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7606380 |
Method and system for sound beam-forming using internal device speakers in conjunction with external speakers
A method and system for sound beam-forming using internal device speakers in conjunction with external speakers provides a low cost alternative to present external surround array systems. A...
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7577260 |
Method and apparatus to direct sound
The invention relates to sonic steerable antennae and their use to achieve a variety of effects. The invention comprises a method and apparatus for taking an input signal, replicating it a number...
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7567845 |
Ambience generation for stereo signals
Extracting an ambience signal from a plurality of audio signals includes transforming the signals into a short-time transform domain; computing an interchannel correlation measure in the short-time...
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7567675 |
System and method for automatic multiple listener room acoustic correction with low filter orders
A system and a method for correcting, simultaneously at multiple-listener positions, distortions introduced by the acoustical characteristics includes warping room responses, intelligently weighing...
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7558393 |
System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
A system and method of producing an output sound field that is representative of an input sound field compatible with both existing prior art sound reproduction systems, for example ITU 5.1/6.1,...
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7545946 |
Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges
A method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges provides a low cost alternative to present external surround array systems. The...
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7542815 |
Extraction of left/center/right information from two-channel stereo sources
A digital audio signal processing system and method transforms two-channel stereo time-domain data into the frequency domain. Vector operations are performed upon the frequency-domain data by which...
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7502477 |
Audio reproducing apparatus
A distributing circuit distributes audio signals of a predetermined number of channels to audio signals of a predetermined number of channels. A first signal processing circuit processes audio...
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7463740 |
Sound data processing apparatus for simulating acoustic space
A data processing apparatus is designed for simulating an acoustic characteristic of an acoustic space which contains a sound source for generating a sound and a sound receiving point for receiving...
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7457421 |
Circuit and program for processing multichannel audio signals and apparatus for reproducing same
A circuit for processing multichannel audio signals, comprises a frequency characteristics correction device and an output device. The frequency characteristics correction device corrects frequency...
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7454022 |
Multi-mode ambient soundstage system
A multi-mode sound reproduction device is disclosed including a direct radiation sound device, a diffuse radiation sound device and a selection device in signal communication with both the direct...
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7451093 |
Systems and methods of remotely enabling sound enhancement techniques
A system and method of remotely enabling sound enhancement techniques is disclosed. In an embodiment, a watermark is embedded in an encoded multi-channel audio stream to remotely enable an...
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7447629 |
Audio coding
A method of encoding a multi-channel audio signal including at least a first signal component (LF), a second signal component (LR) and a third signal component (RF). The method comprises the steps...
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7424121 |
Audio signal processing method and audio signal processing apparatus
An audio signal processing method that performs virtual acoustic image localization processing for sound source signals having at least one type of information among position information, movement...
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7412380 |
Ambience extraction and modification for enhancement and upmix of audio signals
Modifying an audio signal comprising a plurality of channel signals is disclosed. At least selected ones of the channel signals are transformed into a time-frequency domain. The at least selected...
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7412067 |
Acoustic apparatus and acoustic setting method
A setting up operation for connecting a number of speakers can be easily executed by a system in which setups and pattern numbers are stored in a memory. When the user operates an operation input...
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7369666 |
Audio reproducing system
High and low frequency components C n1 , C n2 are generated by causing a center channel audio signal Cn to pass through a high-pass filter HPF and a low-pass filter LPF, and the high frequency...
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7362874 |
Speaker system having a front speaker integrated with a reflection-type surround speaker
A surround speaker system according to the present invention includes an integral speaker in which a surround speaker is integrally formed with a front speaker, a canceling device for canceling a...
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7340062 |
Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids
A sound recording and reproduction system for testing hearing and hearing aids is disclosed. Recordings of sound are made in a real word acoustic environment, for example, which are stored as audio...
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7336792 |
Virtual acoustic image localization processing device, virtual acoustic image localization processing method, and recording media
An acoustic image localization processing device that can localize an acoustic image of reproduced sound in an arbitrary position according to the circumstances of reproduction. To accomplish this,...
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7330552 |
Multiple positional channels from a conventional stereo signal pair
A method and system accept left and right channel inputs of audio data and provide output audio data for at least three channels in a fashion that may effect a facsimile of the original soundstage...
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7327235 |
Alarm sound outputting device for vehicle and program thereof
In a vehicle alarm sound outputting device, in a filter coefficient generator, interpolation of filter coefficients is carried out in accordance with the relative position between a vehicle and an...
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7305097 |
Controlling fading and surround signal level
Systems and techniques for controlling a surround sound system having multiple input signals and multiple spatially diverse transducers may include defining a first control region and a second...
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7298852 |
Dynamic power sharing in a multi-channel sound system
A signal processing system for use in a multichannel audio system. The signal processing system includes a first channel having a first audio signal. A second channel is included that has at least...
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7254239 |
Sound system and method of sound reproduction
A sound reproduction system comprises a left and right speakers located in close proximity, and a sound processor which provides audio signals to the pair of speakers. The sound processor...
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7231053 |
Enhanced multi-channel audio surround sound from front located loudspeakers
In a loudspeaker system with main and sub-speakers, a modified and inverted left surround signal is added to the signals driving the right main speaker and a modified and inverted right surround...
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7212872 |
Discrete multichannel audio with a backward compatible mix
A multichannel audio format provides a truly discrete as well as a backward compatible mix for surround-sound, front or other discrete audio channels in cinema, home theater, or music environments....
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7206413 |
Sound processing system using spatial imaging techniques
A sound processing system reduces the instances when only a center speaker is heard. The gain of a volume setting is adjusted for individual speakers in response to one or more input signals. The...
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7177432 |
Sound processing system with degraded signal optimization
A sound processing system adaptively mixes active matrix decoding and passive matrix processing of incoming audio signals. Mixed output signals are generated with active matrix decoding where the...
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7177431 |
Dynamic decorrelator for audio signals
A system and method are described for rendering a left rear surround input signal at a left rear virtual speaker location and rendering a right rear surround input signal at a right rear virtual...
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7164768 |
Audio signal processing
A method for processing and transducing audio signals. An audio system has a first audio signal and a second audio signal that have amplitudes. A method for processing the audio signals includes...
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7149313 |
Audio signal processing
A method and apparatus for processing multi-channel audio signals in which the channels are processed by one of alternatively selectable processes to produce an alternatively selectable number of...
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7146018 |
Multichannel acoustic signal reproducing apparatus
A system reproducing surround phonic sound is simply constructed by a multichannel acoustic signal reproducing apparatus having at least a DVD reproducing section. A DVD, a CD, a radio or the like...
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7138576 |
Sound system and method for creating a sound event based on a modeled sound field
A sound system and method for modeling a sound field generated by a sound source and creating a sound event based on the modeled sound field is disclosed. The system and method captures a sound...
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7095865 |
Audio amplifier unit
Face of a listener (user) is photographed by a CCD camera, and a face width and auricle size of the listener are detected on the basis of the picture of the listener's face. Head-related transfer...
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7092542 |
Cinema audio processing system
In a multi viewer environment where multiple viewers simultaneously experience an audio-visual production, with the visual production occurring on a display surface, a method of increasing the...
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7076071 |
Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
A process for enhancing ambience in an audio signal output that is derived from an audio signal input in a dual channel audio ambience extraction circuit. The process includes cross-coupling of...
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7043027 |
System for detecting failures in a loudspeaker assembly
This invention is directed to a system and method for isolating a failure in a speaker system. This is accomplished by providing diagnostic processing circuitry, which directs specific test...
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7024259 |
System and method for evaluating the quality of multi-channel audio signals
A system for evaluating the quality of an audio test signal derived from an audio reference signal by coding and decoding, said audio test signal and said audio reference signal each comprising a...
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7024003 |
Wireless speaker system suitable for hard-wired audio system
A wireless speaker system used in conjunction with a hard-wired audio system is provided. The wireless speaker system includes a wireless transmitter module including an input connected to a wired...
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7013013 |
Surround device
There is provided a surround device which processes stereo signals decoded by a decoder of a multi-channel surround method comprises boost means which boosts middle and low frequency components of...
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7013012 |
Method for processing sound effects in a notebook computer
A method for processing sound effects in a notebook computer to support several sound effect modes. First, the method determines whether or not the pre-assigned sound effect mode is the stereo...
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7006645 |
Audio reproduction apparatus
A first selector switch outputs a second audio signal of m channel corresponding to a selected second zone to a power amplifier of the m channel and a second selector switch couples output of the...
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6996239 |
System for transitioning from stereo to simulated surround sound
This invention provides a system capable of transitioning from surround sound effect to stereo sound effect, and then to a monophonic sound effect using front speakers. A user may control the...
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6985594 |
Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment
An integrated individual listening device and decoder for receiving an audio signal including a decoder for decoding the audio signal by separating the audio signal into a voice signal and a...
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6980661 |
Method of and apparatus for producing apparent multidimensional sound
The production of multidirectional or instantaneous live virtual surround sound broadcasting is obtained by positioning a plurality of microphones on an oval frame in a predetermined pattern and...
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6956954 |
Surround-sound processing system
Surround-effect, providing no unnatural feeling to the listeners who sit next to each other under side-by-side basis through virtual sound sources, is realized. A surround left channel signal SL...
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6950524 |
Optimal source distribution
A sound reproduction system has pairs of sound emitters that subtend different angles Θ, the span angle, at the listener position. The pairs of sound emitters are arranged to be excited by...
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6817440 |
Multi-channel headphones
Multi-channel headphones capable of providing quality 3-dimensional (3-D) sound in an atmosphere of intimacy and privacy for individuals is provided. The multi-channel headphones ensure...
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6804361 |
Sound signal playback machine and method thereof
In a sound signal playback machine and method thereof, predetermined high frequency components are extracted from sound signals S L to S C of a main channel by high frequency pass filters 21 to...
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