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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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7603080 |
Multiple channel wireless communication system
A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control codes according to a predetermined...
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7590248 |
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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7571503 |
Headphone pillow
A headphone pillow includes a support portion. The support portion is flexible and has a first end and a second end. A first pillow portion has a first pillow ear portion connected to the first end...
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7567828 |
Look and tune mobile communication device
Systems and methods for a mobile communication device are disclosed. The system generally includes a housing such as a headset, a speaker, a microphone, and a wireless communication module. The...
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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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7555134 |
Antenna for miniature wireless devices and improved wireless earphones supported entirely by the ear canal
Wireless earphone systems provide earphones configured to be supported entirely by the ear canals of the wearer and to provide stereophonic reproduction of sound to the wearer based on a...
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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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7532732 |
Method and apparatus for VoIP telephony call announcement
A system and method for call announcement using a typical computing device permits a typical computing device, such as a PDA, to be used more effectively for telephony. In particular, a novel...
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7505601 |
Efficient spatial separation of speech signals
A computationally efficient method and device for adding spatial audio capabilities to new and existing centrally switched communication systems without modifying the internal operation of the...
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7502478 |
Stereo audio headset interface and method that is compatible with mono headsets
A stereo headset interface that is compatible with mono for an audio playback device. A load in series between an audio output from a stereo headset driver and a ground of a mono headset plug...
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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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7489792 |
Generation of a sound signal
In a method and a media system of/for generation of at least one output signal (H PL ,H PR ) from at least one input signal belonging to a second set of sound signals (M) having a related second...
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7466827 |
System and method for simulating audio communications using a computer network
A system and method for providing audio communications for a simulation system. A computer network has a server in data communication with client systems. The server receives audio from a...
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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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7460676 |
Headphone driving circuit
This invention may provide a headphone driving circuit needless of coupling condenser even if the power supply supplies a single output voltage. The headphone driving circuit comprises (1) a first...
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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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7451006 |
Sound processing system using distortion limiting techniques
A sound processing system reduces speaker distortion at high volume levels by attenuating the filter gain and/or tone of audio and mixed output signals. The sound processing system has one or more...
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7433479 |
Headphone apparatus
A headphone apparatus is presented so that a sound image of game sound outputted from an on-line game machine having a communication function is localized at one or more positions out of the head...
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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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7400496 |
Keyboard attachment assembly for a computer device
A keyboard attachment assembly for a computer device comprises a keyboard having a variably positionable connector and an adapter releasably couplable to the keyboard. The adapter comprises an...
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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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7391876 |
Method and system for simulating a 3D sound environment
The invention provides a method for simulating a 3D sound environment in an audio system using an at least two-channel reproduction device, the method including generating first and second pseudo...
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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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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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7340071 |
Headphones with a multichannel guiding mechanism
Headphones with a multichannel guiding mechanism having different channel speakers positioned within each of earphones and separate sound-guiding chambers for receiving the different channel...
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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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7289641 |
Multiple channel earphone
A multiple channel earphone is provided with an external tube disposed on the earphone main body. The earphone includes a case, a case extension unit, and a cover. A main sound field is formed in...
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7254238 |
Method and circuit for headset listening of an audio recording
The invention concerns a circuit for adapting the signals from different channels (L, R) delivered by an audio reproduction system ( 10 ) in conditions specific to headset listening. It comprises:...
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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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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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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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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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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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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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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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6990210 |
System for headphone-like rear channel speaker and the method of the same
A method of performing sound effect comprising providing a headphone-like or earphone-like device with rear speakers carried therein, wherein the headphone-like or earphone-like device includes an...
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6983054 |
Means for compensating rear sound effect
Means for compensating rear sound effect, comprising a headphone-like or an earphone-like device with rear speakers carried therein, the headphone-like or earphone-like device including an opening...
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6961433 |
Stereophonic sound field reproducing apparatus
In the stereophonic sound field reproducing apparatus for reproducing a stereophonic sound field, at the time of using, a signal processing unit ( 4 ) executes a process on signals to...
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6944309 |
Headphone system
A headphone system includes a headphone; and a signal processing circuit for outputting an acoustic signal to the headphone. The headphone includes a first speaker and a third speaker for a right...
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6931136 |
Infrared emitter
An infrared emitter comprises a preamplifier, an infrared RF emitter, an infrared channel controller and a photodiode emitting-medium. With the emitter, by switching between two channels with an...
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6920224 |
Deep bass sound booster device
A deep bass sound booster device comprises a high-pass filter to which an input sound signal is fed and which permits only a frequency component higher than a predetermined frequency to pass...
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6882733 |
Surround headphone output signal generator
In a surround headphone output signal generator for generating multichannel sound signals from digital audio data, and combining the sound signals for the respective channels to generate...
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6853732 |
Center channel enhancement of virtual sound images
The present invention disclosed and claimed herein, in one aspect thereof, comprises a method for enhancing the front sound image during reproduction in a listening space of a stereo sound program,...
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6834744 |
Speaker system
This invention has been made to provide a speaker system capable of miniaturization and presenting a good sound quality. A speaker 15 is mounted on a printed circuit board 21 arranged inside a...
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6829361 |
Headphones with integrated microphones
A sound reproduction system includes headphones ( 11 ). The headphones include structures for generating sound ( 4, 5 ) and microphones ( 6, 7 ). Further, the system includes filters ( 8,9 ) for...
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6820138 |
Portable computer system including detachable handheld media storage and playback device
A portable computer system in accordance with one embodiment of a present invention includes a portable computer and a recorded media storage and playback device adapted to be electrically and...
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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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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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