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7623669 |
Simplified amplifier providing sharing of music with enhanced spatial presence through multiple headphone jacks
A personal listening device used in connection with the amplification of signals for enhancing the perceived quality and ambiance of sound heard by listener using stereo headphones or small speaker...
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7567682 |
Audio processing apparatus
An audio processing apparatus has converting means for converting n-channel (positive integral number: n≧1) audio signals input from at least one sound source into two-channel signals, a pair of...
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7561707 |
Hearing aid system
The user ( 2 ) of a binaural hearing aid or communication system ( 1 A, 1 B) is to be provided with an easier assignment or identification of acoustic signals generated in the system for keeping a...
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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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7539319 |
Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener
An apparatus for creating, utilizing a pair of oppositely opposed headphone speakers, the sensation of a sound source being spatially distant from the area between the pair of headphones, the...
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7536212 |
Communication system using short range radio communication headset
In a short range radio communication headset, signals transmitted by the short range radio communications are received while direct sounds propagated from an external are detected. Then, a digital...
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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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7485796 |
Apparatus and method for providing music file search function
An apparatus and a method for providing music file search function. The apparatus includes an input unit that receives an input of an attribute of a music file to be played, an extract unit that...
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7480386 |
Audio information transforming method, video/audio format, encoder, audio information transforming program, and audio information transforming device
The present invention provides an audio information transforming method, a program product, a device, an encoder, and an video/audio format utilized therein, which are capable of providing an 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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7454026 |
Audio image signal processing and reproduction method and apparatus with head angle detection
Input digital sound signals are subjected to filtering for convolution of respective impulse responses, and the resulting signals are supplied to time delay setting circuits. In each of the time...
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7447321 |
Sound processing system for configuration of audio signals in a vehicle
A sound processing system for a vehicle includes a sound processor that is configured to mix at least one real audio input signal to form at least one virtual output signal. At least one audio...
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7440578 |
Vehicle-mounted three dimensional sound field reproducing silencing unit
A vehicle-mounted three dimensional sound signal reproducing•silencing unit includes at least two speakers disposed for each of seats to be occupied by listeners so as to generate a three...
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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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7415123 |
Method and apparatus for producing spatialized audio signals
A method and apparatus for producing virtual sound sources that are externally perceived and positioned at any orientation in azimuth and elevation from a listener is described. In this system, a...
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7391877 |
Spatial processor for enhanced performance in multi-talker speech displays
Optimal head related transfer function spatial configurations designed to maximize speech intelligibility in multi-talker speech displays by spatially separating competing speech channels combined...
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7386140 |
Audio information transforming method, audio information transforming program, and audio information transforming device
The present invention provides an audio information transforming device, an audio information transforming method, and an audio information transforming program, which are capable changing a...
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7386139 |
Sound image control system
A sound image control system which is able to concurrently perform sound image localization control for two persons is provided. The sound image control system controls a sound image localization...
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7382886 |
Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These improvements are accomplished by...
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7382885 |
Multi-channel audio reproduction apparatus and method for loudspeaker sound reproduction using position adjustable virtual sound images
A multi-channel audio reproduction apparatus and method for loudspeaker reproduction using virtual sound images whose positions can be adjusted is provided. The multi-channel audio reproduction...
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7369668 |
Method and system for processing directed sound in an acoustic virtual environment
An acoustic virtual environment is processed in an electronic device. The acoustic virtual environment comprises at least one sound source ( 300 ). In order to model the manner in which the sound...
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7369667 |
Acoustic image localization signal processing device
An acoustic image localization signal processing device capable of localizing an acoustic image in an arbitrary direction includes: a sound source data storage unit that stores second sound source...
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7346172 |
Auditory alert systems with enhanced detectability
Methods and systems for distinguishing an auditory alert signal from a background of one or more non-alert signals. In a first embodiment, a prefix signal, associated with an existing alert signal,...
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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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7333622 |
Dynamic binaural sound capture and reproduction
A new approach to capturing and reproducing either live or recorded three-dimensional sound is described. Called MTB for “Motion-Tracked Binaural,” the method employs several microphones, a...
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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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7308325 |
Audio system
An audio system comprises an audio source terminal 11 and a audio playback terminal 13, connected to each another by a wireless data link 14. The source terminal 11 comprises a source...
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7298853 |
Parametric virtual speaker and surround-sound system
A system for generating at least one remote virtual speaker location in connection with at least a partial reflective environment ( 12, 12, 14 or 15 ) in combination with an audio speaker for...
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7266207 |
Audio user interface with selective audio field expansion
An audio user interface is provided in which items are represented in an audio field by corresponding synthesized sound sources from where sounds related to the items appear to emanate. The...
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7260231 |
Multi-channel audio panel
A method and apparatus for providing improved intelligibility of contemporaneously perceived audio signals. Differentiation cues are added to monaural audio signals to allow a listener to more...
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7231054 |
Method and apparatus for three-dimensional audio display
This invention addresses sound recording and mixing methods for 3-D audio rendering of multiple sound sources over headphones or loudspeaker playback systems. Economical techniques are provided,...
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7203327 |
Apparatus for and method of processing audio signal
A number (M) of sound source signals T 1 , T 2 , T 3 , T 4 , each having at least one information element of position information, movement information and localization information, are synthesized...
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7197151 |
Method of improving 3D sound reproduction
A method of improving 3D sound reproduction is described, in which virtual sound sources to be positioned behind a listener 10 are filtered using an HF-cut filter in order to remove distracting...
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7184557 |
Methods and apparatuses for recording and playing back audio signals
Methods and apparatus for recreating audio signals to sound as though the signals had been recorded in a different acoustic environment is provided. The methods and apparatus may include one or...
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7167567 |
Method of processing an audio signal
A method of processing a single channel audio signal to provide an audio source signal having left and right channels corresponding to a sound source at a given direction in space, includes...
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7162047 |
Audio reproducing apparatus
In an audio reproducing apparatus, first and second filters convolute impulse responses corresponding to transfer functions from a position where a right-hand sound source is located to the right...
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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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7133730 |
Audio apparatus, controller, audio system, and method of controlling audio apparatus
Control data is stored in a first memory. Control data inputted from an external device is stored a second rewritable memory. A control section selects either one of the first and second memories...
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7116789 |
Sonic landscape system
A system for providing a listener with an augmented audio reality in a geographical environment said system comprising a position locating system for determining a current position and orientation...
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7116788 |
Efficient head related transfer function filter generation
A method for generating a head related transfer function comprises downconverting each of a plurality of measured impulse responses from a first sampling frequency to a second sampling frequency...
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7113610 |
Virtual sound source positioning
Indicating a spatial location of a virtual sound source by determining an output for each of one or more physical speakers as a function of an orientation of corresponding virtual speakers that...
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7113602 |
Apparatus for adjustable positioning of virtual sound source
An acoustic apparatus comprises an attenuator for attenuating a first audio signal to produce a second audio signal, a low pass filter for reducing high frequency components of the second audio...
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7110800 |
Communication system using short range radio communication headset
In a short range radio communication headset, signals transmitted by the short range radio communications are received while direct sounds propagated from an external are detected. Then, a digital...
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7085393 |
Method and apparatus for regularizing measured HRTF for smooth 3D digital audio
The present invention provides an improved HRTF modeling technique for synthesizing HRTFs with varying degrees of smoothness and generalization. A plurality N of spatial characteristic function...
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7065222 |
Facilitation of clear presentation in audio user interface
An audio user interface is provided in which items are represented in an audio field by corresponding synthesized sound sources from where sounds related to the items appear to emanate. At least...
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7065218 |
Method of generating a left modified and a right modified audio signal for a stereo system
The invention relates to a method of generating a left modified and a right modified audio signal for a stereo system from multichannel audio signals (X L , X R , X LS , X RS , and X C ) with a...
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7035418 |
Method and apparatus for determining sound source
Provided in accordance with the invention are a sound source identifying apparatus and method whereby objects as sound sources can be determined as to their locations with higher accuracy by using...
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6990211 |
Audio system and method
The disclosed embodiments relates to orienting a sound field in relation to a user and a generated set of images. For instance, a system may include a sound subsystem, a location subsystem, and a...
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6975731 |
System for producing an artificial sound environment
A method for simulating an artificial sound environment including sending an ultrasound reference signal to a headphone assembly worn by a user having two ears, the headphone assembly audibly...
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