimum multiple channels. The present invention can identify actual speaker arrang... | 06/14/2007 |
| 20070076894 | Audio control system To propose an audio control system in that even if it has a thin center speaker, low sounds can be felt to be heard from the center speaker. A low frequency signal in a center channel audio signal is delayed, and then the delayed signal is added to a right and a left ch... | 04/05/2007 |
| 20060262937 | Audio reproducing apparatus An audio reproducing apparatus for reproducing audio signals of two or more channels including at least a left-channel audio signal and a right-channel audio signal, including: a mixing section, first to fourth delay sections for delaying an audio signal by a predetermi... | 11/23/2006 |
| 20060222182 | Speaker system and sound signal reproduction apparatus A plurality of speakers are installed at different positions in space and, of multichannel signals, only a center signal component is output from a speaker(s) mounted in at least one seat located within the space. The center signal component is output not only from the ... | 10/05/2006 |
| 20060050890 | Method and apparatus for producing a phantom three-dimensional sound space with recorded sound A central speaker and personal headset speakers are used to create a three-dimensional phantom sound space for each listener. The speakers of the headset are located in close proximity to, but do not isolate, the ears of the listener such that external sounds are allowe... | 03/09/2006 |
| 20060013406 | Method and apparatus for creating a virtual third channel in a two-channel amplifier A method and apparatus for creating a third signal channel from an input signal received in each of a first and second channel involves inverting a predetermined frequency range of signals in the first channel out of phase with a corresponding frequency range of signals... | 01/19/2006 |
| 20050180577 | Loudspeaker array system The invention is a multi-channel loudspeaker system that provides a compact loudspeaker configuration and filter design methodology that operates in the digital signal processing domain. Further, the loudspeaker system can be designed to include drivers of various physi... | 08/18/2005 |
| 20050175197 | Audio reproduction system and method for reproducing an audio signal An audio reproduction system is divided into a central wave-field synthesis module and a plurality of loudspeaker modules disposed in a distributed way, wherein synthesis signals for the individual loudspeakers as well as corresponding channel information associated to ... | 08/11/2005 |
| 20050089181 | MULTI-CHANNEL AUDIO SURROUND SOUND FROM FRONT LOCATED LOUDSPEAKERS A surround sound reproduction system uses a series of filters and a system of main and sub-speakers to produce phantom rear surround sound channels or a phantom surround sound effect from a loudspeaker system or pair of loudspeaker systems located in front of the listen... | 04/28/2005 |
