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Searching: audio signal





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Patent # Description
US-8,275,610 Dialogue enhancement techniques
A plural-channel audio signal (e.g., a stereo audio) is processed to modify a gain (e.g., a volume or loudness) of a speech component signal (e.g., dialogue...
US-8,275,477 Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers
A method for digitally processing audio signals to emulate the effects of vacuum tube amplifiers and preamplifiers, musical instrument amplification systems,...
US-8,275,476 Apparatus and method of encoding and decoding audio signals
In one embodiment, the method includes receiving an audio signal having configuration information and at least one channel, and reading an indicator from the...
US-8,275,475 Method and system for estimating frequency and amplitude change of spectral peaks
Methods, digital systems, and computer readable media are provided for estimating change of amplitude and frequency in a digital audio signal by transforming a...
US-8,275,473 Data recording and reproducing apparatus, method of recording and reproducing data, and program therefor
A data recording and reproducing apparatus is adapted to receive audio data created by encoding an original sound signal and to decode the audio data into the...
US-8,275,315 System and method for transmitting data over an audio communication link
The present invention relates to a system and method that allows a user to transfer digital data to and from a mobile device between two or more communication...
US-8,275,307 Vehicle audio integrator
An audio integrator monitors the outputs of a plurality of audio sources, and a controller prioritizes the audio sources. An active audio detection circuit...
US-8,275,160 Delay time calculation apparatus, delay time calculation method, and storage medium storing program therefor
A delay time calculation apparatus that enables all of speaker units constituting a speaker array to contribute to the formation of a combined wavefront...
US-8,275,154 Apparatus for processing an audio signal and method thereof
An apparatus for processing an audio signal and method thereof are disclosed, by which a local dynamic range of an audio signal can be adaptively normalized as...
US-8,275,153 System and method for generating an audio gain control signal
Embodiments of a system and method of controlling the loudness of an audio signal are disclosed. The method includes determining a long term loudness level for...
US-8,275,152 Dynamic bass boost filter
Bass frequencies of audio can be dynamically boosted using various techniques and tools. The described techniques and tools can be applied separately or in...
US-8,275,151 Speakerphone using adaptive phase rotation
An improved speakerphone for a cellular telephone, portable telephone handset, or the like. In one embodiment, a receiver provides an audio signal, and a first...
US-8,275,150 Apparatus for processing an audio signal and method thereof
An apparatus for processing an audio signal and method thereof are disclosed, by which a local dynamic range of an audio signal can be adaptively normalized as...
US-8,275,148 Audio processing apparatus and method
An audio processing apparatus is provided, comprising: a main microphone for receiving sounds from a source and noises from non-source sources and generating a...
US-8,275,145 Vehicle communication system
The present invention relates to a vehicle communication system comprising a plurality of microphones adapted to detect speech signals of different vehicle...
US-8,275,141 Noise reduction system and noise reduction method
A noise reduction system and a noise reduction method are provided. The noise reduction system comprises a uni-directional microphone, an omni-directional...
US-8,275,140 Transducer for sensing actual or simulated body sounds
A transducer system is disclosed for detecting actual or simulated body sounds. An audio signal generation and detection system is disclosed for the purposes of...
US-8,275,137 Audio distortion correction for a parametric reproduction system
A system and methods for distortion reduction in a non-linear audio system are disclosed. A method includes the operation of defining a non-linear system...
US-8,275,136 Electronic device speech enhancement
Disclosed herein is an apparatus. The apparatus includes a first audio input device, a second audio input device, an analog to digital converter, a voice...
US-8,275,115 System and method for securing data exchanged during a telephone call
A system and method for receiving information from a caller without the information being accessed by an agent handling the call. A call is received and routed...
US-8,275,004 Digital broadcasting transmitter, turbo stream processing method thereof, and digital broadcasting system...
A digital broadcasting transmitter, a turbo stream processing method thereof, and a digital broadcasting system having the same. The digital broadcasting...
US-8,274,546 System and method for improving audio capture quality in a living room type environment
The present invention is a system and method for improving the audio quality during a in a living-room type of environment having multimedia equipment. In...
US-8,273,977 Audio system, signal producing apparatus and sound producing apparatus
An audio player is connected to an automatic playing musical instrument, and command files and audio data files are prepared in the file format defined in the...
US-8,272,008 Methods, systems, and products for retrieving audio signals
Methods, systems, and products are disclosed for retrieving audio signals. A video signal is received that is associated with a content identifier and an...
US-8,271,713 Interface systems for portable digital media storage and playback devices
A docking assembly serves as an interface between (1) a portable digital media storage and playback (PDMSP) device, and (2) a media reproduction system. A...
US-8,271,293 Audio decoding using variable-length codebook application ranges
Provided are, among other things, systems, methods and techniques for decoding an audio signal from a frame-based bit stream. Each frame includes processing...
US-8,271,290 Encoding and decoding of audio objects
An audio system comprises an encoder (209) which encodes audio objects in an encoding unit (403) that generates a down-mix audio signal and parametric data...
US-8,271,289 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-8,271,287 Voice command remote control system
The invention is a method and apparatus for controlling electronic devices from a remote location. The method and apparatus utilizes a remote control device...
US-8,271,276 Enhancement of multichannel audio
The invention relates to audio signal processing. More specifically, the invention relates to enhancing multichannel audio, such as television audio, by...
US-8,271,274 Coding/decoding of a digital audio signal, in CELP technique
The invention aims at constructing improved dictionaries of CELP excitation vectors for coding/decoding digital audio signals. Usually, each vector of dimension...
US-8,271,268 Method to translate, cache and transmit text-based information contained in an audio signal
A method, system and computer-readable medium for generating, caching and transmitting textual equivalents of information contained in an audio signal are...
US-8,271,113 Audio testing system and method
An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling...
US-8,271,109 Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers
A method for digitally processing audio signals to emulate the effects of vacuum tube amplifiers and preamplifiers, musical instrument amplification systems,...
US-8,271,075 Audio headset with bio-signal sensors
An audio headset with bio-signal sensors is provided. In some embodiments, an audio headset that includes one or more electroencephalography (EEG) sensors is...
US-8,270,904 Cooperative local and wide area radio broadcasting
A method to transmit local area radio broadcast signals (38) that is coupled to wide area radio broadcast signals (39) is described. Local area radio...
US-8,270,664 Method and system for utilizing GPS information to secure digital media
A device such as a set-top-box, digital TV, DVD player, multi-media player, cellular telephone or digital cinema player that may handle data such as multimedia...
US-8,270,643 System and method for determining directionality of sound detected by as hearing aid
This invention relates to a system (200) for determining directionality of a sound. The system (200) comprises a first audio device (202) placed on one side of...
US-8,270,642 Method and system for producing a binaural impression using loudspeakers
The invention relates to a method and device for reproducing sound from a first input audio signal (1) using a plurality of first loudspeakers (4) and producing...
US-8,270,641 Multiple audio signal presentation system and method
I describe and claim a multiple audio signal presentation system and method. The multiple audio signal presentation system includes a presentation system to...
US-8,270,636 Photon audio amplifier and fiber link for audio systems
Systems and methods to minimize signal loss and distortions with connections of audio sources and speakers are disclosed. Fiber optic cables are used instead of...
US-8,270,630 Automatic and dynamic noise cancellation for microphone-speaker combinations
An audio host device has a headset electrical interface in which a reference contact is shared by a microphone and a speaker. A variable or programmable gain...
US-8,270,629 System and method allowing for safe use of a headset
A system and method allow for safe use of headphones that include a microphone when using the headphones with a cellular phone, a music device, or the like. A...
US-8,270,626 System for active noise control with audio signal compensation
An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a...
US-8,270,623 Devices and methods for testing the operability of audio speakers
A device for testing the operability of an audio speaker includes a housing, a unidirectional microphone and a display. The underside of the housing comprises a...
US-8,270,618 Compatible multi-channel coding/decoding
In processing a multi-channel audio signal having at least three original channels, a first downmix channel and a second downmix channel are provided, which are...
US-8,270,617 Method, medium, and apparatus encoding and/or decoding extension data for surround
A method, medium, and apparatus encoding and/or decoding an audio signal to surround data. While encoding spatial information, which can up-mix an audio signal...
US-8,270,439 Video game system using pre-encoded digital audio mixing
A method and related system of encoding audio is disclosed. In the method, data representing a plurality of independent audio signals is accessed. The data...
US-8,270,269 Timing extraction device and video display device
An asynchronous timing detector 3 detects and measures a specific pattern (sync pattern) of audio and video reproduced signals having a digital value form an...
US-8,269,889 Television apparatus
A television apparatus (20) including a display (22) and an audio transducer (24,28) for reproducing video and audio component parts of a television signal. A...
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