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| Number | Title | Issue Date |
| 8050433 | Apparatus and method to cancel crosstalk and stereo sound generation system using the same An apparatus and method for canceling crosstalk between 2-channel speakers and two ears of a listener in a stereo sound generation system. The crosstalk canceling apparatus includes a first signal processing unit to cross-mix first and second channel signals with ga... | 11/01/2011 |
| 8000485 | Virtual audio processing for loudspeaker or headphone playback There are provided methods and an apparatus for processing audio signals. According to one aspect of the present invention there is included a method for processing audio signals having the steps of receiving at least one audio signal having at least a center channe... | 08/16/2011 |
| 7826630 | Sound image localization apparatus A sound localization apparatus capable of localizing a sound image at a given position, in a simple configuration is provided with: a first signal processor for convoluting an input audio signal with a first impulse response corresponding to a path from a reference ... | 11/02/2010 |
| 7756281 | Method of modifying audio content At least one exemplary embodiment is directed to a method of generating a Personalized Audio Content (PAC) comprising: selecting Audio Content (AC) to personalize; selecting an Earprint; and generating a PAC using the Earprint to modify the AC. ... | 07/13/2010 |
| 7734055 | User configurable headset for monaural and binaural modes A headset is described that can be user-configured to be used in either monaural or binaural modes. The headset may include a first speaker for one ear, and a second speaker in an earpiece inserted in the headset body. The earpiece may be retractable, and upon remov... | 06/08/2010 |
| 7720240 | 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... | 05/18/2010 |
| 7715575 | Room impulse response Audio loudspeaker and headphone virtualizers and methods use room impulse responses with modified individual head-related transfer functions prior to superposition including middle truncation; and perform convolutions in the frequency domain with zero-padded section... | 05/11/2010 |
| 7680289 | 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 provide... | 03/16/2010 |
| 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 two-channel stereophonic signal from a transceiver that is attachable to a devi... | 06/30/2009 |
| 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 headphones connector and a software program/module being executed by the c... | 05/12/2009 |
| 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 systems or the switching architecture by producing a digitally filtered c... | 03/17/2009 |
| 7489792 | Generation of a sound signal In a method and a media system of/for generation of at least one output signal (HPL,HPR) from at least one input signal belonging to a second set of sound signals (M) having a related second set of Head Related Transfer Functions, in which the ... | 02/10/2009 |
| 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 of the listener wearing a headphone while a sound image of an opponent... | 10/07/2008 |
| 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 set of speakers is mounted in a location near the temple of a listener... | 08/19/2008 |
| 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 alignment mechanism for moving the connector into alignment with a connec... | 07/15/2008 |
| 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 head-related transfer function (HRTF) data, first using at least one s... | 06/24/2008 |
| 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 with a method of normalizing the relative levels of the different tal... | 06/24/2008 |
| 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 the emitted sound signal, processing the sound signal by the use of a p... | 06/10/2008 |
| 7371175 | Method and system for enhanced audio communications in an interactive environment Enhanced audio communications is provided in an interactive environment, such as a gaming environment, having multiple participants. An input audio signal, such as a speech signal, that is originated by one of the multiple participants is received. In addition, one ... | 05/13/2008 |
| 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 data obtained by subjecting first sound source data to signal preproc... | 05/06/2008 |
| 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, is provided that has a signal component in each of three or more sel... | 03/18/2008 |
| 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 speakers. In taking the acoustics into account, the separate sound chambers... | 03/04/2008 |
| 7337111 | Use of voice-to-remaining audio (VRA) in consumer applications Systems provide an audio/visual output to each of a plurality of listeners in a manner that permits individualized audio adjustment, wherein audio comprises a first signal that is substantially voice and a second signal that is substantially other than voice. The sy... | 02/26/2008 |
| 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 head tracker, and special signal-processing procedures to combine the si... | 02/19/2008 |
| 7331310 | Domestic animal training method A method of training animals provides for the creation of a recorded track taking into account a plurality of recording techniques for a particular sound source A stationary microphone is utilized to provide a first layer, a moving microphone as utilized to provide ... | 02/19/2008 |
| 7301648 | Self-referenced tracking A new tracking technique is essentially “sourceless” in that it can be used anywhere with no set-up, yet it enables a much wider range of virtual environment-style navigation and interaction techniques than does a simple head-orientation tracker. A sourceless he... | 11/27/2007 |
| 7301094 | Device for driving vibration source A vibration source driving device that realizes various vibration functions on portable telephones. The vibration source driving device includes a sound source for generating musical tone signals in response to music data. A vibration source to generate vibration, a... | 11/27/2007 |
| 7295141 | Method for mixing signals with an analog-to-digital converter The invention provides a method for mixing signals with an analog-to-digital converter. The analog-to-digital converter receives a plurality of analog signals. First, the plurality of analog signals are respectively converted to a plurality of first datastreams with... | 11/13/2007 |
| 7292901 | Hybrid multi-channel/cue coding/decoding of audio signals Part of the spectrum of two or more input signals is encoded using conventional coding techniques, while encoding the rest of the spectrum using binaural cue coding (BCC). In BCC coding, spectral components of the input signals are downmixed and BCC parameters (e.g.... | 11/06/2007 |
| 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 an interior chamber enclosed by the case, the case extension unit and ... | 10/30/2007 |
| 7288035 | Flag apparatus with electronic sound generating device for use in sports and games The present invention is a flag or tail apparatus that incorporates an electronic sound generating device. In some embodiments of this invention, the flag or tail may be removably appended to a belt. Upon decoupling of the flag or tail in the normal course of play, ... | 10/30/2007 |
| 7277767 | System and method for enhanced streaming audio A system and method for enhancement and management of streaming audio is disclosed. In one embodiment, the system provides a client-side decoder that is compatible with numerous audio formats, so that a user can enjoy relatively high-quality audio from various sourc... | 10/02/2007 |
| 7270554 | Audio jack with plug or head set identification circuit A jack (90) typically mounted in an aircraft seat is adapted for use with a variety of headset types. A jack has sockets (92, 93, 94) accepting any of several different types of plugs associated with different types of noise cancellation headsets or av... | 09/18/2007 |
| 7262358 | Portable voice studio system and method A portable voice studio apparatus is provided. The apparatus includes a microphone, a music generation device, a processing unit, and a headphone. The processing unit is contained in a single housing. The processing unit is electrically coupled with the microphone a... | 08/28/2007 |
| 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: means (14a) for producing a left-channel intermedi... | 08/07/2007 |
| 7251332 | Portable audio devices The components of a portable personal audio system include first and second audio signal source devices, such as an MP3 player (14) and telephone (16). These are connected via respective leads (12) to a control and switching stage (22), a... | 07/31/2007 |
| 7242765 | Headset cellular telephones Headset cellular phones which may be worn continually and use voice recognition/speech activation for dialing telephone numbers and controlling other aspects of operation. Cell phones according to the present invention can include a microphone and preferably include... | 07/10/2007 |
| 7233769 | Multiple channel wireless communication system A wireless audio distribution system may include a wireless transmitter transmititing an encoded digital bitstream serially combining each of a plurality of audio input channels and control data, a wireless receiver receiving the transmitted bitstream, a manual sele... | 06/19/2007 |
| 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 the wireless communication device (102) and a compati... | 05/29/2007 |
| 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 gain of the center speaker is attenuated in relation to the global vol... | 04/17/2007 |
