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Searching: audio signal





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Patent # Description
US-8,798,282 Active noise reduction adaptive filter leakage adjusting
An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors....
US-8,798,280 Calibration method and device in an audio system
The present publication describes a calibration method and apparatus, in which an electrical calibration signal is formed, an audio signal is formed in the...
US-8,798,278 Dynamic gain adjustment based on signal to ambient noise level
Methods and apparatuses for deriving a signal-to-noise ratio based at least in part on a measured level of a signal carrying far-end speech, and a measured...
US-8,798,276 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding...
A method and apparatus which encode multi-channel audio signals and a method and apparatus which decode multi-channel audio signals. When encoding, a downmixed...
US-8,798,172 Method and apparatus to conceal error in decoded audio signal
A method and apparatus to decode audio data constructed with a plurality of layers. An error concealment method of process a decoded bitstream selects one of a...
US-8,798,133 Dual channel encoding and detection
Methods and systems for dual channel encoding and detection are described. In one embodiment, auxiliary data may be encoded in an audio portion of one or more...
US-8,797,459 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,796,527 Tone reproduction apparatus and method
Watermark information indicative of content of music piece performance data to be reproduced in synchronism with a first audio signal is embedded into the first...
US-8,793,364 Remote power controller
A remote power controller apparatus includes a first interface for communicating with a host computer, a second interface for communicating with a target...
US-8,793,126 Time/frequency two dimension post-processing
In accordance with an embodiment, a time-frequency post-processing method of improving perceptual quality of a decoded audio signal, the method includes...
US-8,793,123 Apparatus and method for converting an audio signal into a parameterized representation using band pass...
Apparatus for converting an audio signal into a parameterized representation, has a signal analyzer for analyzing a portion of the audio signal to obtain an...
US-8,792,945 Methods and devices for dual mode bidirectional audio communication
Disclosed are dual mode I/O devices and methods for transmission of a short range radio link such as a Bluetooth.RTM. link that is a bi-directional real-time...
US-8,792,939 Non-wireless bidirectional communication between a mobile device and associated secure element using an audio port
In some embodiments, a system includes a mobile communication device and a secure element physically coupled to the mobile communication device. The mobile...
US-8,792,669 Earphone system and use of an earphone system
There is provided an earphone system comprising an earphone and at least two acoustic dampers (24), the earphone comprising a speaker unit (10) and an earpiece...
US-8,792,657 Speaker device
A speaker device includes: an acoustic diaphragm; a vibration transfer member provided in a state of touching the acoustic diaphragm over a given length, which...
US-8,792,654 Audio equipment and a signal processing method thereof
The present invention relates to an audio equipment (1) and a signal processing method thereof, wherein the mismatches that can occur at the packet boundaries...
US-8,792,653 Signal processing apparatus and method
A signal processing apparatus includes a first audio output unit configured to output audio of a first audio signal input from a first signal input line, a...
US-8,792,648 Apparatus and method for transmitting/receiving voice signal through headset
An apparatus and method are disclosed, which separates ambient noise from a voice signal in a Bluetooth headset with dual microphones, switches the connection...
US-8,792,383 Digital communications system for residential and custodial-care environments, office and the like
The system is based on the arrangement of a plurality of terminals (1), (I') . . . (I.sup.n), which are interconnected with one another to form a digital...
US-8,792,059 Control device for audio-visual display
A control device signals user inputs to an audio-video display. The control device may be configured as a pillow speaker and include a speaker for reproducing...
US-8,792,055 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,791,914 Input method applied in electronic devices
An input method applicable for inputting into an electronic device, which includes the steps of capturing a lip motion of a person; receiving an image of the...
US-8,791,789 Remote control signaling using audio watermarks
A system for using a watermark embedded in an audio signal to remotely control a device. Various devices such as toys, computers, and appliances, equipped with...
US-8,790,263 Automated movement detection with audio and visual information
The embodiments contemplate systems and methods for detecting moving tissue within an object. In one such method, a first and second ultrasound pulse are...
US-8,790,256 System and method employing a thermocouple junction for monitoring of physiological parameters
Disclosed are systems and methods for enabling the acquisition of physiological parameters of a mammal or other specimen using thermo-mechanical responses...
US-8,789,808 Urinal with operation controlled via a replica of a motorcycle handlebar
The urinal with operation controlled via a replica of a motorcycle handlebar is a wall-mounted fixture configured to control the use of the flush valve of said...
US-RE45,052 File format for multiple track digital data
A file for storing digital data with high compression rate stores digital data for video and audio signals in multiple streams interleaved with each other. Each...
US-8,788,870 Flat panel display driver method and system
Methods and systems are described for enabling display system data transmission during use. An integrated circuit package includes input interface circuitry...
US-8,788,276 Apparatus and method for calculating bandwidth extension data using a spectral tilt controlled framing
An apparatus for calculating bandwidth extension data of an audio signal in a bandwidth extension system, in which a first spectral band is encoded with a first...
US-8,788,275 Decoding method and apparatus for an audio signal through high frequency compensation
A decoding apparatus decodes a first encoded data that is encoded from a low-frequency component of an audio signal, and a second encoded data that is used when...
US-8,788,274 Language converter and transmitting system
A language converter and transmitting system includes a processor adapted for converting the first language into a plurality of secondary languages. An audio...
US-8,788,269 Satisfying specified intent(s) based on multimodal request(s)
Techniques are described herein that are capable of satisfying specified intent(s) based on multimodal request(s). A multimodal request is a request that...
US-8,788,264 Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio...
An audio encoding device (1A) corrects initial gain information calculated for an arbitrary frame, based on gain information of a stored past frame, thereby...
US-8,788,079 Monitoring audio fidelity and audio-video synchronization
Methods, systems, and computer programs for monitoring quality of audio delivered over a communications channel are presented. One method includes an operation...
US-8,788,077 Designer control devices
Control devices are provided. A control device includes an input, an output, and a processor. The processor is configured to receive an input signal through the...
US-8,788,075 Multiple radio signal processing and storing method and apparatus
We have disclosed an enhanced radio system that provides for the capture and playback of one or more radio stations. The user may tune to a station, or scan...
US-8,787,887 Promotion operable recognition system
Embodiments describe a recognition system that works in conjunction with a subscriber's cellular phone and the network serving the subscriber. According to an...
US-8,787,822 Entertainment system
Disclosed here is an audio system and a method of operating the same. The audio system comprises a receiver module for receiving radio frequency (RF) input...
US-8,787,609 Eardrum implantable devices for hearing systems and methods
An implantable device is configured for placement in the eardrum to transmit an audio signal to a user. The device may be configured to improve transmission of...
US-8,787,605 Frequency translation in hearing assistance devices using additive spectral synthesis
Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The...
US-8,787,598 Dynamic contoured-sound/subwoofer-synthesis audio system
A dynamic sound enhancement system and method which produces non-linear dynamic gain, time domain offset, and damping control in relation to frequency...
US-8,787,597 Pop-up noise suppression in audio
Systems and methods for suppressing pop-up noise in an audio signal are disclosed. The system includes a driver circuit shared by a pin interface and a...
US-8,787,596 Audio system including multiband audio dynamics processor
An audio system includes a level controller receiving an input audio signal from an audio medium. The level controller includes a gain adjust module producing...
US-8,787,595 Audio signal adjustment device and audio signal adjustment method having long and short term gain adjustment
To perform volume control matching the actual auditory sensation level of a human so as to improve the control accuracy. As shown in FIG. 1, an audio gain...
US-8,787,591 Method and system for interference suppression using blind source separation
A method of interference suppression is provided that includes receiving a first audio signal from a first audio capture device and a second audio signal from a...
US-8,787,590 Rearview assemblies incorporating hands-free telephone components
The rearview assembly of the present invention may include any one or more of the following: a housing for attaching to the vehicle, the housing may define an...
US-8,787,587 Selection of system parameters based on non-acoustic sensor information
An audio processing system processes an audio signal that may come from one or more microphones. The audio processing system may use information from one or...
US-8,787,585 Method and system for frequency domain active matrix decoding without feedback
A perceptually motivated, frequency domain active matrix decoder and decoding method which decodes N audio input signals to generate M audio output signals,...
US-8,787,584 Audio metrics for head-related transfer function (HRTF) selection or adaptation
A method includes detecting, via a first microphone coupled to a user's left ear, a sound, detecting, via a second microphone coupled to the user's right ear,...
US-8,787,403 Audio convergence control facilitating bitpool value converging to stable level
A system includes a controller that provides an output control signal based on two or more control inputs. The controller determines an indication of radio...
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