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| Application No. | Application Title | Issue Date |
| 20120128164 | BINAURAL NOISE REDUCTION In one embodiment, the present invention provides a sound processing device with a binaural input and binaural output, where “binaural input” means at least one microphone mounted in or near each ear of the device user, and “binaural output” means at least one o... | 05/24/2012 |
| 20120106745 | AUDIO PROCESSING SYSTEM The audio processing system disclosed in the invention comprises an audio processor and an audio amplifier. The audio processor receives a data signal to generate a processed signal, and comprises at least one gain control circuit and at least one operational amplifier.... | 05/03/2012 |
| 20120020483 | SYSTEM AND METHOD FOR ROBUST AUDIO SPATIALIZATION USING FREQUENCY SEPARATION Systems and devices for, and methods of, frequency separation and spatialization of audio content, by: (a) filtering a stream content; (b) transmitting the filtered stream content via a plurality of speaker channels, wherein at least one of the speaker channels of the p... | 01/26/2012 |
| 20110305346 | Adaptive Audio Output Devices, apparatus, methods, circuits and processors are implemented for control of audio signals. Consistent with one such apparatus, a processor circuit is configured and arranged to determine, for a perceived loudness algorithm that outputs audio signal levels, a com... | 12/15/2011 |
| 20110293101 | M-BRIDGE CLASS-D AUDIO AMPLIFIER A M-bridge class-D audio amplifier for portable applications and a method of driving a three-wire audio output device comprises a stereo signal source producing first and second input stereo digital signals; circuitry adapted to receive the first and second input stereo... | 12/01/2011 |
| 20110293100 | AUDIO AMPLIFIER PERFORMANCE WHILE MAINTAINING USB COMPLIANCE AND POWER DOWN PROTECTION An apparatus comprises a first audio amplifier circuit configured to provide an analog audio signal and an analog switch circuit including a first input configured to receive the analog audio signal, a second input configured to receive a first digital data signal, and ... | 12/01/2011 |
| 20110280407 | Compressor Based Dynamic Bass Enhancement with EQ A system for and method of enhancing the low frequency response of a loudspeaker for relatively low input level audio signals and protect the loudspeaker for relatively high input level audio signals is disclosed. The system comprises: a crossover network configured so ... | 11/17/2011 |
| 20110255698 | PROGRAMMABLE NOISE GATE FOR AUDIO AMPLIFIER EMPLOYING A COMBINATION OF LOW-NOISE AND NOISE-REJECTING ANALOG AND DIGITAL SIGNAL PROCESSING An apparatus comprises a first signal circuit path, a noise gate circuit, and a control circuit. The first signal circuit path processes a first electrical signal that includes one or more signal frequencies in the audio frequency band. The first signal circuit path inc... | 10/20/2011 |
| 20110123033 | SURGE PROTECTION CIRCUIT FOR AUDIO OUTPUT DEVICE A surge protection circuit acquires a surge signal of a left channel (LC) signal line and a right channel (RC) signal line. After the surge signal transmitting on the LC signal line and the RC signal line are removed, an audio signal outputted from a signal input device... | 05/26/2011 |
| 20100296657 | APPARATUS FOR SOUND HAVING MULTIPLES STEREO IMAGING The present invention relates to an apparatus for sound comprises a sound source generating unit for generating an electric signal from a sound source; N (N≧2) amplifiers which are connected with the sound source generating unit; and 2N speakers which are respectively... | 11/25/2010 |
| 20100158259 | DYNAMIC VOLUME CONTROL AND MULTI-SPATIAL PROCESSING PROTECTION A disclosed system and method dynamically controls the perceived volume of a stereo audio program including left and right channel signals. The system comprises: a dynamic volume control configured and arranged so as to maintain a perceived constant volume level of the ... | 06/24/2010 |
| 20100150357 | AMPLIFIER CIRCUIT AND METHOD OF SIGNAL AMPLIFICATION An amplifier circuit and a method of signal amplification are provided. The amplifier circuit includes a first amplifier and a charge pump. The first amplifier includes a first terminal, a second terminal, and a third terminal. The first terminal is coupled to a first e... | 06/17/2010 |
| 20100124334 | AMPLIFICATION CIRCUIT AND AUDIO OUTPUT EQUIPMENT An amplification circuit and an audio output equipment provided with same are disclosed. The amplification circuit is provided with first, second and third amplifiers and an inverter. The first amplifier amplifies a first audio signal and outputs a first output signal. ... | 05/20/2010 |
| 20100119073 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL Disclosed is a method of processing an audio signal, including obtaining ratio information between a main signal and a sub-signal and gain range information of an object and modifying parameter information including at least one of an object parameter and a control para... | 05/13/2010 |
| 20100098275 | SYSTEM AND METHOD FOR GENERATING SOUND EVENTS A system and method for recording and reproducing three-dimensional sound events using a discretized, integrated macro-micro sound volume for reproducing a 3D acoustical matrix that reproduces sound including natural propagation and reverberation. The system and method ... | 04/22/2010 |
| 20100054485 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL A method for processing an audio signal is disclosed. The present invention includes obtaining a plural-channel audio signal including a speech component signal and other component signals, obtaining gain of the audio signal, obtaining modification strength parameter de... | 03/04/2010 |
| 20100027799 | ASYMMETRICAL DELAY AUDIO CROSSTALK CANCELLATION SYSTEMS, METHODS AND ELECTRONIC DEVICES INCLUDING THE SAME Crosstalk cancellation systems for left and right channel stereo audio signals that are played over left and right stereo loudspeakers include circuitry that is configured to apply more crosstalk cancellation delay to a difference signal between the left and right stere... | 02/04/2010 |
| 20090285404 | ACOUSTIC CALIBRATION SOUND SYSTEM An acoustic calibration sound system includes a coordinate position detecting device and a host. The coordinate position detecting device is used for detecting a position of a listener in a space plane and issuing a corresponding position signal. The host outputs an aud... | 11/19/2009 |
| 20090175458 | Subwoofer docking station A subwoofer stereo system with a docking base for docking a portable digital media player comprises a generally hexahedron cabinet made of a panel material for encasing at least an electronic media processing unit and an amplifier for driving stereo speakers. The dockin... | 07/09/2009 |
| 20090116654 | ON-THE-FLY INTRODUCTION OF INTER-CHANNEL DELAY IN A PULSE-WIDTH-MODULATION AMPLIFIER A multiple-channel audio processor (10) and an associated plurality of power stages (22) in an audio system are disclosed. The audio processor (10) includes a plurality of audio amplifier channels (22), each of which includes a pulse-code-mod... | 05/07/2009 |
| 20090016539 | A/V AMPLIFIER AND METHOD FOR DRIVING THE SAME For achieving an audio reproduction with high sound quality, in a multi-channel A/V amplifier, front speakers are driven with a parallel-drive bi-amplifier arrangement upon stereo reproduction. In the case of the multi-channel reproduction mode, the switching circuit al... | 01/15/2009 |
| 20080192958 | Audio System An audio system 10 has a plurality of audio sources 12a-12c for outputting audio signals different from each other. A coefficient device 15d adjusts the gain of the audio signal output from one of the audio sources. A non... | 08/14/2008 |
| 20080159546 | Dynamic Surround Channel Volume Control A dynamic surround channel volume control applies a variable gain control to the surround channels of a multi-channel system. Thus the levels of the surround channels are related to the main volume control of the system. This maintains a predictable relationship between... | 07/03/2008 |
| 20080144865 | M-BRIDGE CLASS-D AUDIO AMPLIFIER A M-bridge class-D audio amplifier for portable applications and a method of driving a three-wire audio output device comprises a stereo signal source producing a first and second input stereo digital signal; circuitry adapted to receive the first and second input stere... | 06/19/2008 |
| 20080118092 | Speaker System of utilizing Pulse Width Modulation Signals for Saving Idling Power Consumption In a speaker system, pulse width modulation signals are utilized for driving said speaker system, and duty cycles of both left audio channel signals and right audio channel signals of an earphone in said speaker system are modulated by said pulse width modulation signal... | 05/22/2008 |
| 20080107277 | Classroom sound amplification system This invention relates to a wireless classroom sound amplification system. The system comprises a microphone device converting a voice to a sound signal and connecting to a sound processing device processing the sound signal and generating a processed sound signal, and ... | 05/08/2008 |
| 20080080730 | Electronic Device and Speaker Control Method According to one embodiment, an electronic device includes a built-in speaker unit, a first amplifier which drives the built-in speaker unit, a first output circuit which outputs, to the first amplifier, an audio signal in a first frequency range, a second amplifier whi... | 04/03/2008 |
| 20080063224 | Sound System To conclude, in a preferred embodiment in accordance with the invention, the sound system comprises two loudspeakers (LA, LB) which mask their spectral signatures at the ear (C1) of the listener by positioning the two loudspeakers (LA, LB) such that their maxima ... | 03/13/2008 |
| 20080025520 | Volume controlling technique A gain switching unit receives each of plural gain control data at a different timing, and repeats that process until a switching instruction data is received. Upon receipt of the switching instruction data, the gain switching unit, based on the plural gain control data... | 01/31/2008 |
| 20070160220 | Electronic bass instrument tube preamplifier Electronic bass register musical instrument tube preamplifier. An in line signal preamplification device which richens the tone of electronically amplified bass register musical instruments. The unit is connected in the signal path between the instrument and the amplifi... | 07/12/2007 |
| 20050190926 | Wave reduction sampling method of signal output The present invention discloses a wave reduction sampling method of signal output. The method includes smoothing the original digital signal at a host terminal to rebuild a simulating signal, and sampling the simulating signal with a sampling rate to obtain a reductive ... | 09/01/2005 |
| 20050096762 | TECHNIQUES FOR IMPROVING AUDIO CLARITY AND INTELLIGIBILITY AT REDUCED BIT RATES OVER A DIGITAL NETWORK Abstract of the Disclosure In accordance with an embodiment of the present invention, a dynamics processor includes a non-linear automatic gain control (AGC) responsive to an input audio signal comprised of a plurality of frequency componen... | 05/05/2005 |
