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Searching: audio signal





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Patent # Description
US-9,275,624 Audio processing apparatus
An audio processing apparatus includes an acquisition unit configured to acquire an audio signal, and an audio processing unit configured to reduce noise...
US-9,275,621 Apparatus, method and computer program for adjustable noise cancellation
An apparatus including: at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code...
US-9,275,617 Systems and methods for choreographing movement using location indicators
Methods and apparatus for choreographing movement of individuals for a performance event are disclosed. In an embodiment, a method includes providing a...
US-9,275,615 Information processing terminal that displays information related to a function selected based on a positional...
A sound generating system in the embodiment of the invention includes an information processing terminal displaying a screen relating to a setting for...
US-9,275,540 Methods and apparatus for contingency communications
Methods and systems for contingency communication are disclosed. In one embodiment, a method for providing emergency services may be performed by a portable...
US-9,275,539 Apparatus and method for providing emergency alert service in portable terminal
An apparatus and method for providing an emergency alert service in a portable terminal and for generating an alarm for the emergency alert service are...
US-9,275,136 Method for siren detection based on audio samples
The present disclosure provides methods and apparatuses that enable an apparatus to identify sounds from short samples of audio. The apparatus may capture an...
US-9,274,748 Transforming a tactually selected user input into an audio output
A contextual input device includes a plurality of tactually discernable keys disposed in a predetermined configuration which replicates a particular...
US-9,274,745 Remote control and synchronization of multiple audio recording looping devices
A musical apparatus including a first audio looping device for being electrically coupled to a second audio looping device is provided. The first audio looping...
US-9,274,606 NUI video conference controls
A system and method providing gesture controlled video conferencing includes a local capture device detecting movements of a user in a local environment and an...
US-9,273,878 Device interface for a building appliance
A smart phone or a tablet may execute an application program code to identify a diagnostic status associated with a time-coded signal emitted by a low-cost user...
US-RE45,909 Video decoding apparatus, video decoding method, and digital audio/video playback system capable of controlling...
A video decoding apparatus capable of controlling presentation of sub-pictures includes a first decoder, a second decoder, a first scaler, a second scaler and a...
US-9,271,314 Bluetooth communication method and system
A Bluetooth communication method and system for enabling one Bluetooth device to rapidly connect to another Bluetooth device using an audio signal, and also...
US-9,271,160 Matching devices based on information communicated over an audio channel
A first device periodically transmits a first audio signal that encodes a first code over an audio channel that is shared between the first device and a second...
US-9,271,103 Audio control based on orientation
A device may be configured to sense its own orientation with respect to a coordinate system, and to also sense the orientation of a user's head with respect to...
US-9,271,102 Multi-dimensional parametric audio system and method
Systems and methods that use ultrasonic emitters for producing multi-dimensional parametric audio are provided. The systems and methods can be configured to...
US-9,271,101 System and method for transmitting/receiving object-based audio
Provided is a system and method for transmitting/receiving an object-based audio. The system includes: a pre-processing unit for receiving an audio signal from...
US-9,271,099 Method and apparatus to use audio port to provide power and data communications for peripheral devices
Techniques for providing power and communicating data via an audio interface to a peripheral device are described herein. In one embodiment, a peripheral device...
US-9,271,097 Method and apparatus to evaluate audio equipment via filter banks
A testing method or apparatus utilizes filter banks to measure time varying or dynamic harmonic distortion or intermodulation distortion. With a stairstep...
US-9,271,096 Delay unit for a conference audio system, method for delaying audio input signals, computer program and...
A delay unit (16) for a conference audio system (1) adapted to delay audio input signals for an adjustable time delay, thereby generating audio output signals,...
US-9,271,081 Method and device for enhanced sound field reproduction of spatially encoded audio input signals
A method for sound field reproduction into a listening area of spatially encoded first audio input signals according to sound field description data using an...
US-9,271,078 Audio output device capable of switching a sound field
An audio output device includes a housing, a speaker, a switching unit, a fixing component and a control unit. An opening is formed on the housing. The speaker...
US-9,271,076 Enhanced stereophonic audio recordings in handheld devices
Methods and systems are provided for enhanced stereo audio recordings in electronic devices. Stereophonic recording performance in an electronic device, using a...
US-9,270,929 Formatting audio-video information compliant with first transmission format to second transmission format in...
Techniques and mechanisms for formatting digital audio-video ("AV") information. In an embodiment, interface logic includes circuitry to receive digital AV...
US-9,270,807 Audio localization using audio signal encoding and recognition
A positioning network comprises an array of signal sources that transmit signals with unique characteristics that are detectable in signals captured through a...
US-9,270,801 Low power audio trigger via intermittent sampling
Systems and methods may provide for using an audio front end of a mobile device to sampled audio from an audio signal during a first portion of a periodic...
US-9,270,387 Mobile device with an underwater communications system and method
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-9,270,307 Method and apparatus for improving audio reception in a paging device
A method (300) and apparatus (200) are provided for operating a portable pager. The method and apparatus eliminate channel noise between paging tones and voice...
US-9,270,244 System and method to detect close voice sources and automatically enhance situation awareness
A system and method for enhancing two-way conversation between a user wearing at least one communication system or earphone and a second individual in proximity...
US-9,269,372 Adaptive transition frequency between noise fill and bandwidth extension
A method for spectrum recovery in spectral decoding of an audio signal, comprises obtaining (210) of an initial set of spectral coefficients representing the...
US-9,269,370 Adaptive speech filter for attenuation of ambient noise
According to a preferred aspect of the instant invention, there is provided a system and method that allows the user to attenuate ambient noise in speech...
US-9,269,367 Processing audio signals during a communication event
A method of processing audio signals during a communication session between a user device and a remote node, includes receiving a plurality of audio signals at...
US-9,269,364 Audio encoding/decoding based on an efficient representation of auto-regressive coefficients
Described is an encoder (50) for encoding a parametric spectral representation (f) of auto-regressive coefficients that partially represent an audio signal. The...
US-9,269,363 Audio data hiding based on perceptual masking and detection based on code multiplexing
A spread spectrum data hiding for audio signals is described. A set of pseudo-random noise sequences is added to an audio signal according to a data to be...
US-9,269,362 Method and system for blind audio watermarking
A method and system for blind audio watermarking has been envisaged. The system embeds an in-audible watermark by modifying a predetermined singular value in...
US-9,269,361 Stereo parametric coding/decoding for channels in phase opposition
A method and apparatus for the parametric encoding of a stereo digital-audio signal. The method includes encoding a mono signal produced by downmixing applied...
US-9,269,360 Using multichannel decorrelation for improved multichannel upmixing
A system of linear equations is used to upmix a number N of audio signals to generate a larger number M of audio signals that are psychoacoustically...
US-9,269,345 Signal processing
The electronic device and a corresponding signal processing method disclosed herein reduces electromagnetic noise. To that end, the electronic device includes a...
US-9,269,343 Method of controlling an update algorithm of an adaptive feedback estimation system and a decorrelation unit
An audio processing device comprises a feedback estimation system for estimating feedback from an output transducer to an input transducer, the feedback...
US-9,269,084 Apparatus and method for commercial transactions using a communication device
An apparatus for effecting commercial transactions with a server using a transaction card via a communication device is provided. The apparatus includes a...
US-9,269,045 Auditory source separation in a spiking neural network
A method of audio source segregation includes selecting an audio attribute of an audio signal. The method also includes representing a portion of the audio...
US-9,268,910 Modifying a person's eating and activity habits
A system for managing the food intake of a person comprises means for collecting information about food consumed by the subject, and means for providing...
US-9,268,846 Systems and methods for program identification
Systems and methods are provided for program identification. For example, a first audio fingerprint corresponding to a first audio signal is acquired; whether...
US-9,268,522 Devices and methods for conveying audio information in vehicles
Various methods and devices for vehicles are provided, wherein directional output of sound is used. In some embodiments, speech signals assigned to different...
US-9,266,136 Apparatus for displaying, monitoring and/or controlling shower, bath or sink faucet water parameters with an...
The present invention is a display apparatus for affixation to shower head, bath or sink faucet water supply piping or incorporated within a shower, or bath or...
US-9,264,838 System and method for variable decorrelation of audio signals
Various embodiments relate to a system and method for decorrelating an audio signal with a hybrid filter. The hybrid filter is generated by first generating a...
US-9,264,836 System for adjusting perceived loudness of audio signals
A method of adjusting a loudness of an audio signal may include receiving an electronic audio signal and using one or more processors to process at least one...
US-9,264,834 System for modifying an acoustic space with audio source content
An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry...
US-9,264,830 Audio level meter
A circuit for correcting the output of an audio level meter comprises input means for generating the square or the absolute value of an input signal, a low pass...
US-9,264,828 Sound level dosage system for vehicles
Audio systems for a vehicle and methods of operating an audio device in a vehicle cabin are provided. A method of operating an audio device directs an acoustic...
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