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Searching: audio signal





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Patent # Description
US-8,369,541 Distributed audio signal processing system having virtual channels
A distributed audio signal processing system having a plurality of linked audio signal processing units is disclosed. Each audio signal processing unit has...
US-8,369,540 Audio signal amplification
A system for amplifying a digital audio signal comprises a receiver 12 for receiving a digital audio signal, a level estimator 14 arranged to calculate the...
US-8,369,539 Audio system with parental maximum volume control
The disclosed embodiments relate to an audio system (100) and an associate method. An exemplary embodiment of the system (100) comprises a user interface (104)...
US-8,369,538 Effect adding method and effect adding apparatus
An effect adding method, includes: applying different gains to a positive side waveform portion and a negative side waveform portion of an audio signal...
US-8,369,533 Array speaker apparatus
An array speaker apparatus SParray includes a first radiation means for driving speaker units so that a first sound S1 of a main channel is radiated to a wall...
US-8,369,532 Device for and a method of processing an audio signal
A device for processing an audio signal, wherein the device comprises a detection unit adapted for detecting a widening state of the audio signal, and a...
US-8,369,531 Audio reproducing apparatus and method thereof
An audio reproducing apparatus includes the following elements: an output circuit operable to generate audio signals to be supplied to first and second speakers...
US-8,369,489 User interface that reflects social attributes in user notifications
A method (300) for providing an audio message (105). The method can include detecting at least one external parameter (125, 130, 135). Detecting the external...
US-8,369,363 Wireless methods and devices employing plural-bit data derived from audio information
A portable wireless device includes a processor portion, which is adapted to process audio information in two different ways, for two different purposes. One is...
US-8,369,318 Networking apparatus and telephony system
A networking apparatus including a PBX that relays between and manages IP and analog telephones that are assigned extension number information has: a VoIP...
US-8,369,252 Method and system for time division duplex hum noise cancellation
Methods and systems for TDD hum noise cancellation are disclosed and may include correlating a received audio signal to a time division duplexed (TDD) envelope...
US-8,368,811 Reproducing apparatus
According to the present invention, the sound quality of an apparatus having HDMI outputs exclusive for both of an audio signal and a video signal can be...
US-8,368,715 Audio signal processing apparatus, audio signal processing method, and audio signal processing program
An audio signal processing apparatus includes an examining unit and a generating unit. The examining unit examines, in each frequency band and at each...
US-RE43,985 Controlling loudness of speech in signals that contain speech and other types of audio material
Mechanisms are known that allow receivers to control loudness of speech in broadcast signals but these mechanisms require an estimate of speech loudness be...
US-8,365,228 Information transmitting apparatus and method, information receiving apparatus and method, provider, and...
MPEG video encoders and MPEG audio encoders encode video signals and audio signals, respectively. An SI/EPG data generator generates program information. A...
US-8,364,497 Apparatus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-8,364,481 Speech recognition with parallel recognition tasks
The subject matter of this specification can be embodied in, among other things, a method that includes receiving an audio signal and initiating speech...
US-8,364,479 System for speech signal enhancement in a noisy environment through corrective adjustment of spectral noise...
A system estimates the spectral noise power density of an audio signal includes a spectral noise power density estimation unit, a correction term processor, and...
US-8,364,478 Audio signal processing apparatus, audio signal processing method, and communication terminal
An audio signal processing apparatus, includes an environmental ambient noise level detection unit for detecting an environmental ambient noise level contained...
US-8,364,477 Method and apparatus for increasing speech intelligibility in noisy environments
A method (400, 500) and apparatus (220) seeks to improve the intelligibility of speech emitted into a noisy environment. Formants are identified (426) and...
US-8,364,471 Apparatus and method for processing a time domain audio signal with a noise filling flag
An apparatus and method for processing an audio signal including extracting noise filling flag information indicating whether noise filling is used to a...
US-8,364,299 Audio signal transmission apparatus avoiding noise generation and method thereof
An audio signal transmission apparatus avoiding noise generation is applied to a game platform functions by executing a recording process, and comprises: an...
US-8,364,298 Filtering application sounds
A system, method, and program product are provided for filtering sound from a selected application on a computer without interrupting voice communications on...
US-8,364,297 Audio playing method
The disclosure relates to an audio playing method adapted for an electronic device. The audio playing method includes (a) providing the electronic device, the...
US-8,364,295 Interactive sound reproducing
An audio system attachable to a computer includes a sound reproduction device for producing audible sound from audio signals. The sound reproduction device...
US-8,364,204 Dual-standby portable terminal and method for connecting audio path thereof
A dual-standby portable terminal and a method for connecting an audio path thereof are provided. A method for connecting an audio path of a dual-standby...
US-8,364,084 Audio broadcasting system and method for broadcasting the same
The present invention provides an audio broadcasting system which comprises an audio player, an adaptor and a vehicle stereo device with a FM receiver. The...
US-8,364,078 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-8,364,004 Reproducing apparatus, display apparatus, reproducing method, and display method
A transport signal transmitted from a television receiver apparatus 720 through a signal line 708 is subjected to a separation operation by a transport-signal...
US-8,363,869 Hearing aid housing apparatus
A hearing aid including an audio-processing device. The audio-processing device may be configured to receive a signal from a microphone and send the signal to a...
US-8,363,866 Audio menu navigation method
A method of operating an audio system having first and second sources includes outputting a first audio signal from the first source on first and second...
US-8,363,865 Multiple channel sound system using multi-speaker arrays
An apparatus that provides for the reproduction of 6.1 surround sound (or other formats of) audio programs using a minimum of two speaker cluster locations is...
US-8,363,857 Portable electronic device
A portable electronic device includes a player, a speaker, a control circuit, a switch circuit, and a current limiter. The player is for outputting analog audio...
US-8,363,856 Audio amplifier circuit and electronic apparatus including the same
An electronic audio amplifier circuit, operable in two modes and a battery powered portable audio apparatus incorporating the circuit; and associated...
US-8,363,854 Device and method for automatically adjusting gain
A device and method are provided for automatically adjusting gain, including a conversion module for converting an audio time-domain signal to an audio...
US-8,363,850 Audio signal processing method and apparatus for the same
An audio signal processing method for processing input audio signals of plural channels includes calculating at least one feature quantity representing a...
US-8,363,848 Method, computer readable storage medium and system for localizing acoustic source
A system for localizing an acoustic source is provided. This system includes a microphone apparatus, an audio processing apparatus, a photographing apparatus,...
US-8,363,847 Device and method for simulation of WFS systems and compensation of sound-influencing properties
An aliasing correction in a wave field synthesis system is achieved by ascertaining the aliasing filter property specific for a virtual source. This aliasing...
US-8,363,845 Speaker array apparatus and signal processing method therefor
A speaker array apparatus capable of performing directivity control with ease even when sound emission is performed based on audio signals of different...
US-8,363,844 Contextual audio switching for a USB controlled audio device
Systems and methods for contextual audio switching for a USB controlled audio device coupled to a processor-based host are presented. Two or more USB audio...
US-8,363,842 Playback method and apparatus, program, and recording medium
There is provided a playback method for decode-processing and playing back coded audio data which is transmitted with necessary stereo process information...
US-8,363,822 Method and apparatus for battery switching during ringing
A method for providing a ringing signal includes providing a plurality of batteries coupled to a subscriber line interface circuit operable to generate the...
US-8,363,820 Headset with whisper mode feature
Systems and methods for operating a telecommunications device in whisper mode are presented. The method generally includes adjusting a transmit audio signal...
US-8,363,161 Systems, methods, and apparatus for synchronization of audio and video signals
Methods of processing an audiovisual signal that has a video portion and an audio portion are described. One example includes detecting a video synchronization...
US-8,363,087 Television receiver with a TV phone function
A videophone system includes a processor which selectively sets a television (TV) broadcast program viewing function mode and videophone function mode in...
US-8,362,833 Amplifier circuitry, integrated circuit and communication unit
Amplifier circuitry comprising a class-D amplifier for amplifying an audio input signal. The amplifier circuitry comprises sigma-delta modulation logic arranged...
US-8,362,832 Half-bridge three-level PWM amplifier and audio processing apparatus including the same
A half-bridge three-level pulse width modulation (PWM) amplifier includes a prescaling unit, a PWM generator configured to convert the input signal to a...
US-8,362,349 Touch pad disc jockey controller
The present invention pertains to the field of control and manipulation of a digital audio signal by a user manipulable touch sensitive control surface. The...
US-8,359,610 Audience measurement apparatus, system and method for producing audience information of a media presentation
Audience measurement methods and systems for producing audience information of a media presentation. At least one embodiment includes a moveable apparatus...
US-8,359,417 Audio/video router
A composite input signal having an audio component and a video component is routed from an input to an output by separating a stream of audio data words at an...
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