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7561701 |
Method and apparatus for identifying the direction of incidence of an incoming audio signal
To determine the direction of incidence for a signal from an acoustic signal source using a directional microphone system, which has at least two microphones, two or more directional microphone...
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7386133 |
System for determining the position of a sound source
A method and system for determining the position of a sound source in relation to a reference position, comprising the steps of generating a sound signal emitted from the sound source, detecting...
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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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7224992 |
Four pole stereo headset with push to talk capability in a duplex radio
A stereo headset ( 104 ) with push-to-talk function can be interfaced with a wireless communication device ( 102 ) via a connector interface. The connector interface preferably includes a jack at...
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7149315 |
Microphone array for preserving soundfield perceptual cues
A sound-capturing arrangement uses a set of directional microphones that lie approximately on a sphere having a diameter of 0.9 ms sound travel, which approximates the inter-aural time delay....
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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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7085387 |
Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and...
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7065219 |
Acoustic apparatus and headphone
A headphone section 10 having microphone elements 14 L, 14 R for detecting a sound around the user and signal acoustic transducing elements 15 L, 15 R which function as a sound source for...
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7012630 |
Spatial sound conference system and apparatus
The spatial sound conference system enables participants in a teleconference to distinguish between speakers even during periods of interruption and overtalk, identify speakers based on spatial...
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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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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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6954538 |
Remote control apparatus and a receiver and an audio system
In regard to an audio system using a plurality of speakers, various settings, adjustment and compensation of a receiver are enabled. A remote control apparatus which can operate and adjust a...
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6851512 |
Modular microphone array for surround sound recording
A modular multiple microphone array method and mounting system that facilitates surround sound multichannel recording. Array configuration allows accurate and repeatable configurations suited to...
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6819939 |
Cellular phone with high-quality sound reproduction capability
In a cellular phone, stereophonic sound reproduction of music etc. is realized by using a microphone and a speaker of the cellular phone as stereophonic speakers. By the stereophonic sound...
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6782104 |
Method and device intended for the picking up of sounds, for their recording and their play-back, and reproducing the natural sensation of a sound space
Method intended for the picking up of sounds coming from at least one sound source, for the recording of said sounds and their play-back, by means of a sound pick-up assembly, a recording medium...
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6748208 |
Method of transmission for radio monitoring via digital mobile communication network and apparatus therefor
In a method of transmission for radio monitoring via digital mobile communication network, a digital cellular mobile phone with keypad, display and buzzer removed therefrom is used as an apparatus...
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6741713 |
Directional hearing device
A hearing device comprising at least two microphones, a processor and an output for further processing in a reproducer, the microphones being electrically coupled to the processor, and the output...
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6731759 |
Audio signal reproduction device
An acoustic signal reproduction device includes a reproduction speaker and a signal processing section for generating an acoustic signal for causing a listener to recognize a reference speaker. The...
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6714653 |
Sound capturing method and device
A sound capturing method and device for use in making recordings having improved three-dimensional imagery during playback. Vibration information is detected from a body portion through the use of...
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6711268 |
Automatic stereo/monaural headphone
A stereo headphone employing a standard stereo headphone plug is adapted for automatically hearing a monaural signal at both earpieces, when accessing a typical monaural source. In the first...
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RE38350 |
Global sound microphone system
A microphone system includes a portable frame for mounting linear pick-up microphones such that each of the microphones has its diaphragm facing outwards from the frame and the diaphragms form a...
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6608903 |
Sound field reproducing method and apparatus for the same
A space surrounding a sound source (S) which is set in a sound field ( 10 ) to be reproduced is divided into sound source element regions (S 1 to Sn), and a space surrounding a sound receiving...
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6584203 |
Second-order adaptive differential microphone array
A second-order adaptive differential microphone array (ADMA) has two first-order elements (e.g., 802 and 804 of FIG. 8), each configured to convert a received audio signal into an electrical...
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6580929 |
Mobile phone charger also functioning as a remote sound monitoring device
A mobile phone charger also functioning as a remote sound monitoring device is provided. The charger internally includes a high-sensitive microphone, a DTMF decoder, and a central processing unit...
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6507659 |
Microphone apparatus for producing signals for surround reproduction
A microphone apparatus or assembly includes three or more microphone elements supported on a horizontal plane or planes, which microphones are physically arranged and electrically combined such...
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6430293 |
Recording and play-back two-channel system for providing a holophonic reproduction of sounds
A two-channel sound recording and play-back system for providing a holophonic reproduction or play-back of sounds is herein disclosed. The two-channel recording system comprises cables and...
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6366679 |
Multi-channel sound transmission method
A method wherein an auralization is performed, in that a plurality of spatial pulse responses are incited from various locations in the same room, and are received via a multi-channel receiving...
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6028946 |
Microphone with associated amplifier
The problem addressed by the invention, to develop a microphone with assoted amplifier which has a better dynamic response than analog microphones, requires less space, can replace analog...
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6009181 |
Method of controlling sound in computer monitor with sound processing functions
Method of controlling sound is performed in a computer monitor having sound processing function, and comprises the step of modifying a volume limit value, i.e., a maximum sound volume value...
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5982903 |
Method for construction of transfer function table for virtual sound localization, memory with the transfer function table recorded therein, and acoustic signal editing scheme using the transfer function table
In a method for constructing an acoustic transfer function table for virtual sound localization, acoustic transfer functions are measured at both ears for a large number of subjects for each sound...
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5949891 |
Filtering audio signals from a combined microphone/speaker earpiece
An audio processing system applies a filter to convert the audio signals generated by the microphone of a combined microphone/speaker earpiece into filtered audio signals, where the filter is...
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5883961 |
Sound system
A method of synthesizing a set of filters comprises locating first and second loudspeakers at first and second locations, respectively, coupling a first component of an audio program to the first...
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5835895 |
Infinite impulse response filter for 3D sound with tap delay line initialization
An audio processing system is used to process digital audio signals that represent sound emanating from a source that is moving through three dimensional space. The audio processing system has a...
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5822718 |
Device and method for performing diagnostics on a microphone
A device and method are disclosed which perform diagnostics on a microphone and display diagnostic information and instructions to a user. The invention uses a processor to create histograms of the...
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5812676 |
Near-field reproduction of binaurally encoded signals
A transportable sound reproduction system for transducing binaurally encoded signals with near-field reproduction including a support, a head locator attached to the support for positioning a...
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5764476 |
Portable electronic apparatus having a base a display and a microphone
A portable computer has a base unit, a first printed circuit board and a second circuit board. The base unit has a bottom wall and a connector panel which extends upward from a bottom wall. The...
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5757943 |
Movable boom mounting device
A microphone boom mounting device has two portions, a track portion and a truck portion which moves along the track. The truck portion has a boom mount suitable for mounting a microphone boom. The...
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5715319 |
Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
An end fire microphone array having reduced analog-to-digital converter requirements is disclosed. Analog filters are used to band-limit at least two secondary microphone elements which are spaced...
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5675655 |
Sound input apparatus
A sound input apparatus according to the present invention subtracts, from the output signal from a first microphone, the output signal of a second microphone which is arranged in a manner...
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5666425 |
Plural-channel sound processing
An artificial head (2) and a plurality of discrete monophonic microphones (8, 10, 12) are used to record one or more sound sources. The signals (14, 16, 18) from each of the microphones (8, 10, 12)...
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5633935 |
Stereo ultradirectional microphone apparatus
A stereo ultradirectional microphone apparatus for detecting a sound to produce stereo sound signals, comprises: first and second ultradirectional microphones arranged side by side with a given...
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5600727 |
Determination of position
An autocalibration system includes two loudspeakers (2, 4) spaced from three microphones (16, 18, 20). Acoustic transient pulses are emitted by each loudspeaker (2, 4) in turn and from the...
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5583942 |
Device of the dummy head type for recording sound
Disclosed is a device of the dummy head type for recording sound. It comprises a supporting body fitted with an anatomically faithful imitation of the human auricle. The auricle is coupled to a...
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5526430 |
Pressure gradient type microphone apparatus with acoustic terminals provided by acoustic passages
In a small-sized pressure gradient type microphone apparatus, a plurality of omni-directional microphone units are encased within a microphone holder. A plurality of acoustic passages having first...
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5521981 |
Sound positioner
This invention relates to the presentation of sound where it is desirable for the listener to perceive one or more sounds as coming from specified three-dimensional spatial locations. In...
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5404406 |
Method for controlling localization of sound image
A method for reproducing sounds from signals, which are supplied from a same sound source through a pair of localization filters by using a pair of transducers disposed apart from each other and...
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5386082 |
Method of detecting localization of acoustic image and acoustic image localizing system
A method of detecting localization of an acoustic image, in which an acoustic impulse is emitted from a sound source to a dummy of a human head, an acoustic sensor is provided to a portion of the...
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5361378 |
Camcorder stereo mic/phones
A small AM/FM audio player, operating as a radio, tape, cassette or disc machine can be adjusted to receive music or other audio programs. The received programs can be heard audibly through a...
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5325436 |
Method of signal processing for maintaining directional hearing with hearing aids
The insertion effects of hearing aids are determined and compensated to restore the ability to have directional hearing in individuals wearing hearing aids. In one aspect a method involves finding...
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5303304 |
Camcorder having loudspeaker function
A camcorder having a loudspeaker function has a recording device and includes an input device for receiving an external sound and converting it into a first electric signal and for receiving a...
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