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Searching: audio signal





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Patent # Description
US-9,258,647 Obtaining a spatial audio signal based on microphone distances and time delays
Examples disclose a method to receive a first audio signal at a first microphone positioned at an actual distance from a second microphone. Additionally, the...
US-9,258,646 Self-powered audio speaker having modular components
Embodiments of the invention include a speaker system having the ability to accommodate one or more transmission protocols as well as multiple upgrade paths....
US-9,258,645 Adaptive phase discovery
In an adaptive phase discovery system a first audio signal is received via a first microphone and a second signal is received via a second microphone....
US-9,258,642 Audio-optical arrangement, accessory, earpiece unit and audio device
There is provided an arrangement, an accessory, an audio device, and at least one earpiece unit. The accessory is suitable for an audio device capable of...
US-9,258,641 Method and system of audio capture based on logarithmic conversion
Audio capture based on logarithmic conversion. At least some of the illustrative embodiments are methods including capturing audio represented by an electrical...
US-9,258,640 Compact noise suppression circuit for small speakers
A compact noise suppression circuit for a small speaker system and having a circuit board with a left signal input connection and a right signal input...
US-9,258,604 Commercial detection based on audio fingerprinting
A commercial detection system generates a probe audio fingerprint of an audio signal associated with a media stream on a broadcast channel and determines...
US-9,258,603 Method and system for achieving higher video throughput and/or quality
Digital data, including audio and video, may be communicated at increased data rates by utilizing non-data signal channels in cables to communicate additional...
US-9,258,428 Audio bandwidth extension for conferencing
In one embodiment, a method includes extracting, by a processor, components from an audio signal to generate a modulating signal. The audio signal is generated...
US-9,258,415 Communication device and related methods for offline data record modification and synchronization with a...
Communication devices configured to assist hearing-impaired users and related methods are disclosed that synchronize unclean data records of a local database...
US-9,258,407 Portable electronic device having plurality of speakers and microphones
A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling...
US-9,258,392 Method and apparatus for generating metadata of immersive media
Disclosed are a method and an apparatus for generating metadata of immersive media and disclosed also are an apparatus and a method for transmitting metadata...
US-9,258,071 Wireless communication session initiation based on a frequency modulation (FM) radio data service (RDS)
A wireless communication system wirelessly receives a Frequency Modulation (FM) signal including audio data and Radio Data System (RDS) data. The wireless...
US-9,258,055 Wireless earpiece and wireless microphone to service multiple audio streams
A wireless microphone and wireless earpiece each may exchange radio frequency (RF) signals with a base unit and render content contained within the exchanged RF...
US-9,257,953 Digital equalizing filters with fixed phase response
An equalization filter structure for filtering an audio signal within an audio system is disclosed. The equalization filter comprises a first and a second...
US-9,257,951 Differential amplifier
An amplifier for amplifying a differential audio signal, having common-mode rejection and digital gain control, includes a current source (401) which supplies a...
US-9,257,945 Amplifier apparatus
Disclosed is a technique for reducing noise superimposed on an output signal while keeping loop gain constant without increasing the circuit scale and without...
US-9,257,942 Audio amplifier apparatus
An audio amplifier apparatus for driving a loudspeaker is provided. The audio amplifier apparatus includes a soft charge unit, a first amplification module, and...
US-9,257,835 Output-stage circuit and method for over current protection thereof and audio amplify system
An output-stage circuit is disclosed. The output-stage circuit includes high-side output driver, first body selector, low-side output driver, second body...
US-9,257,132 Dominant speech extraction in the presence of diffused and directional noise sources
A method of dominant speech extraction is provided that includes acquiring a primary audio signal from a microphone and at least one additional audio signal...
US-9,257,128 Apparatus and method for coding and decoding multi object audio signal with multi channel
Provided are an apparatus and method for coding and decoding a multi object audio signal with multi channel. The apparatus includes: a multi channel encoding...
US-9,257,127 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-9,257,125 Audio frame timing correction method and wireless device
An audio frame timing correction method and a wireless device are provided. A controller generates a reference clock for audio coding/decoding such that the...
US-9,257,124 Apparatus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-9,257,120 Speaker verification using co-location information
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying a user in a multi-user environment. One of the...
US-9,257,022 Haptic effect conversion system using granular synthesis
A system is provided that converts an input, such as audio data, into one or more haptic effects. The system applies a granular synthesis algorithm to the input...
US-9,257,019 Method and apparatus for generating an audio notification file
A method and apparatus for generating an audio notification file for a computing device are provided. A first audio file associated with a first mental state is...
US-9,256,280 Digital camera which detects a connection to an external device
An electronic camera and method of operating an electronic camera which detects whether an external device such as a personal computer is properly connected to...
US-9,255,983 Systems and methods for tracking a user's location
Techniques for tracking a current location of a user are described. According to various embodiments, an ambient noise signal proximate to a user device is...
US-9,255,982 Apparatus and method for the binaural reproduction of audio sonar signals
An apparatus and a method for the binaural reproduction of audio sonar signals, which can be direction-selectively received by a sonar system having a receiving...
US-9,254,787 Method and system for utilizing spread spectrum techniques for in car applications
A method of operating an audio system in an automobile includes identifying a user of the audio system. An audio recording playing on the audio system is...
US-9,254,381 Device, method and application software for curing of body ailments using low-level electrical current waveforms
A method for changing clusterization pattern of water molecules in the human body in order to speed up the healing process. A mobile device has an application,...
US-9,253,586 Devices, methods and computer program products for controlling loudness
A method by an electronic device for controlling a frequency response of audio output includes: receiving an audio signal at the device; estimating a sound...
US-9,253,585 Speaker apparatus
A speaker apparatus includes speaker units, a first inputting section to which one channel audio signal is supplied, a second inputting section to which at...
US-9,253,583 Automated fitting of hearing devices
Fitting a sound processing device for an individual is automated using a computer. Fitting and customization is carried out using natural sounds without...
US-9,253,581 Method of controlling an effect strength of a binaural directional microphone, and hearing aid system
A hearing aid system has at least two hearing aid devices to be worn on both sides of a wearer's head. The hearing aid devices have a transducer for picking up...
US-9,253,575 Power management system and method thereof
A power management system coupled to a speaker module includes a monitor module for measuring a current signal and a voltage signal of the speaker module to...
US-9,253,572 Methods and systems for synthetic audio placement
Methods and systems for providing synthetic audio placement are described herein. In different aspects, the methods and systems may include a connection port to...
US-9,253,570 Crossover based canalphone system
A canalphone system may include a high audio driver carried by a canalphone housing, and a low audio driver carried by the canalphone housing adjacent to the...
US-9,253,568 Single-microphone wind noise suppression
A technique for suppressing non-stationary noise, such as wind noise, in an audio signal is described. In accordance with the technique, a series of frames of...
US-9,253,564 Noise-canceling headphone depletion-mode switch
This document discusses, among other things, systems and methods including a depletion-mode switch configured to pass an audio signal from an input to an output...
US-9,253,559 Audio input detection
Methods, systems, and apparatus, for detecting that a component of a mobile device other than a card reader connected to the audio jack is a source of an input...
US-9,253,558 Headphone
The utility model provides a headphone, comprising a headband, left and right two ear pads and a holder. Two ends of the headband are separately provided with a...
US-9,253,464 Method and system for manipulation of audio or video signals
A method and system for manipulation of audio or video signals.
US-9,253,435 Method and apparatus for extracting a desired television signal from a wideband IF input using re-sampling
Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals, that are transmitted...
US-9,253,007 Methods and systems for rapid detection of digital content within RF signals
Systems and methods are disclosed for rapid detection of digital content within received radio frequency (RF) signals. The disclosed embodiments digitize...
US-9,252,899 Adaptive bandwidth management of IBOC audio signals during blending
A method and apparatus are provided for smoothly blending analog and digital portions of a composite digital audio broadcast signal by using look ahead metrics...
US-9,252,877 Voice communication unit
A voice communication unit for communicating through a barrier is provided, enabling handicapped persons to use the device, and comprising an outer audio unit,...
US-9,252,730 Audio processing device and audio systems using the same
An audio processing device is provided. The audio processing device includes a shaper. The shaper receives a digital input audio signal and generates an output...
US-9,251,807 Acoustic communication device and method for filtering an audio signal to attenuate a high frequency section of...
An acoustic communication method and device are provided that filter an audio signal to attenuate a high frequency section of the audio signal; generate a...
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