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Searching: audio signal





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Patent # Description
US-8,374,367 Hearing aid with a flexible elongated member
A hearing aid includes a shell for accommodation of a signal processor for processing an audio signal into a processed audio signal, and a receiver that is...
US-8,374,365 Spatial audio analysis and synthesis for binaural reproduction and format conversion
A frequency-domain method for format conversion or reproduction of 2-channel or multi-channel audio signals such as recordings is described. The reproduction is...
US-8,374,361 Method and an apparatus for processing an audio signal
An apparatus for controlling a volume of an audio signal and method thereof are disclosed, by which a volume of an input signal can be controlled by using a...
US-8,374,358 Method for determining a noise reference signal for noise compensation and/or noise reduction
The invention provides a method for determining a noise reference signal for noise compensation and/or noise reduction. A first audio signal on a first signal...
US-8,374,357 Audio output device
An audio output device includes: a main unit including a terminal configured to connect an external speaker; a speaker unit configured to be detachably attached...
US-8,374,355 Robust and efficient frequency-domain decorrelation method
An audio signal is processed by transforming the signal into a frequency domain representation having a plurality of frequency subbands. A decorrelated signal...
US-8,374,347 Method and apparatus for modifying a subsequently generated control command in a content control system
In record or content control management systems, various selected reference, record control, copy protection or control information signals, or other...
US-8,374,253 Wide-band multi-format audio/video production system with frame-rate conversion
A multi-format digital video production system enables a user to process an input video program to produce an output version of the program in a final format...
US-8,374,176 Method and apparatus for providing internet protocol datacasting (IPDC) service, and method and apparatus for...
Provided are a method and apparatus for providing an Internet Protocol Datacasting (IPDC) service. The IPDC service providing apparatus includes a data input...
US-8,374,087 Reliable audio-video transmission system using multi-media diversity
A system and method for switching data packet traffic distribution across diverse transmission medium according to detected quality of service characteristics...
US-8,373,740 Method and apparatus for video conferencing in mobile terminal
A method and apparatus for video conferencing in a mobile terminal are disclosed. The method includes receiving audio-visual signals comprising a video signal...
US-8,373,595 Simultaneous radio detection and bearing system
Provided is a simultaneous radio detection and bearing system. More specifically, the radio detection and bearing system includes an RF conditioning subsystem...
US-8,370,879 Connection interface for personal electronic devices with a television
A connection interface allows individuals (such as guests at a lodging facility) to use portable personal electronic devices (such as laptop computers, digital...
US-8,370,728 Digital broadcasting system and method of processing data in digital broadcasting system
A digital broadcasting system and a method of processing is provided. A receiving system may include a signal receiving unit, a first data processor, a second...
US-8,370,515 Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
The present invention is directed to voice communication devices in which an audio stream is divided into a sequence of individual packets, each of which is...
US-8,370,501 Gesturing to select and configure device communication
Described is a technology by which a gesture made with a source device (e.g., a cellular telephone), such as a throwing or pointing motion, is used to...
US-8,370,164 Apparatus and method for coding and decoding multi-object audio signal with various channel including...
Provided is an apparatus and method for coding and decoding multi-object audio signals with various channels and providing backward compatibility with a...
US-8,370,161 Responding to a call to action contained in an audio signal
An audio signal is monitored to detect the presence of a call to action contained therein. Addressing information is automatically extracted from the call to...
US-8,370,150 Character information presentation device
The text information presentation device calculates an optimum readout speed on the basis of the content of text information being input, its arriving time, and...
US-8,370,141 Device, system and method for enabling speech recognition on a portable data device
Devices, systems and methods for converting analog data to digital data or digital data to analog data for enabling speech recognition processing on a portable...
US-8,370,140 Method of filtering non-steady lateral noise for a multi-microphone audio device, in particular a "hands-free"...
A multi-microphone hands-free device operating in noisy surroundings implements a method of de-noising a noisy sound signal. The noisy sound signal comprises a...
US-8,370,138 Scalable encoding device and scalable encoding method including quality improvement of a decoded signal
A scalable encoding device is capable of improving quality of a decoded signal without increasing an encoding amount and compensating data with a sufficient...
US-8,370,134 Device and method for encoding by principal component analysis a multichannel audio signal
A system and a method for coding by principal component analysis (PCA) of a multi-channel audio signal comprising the following steps: decomposing at least two...
US-8,370,133 Method and device for noise filling
A method for perceptual spectral decoding comprises decoding of spectral coefficients recovered from a binary flux into decoded spectral coefficients of an...
US-8,369,973 Efficient asynchronous sample rate conversion
Asynchronous sample rate conversion for use in a digital audio receiver is disclosed. Different algorithms are applied for the upsampling and downsampling...
US-8,369,972 Methods and apparatus to perform audio watermarking and watermark detection and extraction
Encoding and decoding methods and apparatus as described. In one example, a method of embedding auxiliary information into an audio signal includes sampling the...
US-8,369,958 Independent and concurrent processing multiple audio input signals in a prosthetic hearing implant
A prosthetic hearing implant capable of independently and concurrently processing multiple audio input signals such that each audio input signal is separately...
US-8,369,841 Invoke facility service and its applications to compound wireless mobile communication services
Invented is a facility service to be used as a component service for building compound wireless mobile communication services (CWSs). The name ascribed to this...
US-8,369,813 Apparatus and method for reducing cross-talk between audio channels in a mobile terminal
An apparatus and a method for reducing cross-talk between audio channels in a mobile terminal are provided. The apparatus includes an ear jack, a radio signal...
US-8,369,681 Video reproducing apparatus
When a mark key of a remote control is pressed by a user during fast-forward reproduction of video images and audio sounds, a system control unit searches a...
US-8,369,680 System and method for synchronizing broadcast video with a secondary audio source
Embodiments of the disclosed invention include an apparatus, method, and computer program product for providing a video source with a secondary audio source....
US-8,369,556 Microphone pop filter
A microphone pop filter for attenuating plosive artifacts utilizes a substantially acoustically transparent material configured to define multiple airfoil...
US-8,369,551 Hearing aid with wireless signal transmission
A hearing aid with wireless signal transmission is provided which includes a radio reception unit for wireless reception of modulated and/or coded audio...
US-8,369,549 Hearing aid system adapted to selectively amplify audio signals
A hearing aid includes a microphone to convert sounds into electrical signals and a memory to store a plurality of voice prints and a plurality of sound-shaping...
US-8,369,548 Wireless headset device capable of providing balanced stereo and method thereof
A wireless earphone device capable of providing balanced stereo. The wireless headset includes a Bluetooth earphone device, an audio adaptor, and a stereo...
US-8,369,542 Power control apparatus, speaker apparatus and power control method
The speaker apparatus according to the invention is arranged in a manner that when the magnitude of an audio signal Sin increases temporarily and so a...
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...
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