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Searching: audio signal





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Patent # Description
US-9,460,729 Layered approach to spatial audio coding
The invention provides a layered audio coding format with a monophonic layer and at least one sound field layer. A plurality of audio signals is decomposed, in...
US-9,460,728 Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus...
A method for encoding multi-channel HOA audio signals for noise reduction comprises steps of decorrelating the channels using an inverse adaptive DSHT, the...
US-9,460,727 Audio encoder for wind and microphone noise reduction in a microphone array system
An audio system encodes and decodes audio captured by a microphone array system in the presence of wind noise. The encoder encodes the audio signal in a way...
US-9,460,726 Method and device for decoding an audio soundfield representation for audio playback
Soundfield signals such as e.g. Ambisonics carry a representation of a desired sound field. The Ambisonics format is based on spherical harmonic decomposition...
US-9,460,725 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-9,460,724 Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for...
An audio signal decoder for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric...
US-9,460,723 Error concealment strategy in a decoding system
A decoding system reconstructs an audio signal based on an input signal representing the audio signal by parametric coding or by n discretely coded channels....
US-9,460,701 Systems and methods for adaptive noise cancellation by biasing anti-noise level
A processing circuit may comprise an adaptive filter having a response generating an anti-noise signal from a reference microphone signal, a secondary path...
US-9,460,700 Equipment, system and method for improving exercise efficiency in a cardio-fitness machine
A system, equipment and process to guide a user in the experience of rhythmic exercise. Playback of an audio signal, such as a musical phrase, that has known...
US-9,460,696 Displaying content in relation to music reproduction by means of information processing apparatus independent...
A music reproduction apparatus includes a reproduction section for reproducing user-selected music piece data, a generation section for generating control...
US-9,460,695 Synthesizer with bi-directional transmission
An audio or visual system may include an encoder to encode electrical signals generated by an instrument such as a stringed instrument to music control message...
US-9,460,204 Apparatus and method for scene change detection-based trigger for audio fingerprinting analysis
Certain aspects of an apparatus and method for scene change detection-based trigger for audio fingerprinting analysis may include a content-rendering device...
US-9,460,090 Method of recognizing situation requiring translation and performing translation function, and electronic...
Disclosed are a method of recognizing a translation situation and performing a translation function, and an electronic device implementing the same. The...
US-9,459,768 Audiovisual capture and sharing framework with coordinated user-selectable audio and video effects filters
Coordinated audio and video filter pairs are applied to enhance artistic and emotional content of audiovisual performances. Such filter pairs, when applied in...
US-9,457,190 Coordinating musculoskeletal and cardiovascular hemodynamics
The present invention is generally directed to methods, systems, and computer program products for coordinating musculoskeletal and cardiovascular hemodynamics....
US-9,456,289 Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use...
A method includes, for each of a number of subbands of a frequency range and for at least first and second frequency-domain signals that are frequency-domain...
US-9,456,288 System and method for use in analyzing vibrations
A system for use in analyzing vibrations of an electrical machine is provided. The system includes a conversion computing device including at least one...
US-9,456,286 Method for operating a binaural hearing system and binaural hearing system
The present invention proposes a method for operating a binaural hearing system with two hearing devices (1, 1') operationally interconnected by means of a...
US-9,456,284 Dual-element MEMS microphone for mechanical vibration noise cancellation
Disclosed are systems, devices, and methods for minimizing mechanical-vibration-induced noise in audio signals. In one aspect, a microphone is disclosed that...
US-9,456,278 Speaker device
A speaker device includes a signal processing section and a speaker array that includes a first speaker units group and a second speaker units group. The signal...
US-9,456,277 Systems, methods, and apparatus to filter audio
Systems, methods, and apparatus to filter audio are disclosed. An example method includes determining that an orientation of a playback device is one of (a) a...
US-9,456,276 Parameter selection for audio beamforming
An audio beamformer receives signals from microphones of an array and processes the signals to produce a directional audio signal that emphasizes sound from a...
US-9,456,275 Cardioid beam with a desired null based acoustic devices, systems, and methods
An acoustic system includes first one or mole acoustic elements designed and arranged in a first manner to facilitate generation of a first signal that includes...
US-9,456,272 Button-press detection and filtering
The disclosure provides a button-press detection and filtering method, related circuit, and button-press detection chip for a external device. A button-press...
US-9,456,271 Method and apparatus for outputting audio signal
An audio signal outputting apparatus and method for adjusting an output gain of an audio signal are provided. The audio signal outputting apparatus includes: a...
US-9,456,270 Headset apparatus registering movement in the housing
An apparatus comprising: a housing containing a speaker for delivering sound waves; and a sensing element for detecting air movement in the housing and further...
US-9,456,268 Method and device for background mitigation
An earpiece includes an Ambient Sound Microphone (ASM) configured to measure a background noise signal, an Ear Canal Receiver (ECR) configured to deliver audio...
US-9,456,262 Display device with a detachable speaker module
A display device includes a monitor, a stand, and a speaker module. The monitor includes a first side and a second side. An accommodating groove is formed on...
US-9,456,255 Method for processing an audiovisual content and corresponding device
The invention relates to a method for processing an audiovisual content aiming to censure scenes called sensitive scenes, for example scenes comprising sex...
US-9,456,238 Portable audio/video playback apparatus
A portable audio/video playback apparatus of the present invention comprises an apparatus main body 1 and a broadcast receiver unit 4 removably attached to the...
US-9,456,178 System and method for providing separate communication zones in a large format videoconference
A system that incorporates the subject disclosure performs, for example, displaying a video image of a remote scene at a display surface, wherein the remote...
US-9,456,166 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-9,456,073 Apparatus and method for controlling built-in microphone of portable terminal
An electronic device and method are provided. The electronic device includes a built-in microphone; a Bluetooth communication module configured to wirelessly...
US-9,454,975 Voice trigger
Voice trigger. In accordance with a first method embodiment, a long term average audio energy is determined based on a one-bit pulse-density modulation bit...
US-9,454,970 Processing multichannel audio signals
In order to enable audio applications for a mobile device that utilize more than one audio input, a peripheral audio device is provided for encoding...
US-9,454,969 Multichannel audio coding
Multiple channels of audio are combined either to a monophonic composite signal or to multiple channels of audio along with related auxiliary information from...
US-9,454,968 Digital audio transmitter and receiver
A method is shown for increasing the fidelity of digitally encoded audio, by an interleaving the signal step, frequency conversion step, and polynomial...
US-9,454,952 Systems and methods for controlling noise in a vehicle
Methods and apparatus are provided for controlling noise in a compartment. The audio system includes an error microphone configured to receive sounds and...
US-9,454,895 Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
Various methods, systems, and devices for identifying a low battery charge of a smoke detector are presented. For example, a device may include a smoke...
US-9,454,343 Creating spectral wells for inserting watermarks in audio signals
A method for a machine or group of machines to watermark an audio signal may include receiving the audio signal, receiving a watermark signal, creating a...
US-9,451,378 Method and apparatus to reproduce multi-channel audio signal in multi-channel speaker system
A method and an apparatus to reproduce a multi-channel audio signal, in which mixing of a center channel signal is performed with a center channel signal in a...
US-9,451,370 Method for operating a hearing device as well as a hearing device
A method for operating a hearing device worn by a hearing device user. The method includes picking up an audio signal (a) by an input transducer of the hearing...
US-9,451,369 Hearing aid with beamforming capability
A hearing aid includes a first microphone for providing a first audio input signal, a second microphone for providing a second audio input signal, a signal...
US-9,451,365 Voice coil speaker
There is provided a voice coil speaker containing a bobbin having multilayer voice coils formed thereon in which the bobbin and a circuit board are properly...
US-9,451,363 Method and apparatus for playback of a higher-order ambisonics audio signal
An advantage of Ambisonics representation is that the reproduction of the sound field can be adapted individually to nearly any given loudspeaker position...
US-9,451,360 Muting a sound source with an array of microphones
A processing system can include tracking microphone array(s), audio-tracking circuitry configured to detect a location of audio sources from audio signals from...
US-9,451,351 In-ear headphone
A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing,...
US-9,451,349 Earphone assembly with moisture resistance
An acoustic system includes a conduit, a microphone coupled to an end of the conduit, and a rigid moisture resistant barrier coupled to another end of the...
US-9,451,300 System and method for providing an interactive, visual complement to an audio program
A system and method for providing an interactive, visual complement to one or more audio programs. In one aspect, the system comprises an audio subsystem for...
US-9,451,214 Indoor surveillance system and indoor surveillance method
A surveillance system and method are provided. The surveillance system includes an audio processing device which extracts an audio feature of an audio signal,...
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