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Searching: audio signal





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Patent # Description
US-8,340,312 Differential mode noise cancellation with active real-time control for microphone-speaker combinations used in...
An audio host device has an electrical interface having a speaker contact, a microphone contact, and a reference contact. The reference contact is shared by a...
US-8,340,311 Voice amplification system for signal calling during the play of a sports competition
A system that allows the teammates of an individual (such as a quarterback on a football team) to hear signals being called by that individual during the course...
US-8,340,310 Diaphonic acoustic transduction coupler and ear bud
The disclosed methods and devices incorporate a novel expandable bubble portion which provides superior fidelity to a listener while minimizing listener...
US-8,340,308 Method and apparatus for automatic noise compensation used with audio reproduction equipment
A method and an apparatus for automatic noise compensation used with audio reproduction equipment are provided. The method comprises: (a) collecting a plurality...
US-8,340,307 Passive sound pressure level limiter
A passive sound pressure level (SPL) limiter is provided that can be used with audio sources of varying drive levels and headsets, earbuds, etc. of varying...
US-8,340,305 Audio encoding method and device
Audio encoding method and device comprising the transmission, in addition to the data representing a frequency-limited signal, of information relating to a...
US-8,340,302 Parametric representation of spatial audio
In summary, this application describes a psycho-acoustically motivated, parametric description of the spatial attributes of multichannel audio signals. This...
US-8,340,269 Method, device, and system for processing multi-channel audio signals
A method for processing multi-channel audio signals includes receiving L channel audio signals from participating conference terminals, decoding the L channel...
US-8,340,138 Interface circuit
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-8,340,078 System for concealing missing audio waveforms
In one embodiment, a method can include: (i) establishing an internet protocol (IP) connection; (ii) forming a buffered version of a plurality of voice frame...
US-8,339,522 Liquid crystal panel, plasma display panel, and wide-screen liquid crystal television
There is provided a liquid crystal television and a plasma television that can adapt to various destinations and are resistant to noise in view of the...
US-8,339,371 User interface device for controlling an audio visual system
A user interface device for controlling an audio visual system. In one embodiment, a device for interfacing with an audio/visual system includes a sensor mat...
US-8,336,771 Payment card terminal dongle for communications devices
A dangle, which plugs into the audio/earpiece jack of host devices, allows them to accept payment cards as a point of sale (POS) terminal. It contains a...
US-8,336,769 Banking system operated responsive to data read from data bearing records
A banking system includes automated banking machines that operate responsive to data read from data bearing records. Transactions may also be carried out...
US-RE43,872 Headset for use with a communication and/or multimedia device
A headset is proposed for use with a communication and/or multimedia device, said headset comprising an interface for receiving input data, a processing unit...
US-8,336,106 Method to control the access to conditional access audio/video content
The present invention aims at solving the financial revenue loss due to the presence of digital video recorders that allow skipping the commercial breaks. The...
US-8,335,684 Interchangeable noise feedback coding and code excited linear prediction encoders
A system and method for encoding and decoding speech signals that includes a specially-designed Code Excited Linear Prediction (CELP) encoder and a vector...
US-8,335,579 Restoring corrupted audio signals
A method of restoring a corrupted audio signal includes the steps of inputting the corrupted audio signal in a first channel, inputting one or more further...
US-8,335,576 Methods and apparatus for bridging an audio controller
The present invention enables the transparent bridging of an audio controller over a network between a host PC and a remote user interface system by providing a...
US-8,335,526 Location and time specific mobile participation platform
A mobile participation platform enables a wireless network operator or third party to solicit response data related to a specific time and location specific...
US-8,335,504 Methods, devices and computer readable media for providing quality of service indicators
Provided are exemplary embodiments including a methods, software and devices for providing Quality of Service ("QoS") information the user of a mobile...
US-8,335,496 Playing local device information over a telephone connection
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for playing local device information over a telephone...
US-8,335,469 Communications system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,335,330 Methods and devices for audio upmixing
At least one exemplary embodiment is directed to a new spatial audio enhancing system including a novel Adaptive Sound Upmixing System (ASUS). In some specific...
US-8,335,328 Programmable integrated microphone interface circuit
An integrated circuit for providing programmable microphone interface includes an input terminal for receiving an input signal and an output terminal for...
US-8,335,327 Audio signal amplifier for karaoke player
A configurable amplifier circuit for a karaoke player is described. In one embodiment, a karaoke player includes: a DVD/CD reader port for coupling to a DVD/CD...
US-8,335,325 Audio signal processing apparatus mixing plurality of input audio signals
An audio signal processing apparatus comprises input channels, a mix bus, a volume level controller, a path disconnector that connects or disconnects a path...
US-8,335,324 Method and apparatus for automatic volume adjustment
The invention provides an apparatus capable of automatic volume adjustment. In one embodiment, the apparatus comprises a speaker, an array microphone located in...
US-8,335,322 Mute control circuit and electronic device using same
An electronic device includes an amplifier, an output unit, a processing unit, and a mute control circuit. The amplifier is for amplifying audio signals and...
US-8,335,321 Audio signal processing apparatus, audio signal processing method and imaging apparatus
An audio signal processing apparatus generates an audio signal having an omni-directivity in the whole circumferential direction, generates an audio signal...
US-8,335,320 Audio apparatus
An audio apparatus includes: a connector that supports a multipolar plug including a plurality of plug terminals, the connector having a plurality of connector...
US-8,335,308 Method, system, and apparatus for attenuating dual-tone multiple frequency confirmation tones in a telephone set
A method, system, and apparatus for attenuating a dialing confirmation tone includes receiving an enable signal from a tactile user input device, generating at...
US-8,335,301 Video on hold for VoIP system
A system for placing a telephone call on hold and presenting video to the user that has been placed on hold comprises video on hold arbiter that either is a...
US-8,334,891 Multipoint conference video switching
A method includes receiving a plurality of audio signals, wherein the audio signals each include a plurality of packets containing voice data associated with...
US-8,333,609 Connector, multi-channel audio system, electronic apparatus, and cable for connection
A plurality of audio signal output terminals corresponding to individual channels of an audio-signal output apparatus are respectively disposed in ...
US-8,333,260 Deep insertion vented earpiece system
A deep insertion vented earpiece system is described including resilient earpieces shaped to a wearer's ear canal for a conformal fit. A receptacle is provided...
US-8,332,954 Methods for embedding data in digital audio data
The present invention provides a method of embedding watermarking data in an audio signal which includes the steps of incorporating watermarking information...
US-8,332,216 System and method for low power stereo perceptual audio coding using adaptive masking threshold
A method for stereo audio perceptual encoding of an input signal includes masking threshold estimation and bit allocation. The masking threshold estimation and...
US-8,331,890 Duty-to-voltage amplifier, FM receiver and method for amplifying a peak of a multiplexed signal
A FM receiver comprises an IF filter, a demodulator and a decoder. The IF filter generates an RSSI and a FM modulated signal in response to a FM signal. The...
US-8,331,856 Underwater camera communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,331,763 Apparatus and method for synchronizing reproduction time of time-shifted content with reproduction time of...
An apparatus and method are provided for synchronizing a reproduction time of a time-shifted content with a reproduction time of a real-time content. The...
US-8,331,759 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus configured to generate audio and/or video signals representative of an audio and/or video source, the audio and/or...
US-8,331,598 Audio system for outdoor umbrella
An audio system for an outdoor umbrella includes an audio housing, a detachable locker, and an audio device. The audio housing includes a first housing body and...
US-8,331,593 Hearing aid with a removably connected elongate member
The present invention relates to a new type of hearing aid with a housing that is adapted for positioning in the ear canal of a user and attached to an elongate...
US-8,331,585 Audio mixing
The invention relates to a method and an apparatus for mixing audio signals. The invention is based on the idea to base selection of what audio channels to mix...
US-8,331,582 Method and apparatus for producing adaptive directional signals
The invention relates to adaptive directional systems, and more particularly to a method and apparatus for producing adaptive directional signals. The invention...
US-8,331,575 Data processing apparatus and parameter generating apparatus applied to surround system
Calculation is performed for sound paths 112-1, 114-1 along which sounds emitted from a sound emitting point 104 in an acoustic space 102 are reflected and...
US-8,331,573 Applause attenuation system
A method and apparatus for attenuating applause from a satellite radio signal, including, a spectrum analyzer and comparator having an internal memory for...
US-8,331,572 Spatial audio
In summary, this application describes a psycho-acoustically motivated, parametric description of the spatial attributes of multichannel audio signals. This...
US-8,331,570 Method and system for enhancing bass effect in audio signals
The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to...
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