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Searching: audio signal





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Patent # Description
US-9,955,250 Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
A personal audio device including multiple output transducers for reproducing different frequency bands of a source audio signal, includes an adaptive noise...
US-9,955,246 Gradient micro-electro-mechanical systems (MEMS) microphone with varying height assemblies
In at least one embodiment, a micro-electro-mechanical systems (MEMS) microphone assembly is provided. The assembly comprises an enclosure, a single...
US-9,955,245 Wireless sound-emitting device and system for remotely controlling a sound-emitting device
A wireless sound-emitting device includes a housing adapted to be coupled to a wall at a source of electric power, a loudspeaker positioned at a periphery of...
US-9,955,230 OFDM based broadcast communication system
FDM based broadcast transmitter arrangement for transmitting a digital audio/video information signal, wherein an encoded version of the digital audio/video...
US-9,955,207 Interface for interchangeable entertainment systems
An interface system is configured to toggle audio and visual signals on a touring bus. The interface system includes a plurality of video displays, electrically...
US-9,954,506 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
The invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal...
US-9,954,505 Audio output control method and electronic device supporting the same
Disclosed is an audio output control method and an electronic device supporting the same. The audio output control method includes determining an output of an...
US-9,954,494 Method and circuit for suppressing pop noise in an audio operation amplifier
A method for suppressing POP noise in an audio operation amplifier, comprising: connecting a first resistor and a second resistor in series at an output stage...
US-9,953,663 Method of and apparatus for evaluating quality of a degraded speech signal
The present invention relates to a method of evaluating quality of a degraded speech signal received from an audio transmission system conveying a reference...
US-9,953,659 Apparatus and method for audio signal envelope encoding, processing, and decoding by modelling a cumulative sum...
An apparatus for generating an audio signal envelope from one or more coding values is provided. The apparatus includes an input interface for receiving the one...
US-9,953,656 Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
An audio decoder for providing at least four audio channel signals on the basis of an encoded representation is configured to provide a first residual signal...
US-9,953,640 Systems and methods of interpreting speech data
Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of...
US-9,953,499 Alarm notifying system
A sound amplification apparatus includes one or more microphones that convert collected sound into an audio signal and transmit the audio signal by radio and a...
US-9,953,388 Systems and methods of monitoring the unloading and loading of delivery vehicles
In some embodiments, provide apparatuses and methods to estimate unload states. Some of these embodiments include system to monitor unloading of product...
US-9,952,994 Integrated multimedia terminal system and control method thereof
An integrated multimedia system and a control method are provided, in which, when a USB port is reset during a misrecognition and malfunction of a USB connected...
US-9,952,826 Audio mixer system
An audio mixer system and method is provided. The audio mixer system includes an audio interface, an audio signal processor, and a control circuit. The control...
US-9,952,825 Audio processing algorithms
Examples described herein involve determining an audio processing algorithm for a playback device to apply when playing audio content in a playback zone....
US-9,949,693 Touch sensitive system and method for cognitive and behavioral testing and evaluation
Portable operatively simple touch screen apparatus uses testing methods and systems that are free of age and language constraints include special signal...
US-9,949,057 Stereo and filter control for multi-speaker device
A portable electronic device includes at least four speakers spaced apart from one another. An audio processor attenuates a high frequency portion of a left...
US-9,949,056 Method and apparatus for presenting to a user of a wearable apparatus additional information related to an...
A method for modifying an audio scene and/or presenting additional information relevant to the audio scene includes capturing audio signals from the audio scene...
US-9,949,054 Spatial mapping of audio playback devices in a listening environment
Method and apparatus for spatial mapping of two or more audio playback devices in a listening environment. Two or more playback devices may signal each other....
US-9,949,053 Method and mobile device for processing an audio signal
A method for processing an audio signal includes: decomposing an audio signal comprising spatial information into a set of audio signal components; and...
US-9,949,049 Apparatus and method of detecting audio jack
An audio jack detection circuit includes an impedance detecting circuit configured to generate a detection signal corresponding to an impedance between a ground...
US-9,949,047 Method for controlling audio signal and electronic device supporting the same
An electronic device is provided including a housing, an opening formed on a side of the housing, a hole connected to the opening, a receptacle disposed inside...
US-9,949,043 Method and apparatus for preserving the spectral clues of an audio signal altered by the physical presence of a...
Application of a hearing aid alters the distribution of sound pressure at the tympanic membrane in the ear. Measurements of sound pressure of a free ear and...
US-9,949,042 Audio processing pipeline for auditory prosthesis having a common, and two or more stimulator-specific,...
An audio processing pipeline, for an auditory prosthesis, includes: a common stage, including a common frequency analysis filter bank, configured to generate a...
US-9,949,040 Peer to peer hearing system
The application relates to: A hearing system comprising first and second hearing aid systems, each being configured to be worn by first and second persons and...
US-9,949,035 Transducer devices and methods for hearing
A device to transmit an audio signal to a user may comprise a mass, a piezoelectric transducer, and a support to support the mass and the piezoelectric...
US-9,949,032 Directivity speaker array
Some embodiments provide a directivity speaker array, comprising multiple driver assemblies, which is configured to provide audio signal patterns, which include...
US-9,949,031 Class-D amplifier with pulse density modulation output feedback for higher performance acoustic echo canceller
A system for processing audio data comprising an amplifier configured to receive an audio signal and to perform nonlinear processing on the audio signal. An...
US-9,949,029 Audio filtering with virtual sample rate increases
The present invention relates broadly to a method of digitally filtering an audio signal by applying a composite audio filter. The composite audio filter may be...
US-9,949,027 Systems and methods for handling silence in audio streams
Systems and methods for handling silence in audio streams are disclosed. In one aspect, a transmitter detects a halt in an audio stream. After detection of the...
US-9,949,026 Audio monitor signal interception device
The present disclosure generally provides an apparatus and method of providing a performer with a desired combined mix of one or more performer's voices,...
US-9,949,024 Method and apparatus for controlling output based on type of connector
A method of controlling the output according to a type of connector and an electronic device adapted to the method are provided. The method includes determining...
US-9,949,021 Intelligent conversation control in wearable audio systems
An apparatus is configured to rest on a wearer's neck or shoulders, and has a first microphone positioned at a first position located on the right side of the...
US-9,949,015 Wireless headset carrying case with wireless transmitter
A case for a wireless electronic listening device (e.g., a pair of wireless earbuds) is configured to house a pair of wireless earbuds and charge the earbuds...
US-9,949,009 Wireless in-ear headphones
A headphone system including a first earpiece, a second earpiece, and a coupler. The headphone system receives a wireless signal having audio content from an...
US-9,949,004 Sound and vibration transmission device
An apparatus capable of transmitting sound and vibrations to a user is described. The apparatus may also generate an electromagnetic field sufficient to...
US-9,948,997 Providing interactivity options for television broadcast content
Methods and system for providing interactive media for broadcast content includes receiving navigation input to a first channel that presents content of the...
US-9,948,994 Transmission of digital audio signals using an internet protocol
Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having...
US-9,948,973 Receiving a broadcast stream
An apparatus and method for receiving a broadcast stream is provided. The apparatus is configured to receive key information and additional information through...
US-9,948,892 Wireless speaker devices for wireless audio/video recording and communication devices
A wireless speaker device configured for use with a wireless A/V recording and communication device, such as a doorbell. The wireless speaker device, which...
US-9,948,792 Methods and apparatus for enhancing ringback tone quality during telephone communications
A system for enhancing tonal quality for ringback signals in a telecommunications network by adjusting audio processing during an alerting interval of a...
US-9,948,261 Method and apparatus to equalize acoustic response of a speaker system using multi-rate FIR and all-pass IIR...
A speaker system includes an electronic signal processing unit configured to split an input audio signal into a low-pass audio component and a high-pass audio...
US-9,948,257 Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
Phantom-powered inline preamplifiers capable of variable impedance loading are disclosed with unique adjustable interfaces. By enabling a user to adjust...
US-9,948,045 Audio/video signal transmission connector
The audio/video signal transmission connector provided in this application, relates to the field of TV; use partition and integration arrangement corresponding...
US-9,947,339 Method and apparatus for managing audio signals
A method comprising: detect a first acoustic signal by using a microphone array; detecting a first angle associated with a first incident direction of the first...
US-9,947,338 Echo latency estimation
A device that determines an echo latency estimate by combining reference signals. The device may determine the echo latency corresponding to an amount of time...
US-9,947,336 Acoustic echo mitigation apparatus and method, audio processing apparatus and voice communication terminal
The present application provides an acoustic echo mitigation apparatus and method, an audio processing apparatus and a voice communication terminal. According...
US-9,947,335 Companding apparatus and method to reduce quantization noise using advanced spectral extension
Embodiments are directed to a companding method and system for reducing coding noise in an audio codec. A compression process reduces an original dynamic range...
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