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Searching: audio signal





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Patent # Description
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...
US-8,359,205 Methods and apparatus to perform audio watermarking and watermark detection and extraction
Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. An example method includes receiving a media content...
US-8,359,198 Pre-processing and speech codec encoding of ring-back audio signals transmitted over a communication network to...
A method of pre-processing an audio signal transmitted to a user terminal via a communication network and an apparatus using the method are provided. The method...
US-8,359,195 Method and apparatus for processing audio and speech signals
A method and device for processing signals representing speech or audio via a plurality of filters that approximate behaviors of the basilar membrane of human...
US-8,359,194 Device and method for graduated encoding of a multichannel audio signal based on a principal component analysis
A system and a method for the scalable coding of a multi-channel audio signal comprising a principal component analysis (PCA) transformation of at least two...
US-8,359,113 Method and an apparatus for processing an audio signal
A method of processing an audio signal is disclosed. The present invention comprises receiving downmix signal including object signals, transforming the downmix...
US-8,359,076 Mobile wireless communications device having improved antenna impedance match and antenna gain from RF energy
A mobile wireless communications device and associated method of making same includes a housing and circuit board having a ground plane. Radio frequency (RF)...
US-8,359,064 Wireless apparatus
This invention is directed to a wireless apparatus to carry out transmission and reception by either a digital communication system or an analog communication...
US-8,358,980 Wireless audio transfer system, wireless microphone, audio transmitting apparatus, audio receiving apparatus,...
Disclosed is a wireless audio transfer system that includes an audio transmitting apparatus including a microphone and a modulating/transmitting unit for...
US-8,358,973 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-8,358,907 Display control apparatus, display control method, and program
A display control apparatus includes a receiving unit that receives a television broadcast signal containing at least remote broadcast image information, a...
US-8,358,791 Distributed audio signal processing system having logical channel groups
A distributed audio signal processing system having a plurality of linked audio signal processing units is disclosed. Each audio signal processing unit has...
US-8,358,600 Method of transmitting data in a communication system
A method of transmitting a combined audio signal to at least one of a plurality of participants in a communication event comprising; receiving an audio signal...
US-8,358,376 Method and device for generating and detecting fingerprints for synchronizing audio and video
This invention relates to a device and a method of generating a first and a second fingerprint (102,104) usable for synchronization of at least two signals...
US-8,358,375 Method and device for accurately and easily measuring a time difference between video and audio
To solve the problems in the prior art, the present invention provides a method for measuring a time difference between digital video signals and digital audio...
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