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Searching: audio signal





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Patent # Description
US-9,491,552 Electronic device having hearing aid compatibility
An electronic device having hearing aid capability is disclosed. The electronic device includes a linear resonance actuator (LRA). The LRA is configured to...
US-9,491,547 Audio playing system and audio playing method
An audio playing method is applied to at least one wireless speaker, at least one mobile terminal, and a cloud server. The method includes sending a wireless...
US-9,491,544 Frequency domain noise cancellation with a desired null based acoustic devices, systems, and methods
Frequency domain signal extraction methods and apparatuses include receiving a reference signal, which contains mostly undesired audio and is substantially void...
US-9,491,543 Method and device for improving audio signal quality in a voice communication system
A device and a method to improve quality of a signal in a lossy communication system are disclosed. One or more samples of the signal are received from a first...
US-9,491,542 Automatic sound pass-through method and system for earphones
Earphone systems and methods for automatically directing ambient sound to an earphone device are provided. An ambient microphone signal from an ambient...
US-9,491,541 Signal processing for eliminating speaker and enclosure buzz
An electronic device for buzz reduction is described. The electronic device is to be used with a speaker driver that is built onto an enclosure and is to be...
US-9,491,534 Monaural wireless headset
The present invention relates to a monaural wireless headset (20) that may e.g. be connected to a mobile phone by means of a Bluetooth connection. The present...
US-9,491,532 Adapter device to allow the monitoring of media exposure on consumer devices
Adapter devices are provided which are connectable to an audio connector of a media device. The audio connector of the media device is configured to receive an...
US-9,491,306 Signal processing control in an audio device
Methods, systems, and apparatus for controlling audio signal processing are described herein. In accordance with certain embodiments, a measure of coupling...
US-9,491,299 Teleconferencing using monophonic audio mixed with positional metadata
In some embodiments, a method for preparing monophonic audio for transmission to a node of a teleconferencing system, including steps of generating a monophonic...
US-9,491,237 Proximity based sharing
A system and method for sharing content with a group of devices based on proximity. A sharing device transmits an SSID and an audio signal containing a key. The...
US-9,491,219 Mobile device perceptive audio and video quality analysis using onboard test signals
Techniques described herein may use perceptual quality measurement techniques to test and/or evaluate communication sessions between mobile devices. A method...
US-9,491,214 Information-provision control method, information reproduction system, information-provision apparatus,...
When the information-provision apparatus is providing an audio signal to the specific information reproduction apparatus, the user enters an operation input to...
US-9,490,763 Audio signal output device and audio output system
This audio signal output device includes an audio signal output portion, a volume setting information acquisition portion, and a control portion acquiring...
US-9,489,980 Video/audio synchronization apparatus and video/audio synchronization method
A video/audio synchronization apparatus includes: a decoder configured to decode a frame contained in encoded video data and determine playback time of the...
US-9,489,964 Effective pre-echo attenuation in a digital audio signal
A method is provided for processing pre-echo attenuation in a digital audio signal generated from a transform coding, wherein, at the decoding point, the method...
US-9,489,963 Correlation-based two microphone algorithm for noise reduction in reverberation
Embodiments are directed towards providing speech enhancement of audio signals from a target source and noise reduction of audio signals from a noise source. A...
US-9,489,961 Controlling a noise-shaping feedback loop in a digital audio signal encoder avoiding instability risk of the...
A method and apparatus are provided for controlling the shaping of encoding noise during the ADPCM encoding of a digital audio input signal. The noise-shaping...
US-9,489,960 Bit allocating, audio encoding and decoding
A bit allocating method is provided that includes determining the allocated number of bits in decimal point units based on each frequency band so that a...
US-9,489,959 Device and method for bandwidth extension for audio signals
The purpose of the present invention is to more efficiently extend, using a low bit rate, the bandwidth of input signals having a harmonics structure, in order...
US-9,489,957 Audio encoder and decoder
The present disclosure provides methods, devices and computer program products for encoding and decoding a multi-channel audio signal based on an input signal....
US-9,489,956 Audio signal enhancement using estimated spatial parameters
Received audio data may include a first set of frequency coefficients and a second set of frequency coefficients. Spatial parameters for at least part of the...
US-9,489,953 Directional coding conversion
A directional coding conversion method and system includes receiving input audio signals that comprise directional audio coded signals into which directional...
US-9,489,950 Method and system for dual scoring for text-dependent speaker verification
Embodiments of systems and methods for speaker verification are provided. In various embodiments, a method includes receiving an utterance from a speaker and...
US-9,489,949 System and method for identifying and/or authenticating a source of received electronic data by digital signal...
A method for verifying and identifying users, and for verifying users' identity, by means of an authentication device capable of transmitting, receiving and...
US-9,489,937 Real-time noise reduction system for dynamic motor frequencies aboard an unmanned aerial vehicle (UAV)
Systems and methods for simultaneously capturing live audio and video feeds and reducing motor/rotor noise associated with the video feed for a multirotor...
US-9,489,558 Bar code reading terminal with video capturing mode
A bar code reading terminal can, in one embodiment, include a two-dimensional image sensor and an imaging assembly. The terminal can be configured, in response...
US-9,488,716 Microphone autolocalization using moving acoustic source
Provided are methods and systems for calibrating a distributed sensor (e.g., microphone) array using time-of-flight (TOF) measurements for a plurality of...
US-9,488,364 USB charger related products has built-in fluid and display unit
USB Charger related products have a built-in liquid display unit including decorative, reflective, and/or miniature items within a medium and an optional...
US-9,487,281 Submersible remotely operated vehicle
A submersible ROV is provided with four independently controllable swivel thruster assemblies that allow the submersible ROV to simulate the movement of a...
US-9,485,601 Surround audio compatibility assessment
A method for performing a surround audio compatibility assessment on a plurality of original surround channels is described herein. A surround audio...
US-9,485,600 Audio system, audio signal processing device and method, and program
An audio system including a first speaker and a second speaker that are arranged in front of a predetermined listening position to be substantially bilaterally...
US-9,485,597 System and method of processing a sound signal including transforming the sound signal into a frequency-chirp...
A system and method may be configured to process an audio signal. The system and method may track pitch, chirp rate, and/or harmonic envelope across the audio...
US-9,485,590 Hearing device with a means for receiver current estimation and a method of estimating a receiver current for a...
A hearing device with a unit for estimating the current consumed by the receiver of the hearing device. The hearing device includes a signal input unit for...
US-9,485,589 Enhanced dynamics processing of streaming audio by source separation and remixing
This application relates to a systems and methods for enhanced dynamics processing of streaming audio by source separation and remixing for hearing assistance...
US-9,485,578 Audio format
Mechanisms for obtaining an audio signal and information relating to the recording conditions of the audio signal are provided, the method comprising: obtaining...
US-9,485,577 Audio output device
Provided is an audio output device capable of preventing noises and improving the S/N ratio even if no audio signal is inputted in the middle of the input of...
US-9,485,576 Control of a loudspeaker output
A loudspeaker drive circuit comprises an input for receiving an audio signal and a signal processor for processing the audio signal before application to the...
US-9,485,561 Thermal powered wearable device
Embodiments disclosed herein generally relate to electronics powered by thermal energy. More particularly, embodiments of the present disclosure relate to...
US-9,485,043 Quadrature modulation apparatus for AM stereo transmitters
A modulation system for AM stereo transmission wherein in a combination of amplitude modulation and phase modulation allows a pair of unique audio channel...
US-9,484,964 Interactive entertainment system
Disclosed here is an interactive audio system and a method of operating the same. In one embodiment, the interactive audio system comprises a processor and a...
US-9,484,876 Control of a switched mode power supply and linear power supply for an audio device
An audio device and an output method thereof are provided. The audio device includes: an envelope detector configured to detect an envelope of an input audio...
US-9,484,044 Voice enhancement and/or speech features extraction on noisy audio signals using successively refined transforms
Voice enhancement and/or speech features extraction may be performed on noisy audio signals using successively refined transforms. Downsampled versions of an...
US-9,484,039 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof, the method including receiving a downmix signal including at least one normal object signal, and...
US-9,484,038 Apparatus and method for merging geometry-based spatial audio coding streams
An apparatus for generating a merged audio data stream is provided. The apparatus includes a demultiplexer for obtaining a plurality of single-layer audio data...
US-9,484,011 Echo modulation methods and system
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be...
US-9,484,008 Method and apparatus for down-mixing of a multi-channel audio signal
A method for down-mixing of a m-channel audio signal (L, R, C, Ls, Rs, Rss, Lss) into a n-channel audio signal (Ro, Lo, Rso, Lso), where m is an integer for...
US-9,483,573 Context awareness in auditory browsing
In a method for generating an audio summary of a portion of an electronic document, a user input selecting a focus position within a rendered electronic...
US-9,483,229 Audio apparatus for portable devices
An audio apparatus for a portable device is provided. The portable device includes computing hardware coupled to associated data memory, which stores one or...
US-9,483,115 Triggering control of audio for walk-around characters
A control system for selectively operating a sound system provided in a walk-around character costume. e.g., to play audio files in an order defined by a dialog...
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