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Electrical Audio Signal Processing Systems And Devices > Binaural And Stereophonic > Stereo Speaker Arrangement > Stereo Earphone Stereo EarphoneStereo Earphone patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/08/07 - 20070258608 - Headphone There is provided a headphone having an active interference sound compensation unit for the compensation of interference sound. In addition thereto the headphone has a wireless receiver for wirelessly receiving an audio signal to be reproduced. The provision of the wireless receiver achieves the result that information or audio signals ... 10/04/07 - 20070230725 - Audio signal processing Systems and methods of processing audio signals are described. The audio signals comprise information about spatial position of a sound source relative to a listener. At least one audio filter generates two filtered signals for each of audio signal. The two filtered signals are mixed with other filtered signals from ... 09/27/07 - 20070223749 - Method, medium, and system synthesizing a stereo signal A method, medium, and system generating a 3-dimensional (3D) stereo signal in a decoder by using a surround data stream. According to such a method, medium, and system, a head related transfer function (HRTF) is applied in a quadrature mirror filter (QMF) domain, thereby generating a 3D stereo signal by ... 08/02/07 - 20070177748 - Earphone structure An earphone structure comprises a housing body and a cover body combined therewith. A first speaker, a second speaker and a hood body are respectively combined to the inside and the outside of said cover body. The central axes of the first speaker and the second speaker are respectively pointed ... 07/26/07 - 20070172086 - 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 apparatus comprising: (a) a series of audio inputs representing audio signals being projected from an idealised sound source located at ... 07/19/07 - 20070165890 - Sound image localization device A sound image localization device (10) comprising: band division means (11) for dividing an inputted acoustic signal to a high-band acoustic signal and a low-band acoustic signal; a first filter (12) and a second filter (13) for localizing the high-band acoustic signal; low-band localization means (16) having a third filter ... 07/12/07 - 20070160241 - Determination of the adequate measurement window for sound source localization in echoic environments A method for sound source localization comprises the steps of computing an envelope of a signal; performing a non-linear, onset preserving smoothing of the envelope; and evaluating cues for sound source localization, using the points where the smoothing changes from its rising phase to its falling phase as measurement points. ... 06/07/07 - 20070127747 - Conversation switch for stereo headphones The present invention provides a very lightweight conversation switch for stereo headphones that allows a user to select between listening to an audio player's source (e.g. music player, computer) and listening to a microphone. The preferred embodiment comprises a standard earphone or headphone set with an additional electronics assembly interposed ... 03/29/07 - 20070071262 - Method for adjusting a hearing apparatus on the basis of biometric data and corresponding hearing apparatus The adjustment of hearing apparatuses and in particular hearing devices is to be improved. To this end, provision is also made to use biometric data relating to the user of the hearing apparatus. The skin resistance value is used here for instance to correspondingly control the interference noise suppression and ... 11/23/06 - 20060262949 - Cable-connectable stereo headset Disclosed is a cable-connectable stereo headset. The cable-connectable stereo headset includes a first headphone containing a Bluetooth® enabled module and a second headphone connected to the first headphone by a cable. In a voice communication mode, the second headphone may be kept separate from the first headphone while only the ... 11/16/06 - 20060256986 - Remote control system with a wireless earphone function and corresponding method A remote control method with a wireless earphone function, the method providing a host for playing video signals and audio signals and a remote control, the host including an audio playing unit, the method includes the steps of: receiving a connectivity signal from an audio signal outlet thereof, and determining ... 08/10/06 - 20060177078 - Apparatus for implementing 3-dimensional virtual sound and method thereof An apparatus for implementing a 3-dimensional virtual sound and method thereof are disclosed, in which computational and storage complexity are reduced, in which system stability is secured, and by which the 3-dimensional virtual sound can be implemented in such a mobile platform failing to be equipped with expensive instruments for ... 07/06/06 - 20060147068 - Audio reproduction apparatus, feedback system and method The audio reproduction apparatus comprises a cost input for inputting a mathematical cost derived from a measurement, which measurement is user-influenceable and a conditioning unit, capable of delivering an output audio signal in dependence of the mathematical cost, characterized in that the conditioning unit comprises an audio processing means arranged ... 06/15/06 - 20060126871 - 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 and left ears of the listener into an audio signal, respectively, and third and fourth filters convolute impulse responses corresponding to ... 04/20/06 - 20060083394 - Head related transfer functions for panned stereo audio content A method to process audio signals, an apparatus accepting audio signals, a carrier medium that carried instructions for a processor to implement the method to process audio signals, and a carrier medium carrying filter data to implement a filter of audio signals. The method includes filtering a pair of audio ... 03/23/06 - 20060062409 - Asymmetric hrtf/itd storage for 3d sound positioning A method and system for reducing head related transfer function (HRTF) storage requirements for 3-D sound processing of an input sound having a specified source angle increment is provided. Interaural time difference (ITD) values are selected based directly on the source angle increment; and HRTFs for processing the input sound ... 03/09/06 - 20060050909 - Sound reproducing apparatus and sound reproducing method A sound reproducing apparatus and a sound reproducing method. The sound reproducing apparatus includes an actual listening environment feature function database where an actual listening space feature function is stored for correcting the virtual source in response to a feature of an actual listening space provided at the time of ... 03/09/06 - 20060050908 - Personalized surround sound headphone system A system and method determines parameters (170) for rendering headphone audio information, based on a user's preferred acoustic rendering in a non-headphone environment. A user configures a loudspeaker-based system for a preferred ambiance. Microphones (150) on a head-mounted device then detect the audio signals received by the user in this ... 03/02/06 - 20060045294 - Personalized headphone virtualization A listener can experience the sound of virtual loudspeakers over headphones with a level of realism that is difficult to distinguish from the real loudspeaker experience. Sets of personalized room impulse responses (PRIRs) are acquired for the loudspeaker sound sources over a limited number of listener head positions. The PRIRs ... 01/19/06 - 20060013418 - 5.1 channel digital surround earphone The present invention relates to the technology field of electronic product, more particularly to a 5.1 channel digital surround earphone. It includes a earphone main body and a line-controller. There is a connecting line between the earphone main body and the line controller, input port of the line-controller is connected ... 01/12/06 - 20060008100 - Apparatus and method for producing 3d sound Disclosed herein is an apparatus for producing 3D sound. The apparatus includes a determination unit, a mono sound spreading unit, a stereo sound spreading unit, a selection unit, and a 3D sound accelerator. The determination unit receives a source sound file and determines whether the source sound file is mono ... 12/15/05 - 20050276430 - Fast headphone virtualization Fast headphone virtualization techniques reduces the computational expense of providing multi-channel audio virtualization (which may also include reflection and reverberation effects) on headphones. First, the number of inverse Fast Fourier Transforms (FFT) involved in an FFT-based FIR filter headphone virtualization approach is reduced by summing the contributions of N-channels in ... 10/27/05 - 20050238189 - Headphone device with surround sound effect A headphone device with surround sound effect has a speaker unit that includes a center channel transducer, a surround channel transducer, a mid/woofer transducer, and a base plate. The base plate has opposite first and second sides. The first side of the base plate is formed integrally with first, second ... 09/01/05 - 20050190936 - Sound pickup apparatus, sound pickup method, and recording medium A sound pickup apparatus capable of providing a target sensation of sound localization to a listener by using a standard head-related transfer function is provided. In a microphone amplifying section of a sound pickup block, only the high frequency components of a signal for a left ear and a signal ... 08/25/05 - 20050185810 - 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 correcting filter means to which a pair of two-channel signals converted by the converting means are supplied and which corrects a ... 07/14/05 - 20050152565 - System and method for control of audio field based on position of user A system and method for control of an audio field based on the position of the user. In one embodiment, a system and a method for audio reproduction are provided. One or more audio signals are obtained that are representative of sounds occurring at a first location. The audio signals ... 06/23/05 - 20050135643 - Apparatus and method of reproducing virtual sound An apparatus and method of reproducing a 2-channel virtual sound while dynamically controlling a sweet spot and crosstalk cancellation are disclosed. The method includes: receiving broadband signals, setting compensation filter coefficients according to response characteristics of bands and setting stereophonic transfer functions according to spectrum analysis; down mixing an input ... 06/02/05 - 20050117762 - Binaural sound localization using a formant-type cascade of resonators and anti-resonators This invention is a method for binaural localization using a cascade of resonators and anti-resonators to implement an HRTF (head-related transfer function). The spectrum of the cascade reproduces the magnitude spectrum of a desired HRTF. The proposed method provides a considerably more computationally efficient implementation of HRTF filters with no ... 06/02/05 - 20050117761 - 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 of the listener wearing a headphone while a sound image of an opponent player's voice outputted ... ### FreshPatents.com Support |