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WO/2016/071221A1 |
The present invention relates to a method for calibrating a set of headphones comprising - performing for each person of a test group of at least 10 persons the following steps : performing a first measurement over a given frequency rang...
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WO/2016/069812A1 |
Systems and techniques for detecting blockage associated with a microelectromechanical systems (MEMS) microphone of a device are presented. The device includes a MEMS acoustic sensor and a processor. The MEMS acoustic sensor is contained...
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WO/2016/051945A1 |
The present invention monitors the sounding state of a speaker even when a discretionary sound is broadcast. A loudspeaker device is configured so as to be provided with: a reception unit for receiving a sound signal and outputting the r...
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WO/2016/053432A1 |
Various exemplary embodiments relate to a method and apparatus for processing audio signals to influence the reproduction of the audio signals. The apparatus may include a speaker, a headphone (over-the-ear, on-ear, or in-ear), a microph...
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WO/2016/046152A1 |
The system and method includes positioning a mobile device with a built-in loudspeaker at a first location in a listening environment and at least one microphone at least one second location in the listening environment; emitting test au...
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WO/2016/046541A1 |
Embodiments of the invention provide an apparatus that will allow the user or a third party to easily monitor the volume levels of a set of headphones before and during use so as to prevent damage to the anatomy of the user's ears as a r...
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WO/2016/044362A1 |
An over-the-ear hearing assessment device and a method for evaluating the performance of over-the-ear hearing devices are described. An exemplary over-the-ear hearing assessment device includes an ear cup defining an interior volume and ...
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WO/2016/040143A1 |
An audio system testing arrangement includes a controller coupled to a communication bus of a motor vehicle. The controller runs test scripts via the communication bus. The test, scripts are for testing features of an audio system within...
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WO/2016/040325A1 |
Examples described herein involve calibration of a microphone of a device. An example implementation involves identifying a microphone calibration algorithm based on: first data indicating a first audio signal detected by a microphone of...
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WO/2016/034665A1 |
The invention relates to a MEMS, comprising a membrane, a reciprocating structure, which is coupled to the membrane, and at least two piezoelectric actuators, which are connected, by means of a plurality of connecting elements spaced apa...
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WO/2016/032918A1 |
A computer4mpl.emested system tor nearfield gunshot and explosion detection comprising a hardware device with a differential air pressure sensor, a pressure amplifier that amplifies pressure signals generated by the differential air pres...
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WO/2016/020835A1 |
Embodiments of an electromechanical transducer are presented. The electromechanical transducer includes a plurality of magnets and a substrate having a patterned conductive coil of at least one turn. The plurality of magnets are arranged...
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WO/2016/022357A1 |
An acoustic apparatus includes a mechanical shell, a first electronic component, a first connector, and a receiver. The mechanical shell is generally cylindrical in shape and forms a cavity, the shell having an inner surface, the inter s...
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WO/2016/004356A1 |
A method of processing audio may include receiving, by a computing device, a plurality of real-time audio signals outputted by a plurality of microphones communicatively coupled to the computing device. The computing device may output to...
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WO/2016/000921A1 |
The invention relates to a programmable digital sound reproduction system (10), comprising a controller (12) and a plurality of active loudspeaker chassis (14) that are connected to the controller (12) for communication purposes, wherein...
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WO/2016/004345A1 |
A method of processing audio may include receiving, by a computing device, a plurality of real-time audio signals outputted by a plurality of microphones communicatively coupled to the computing device. The computing device may output to...
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WO/2015/197373A1 |
A host interface for a media device comprises a first and a second host audio terminal (HAT1, HAT2) for receiving a first and a second analog audio signal, a first and a second connector audio terminal (CAT1, CAT2) for connecting a first...
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WO/2015/187042A1 |
An automated microphone calibration starts with reference microphone calibration. Measurements are scaled to sound pressure levels (SPLs). The reference microphone is positioned close to the internal microphones and their frequency respo...
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WO/2015/185931A1 |
This application relates to methods and apparatus for determining the temperature of a voice coil of a loudspeaker (204), for instance as part of a system (208) for protecting the loudspeaker from overheating. The method comprises drivin...
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WO/2015/181727A2 |
Disclosed are methods, circuits, devices, systems and associated computer executable code for acquiring, processing and rendering acoustic signals. According to some embodiments, one or more direction specific audio signals may be genera...
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WO/2015/175511A1 |
Embodiments of the present invention are directed to a system and method for demonstrating spatial performance of a demonstration speaker model to consumers in order to evaluate different speakers. The system and method comprise a microp...
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WO/2015/169354A1 |
A MEMS microphone which is able to be set to different modes of operation is proposed that requires one single pin to apply an external clock frequency to the microphone. The applied clock frequency is selected according to a desired mod...
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WO/2015/162309A1 |
The invention relates to equipment for measuring environmental noise, comprising one or more secondary noise-measurement devices (2) equipped with at least means for taking instantaneous sound pressure measurements (SPL) and transmitting...
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WO/2015/162736A1 |
Provided are the following: an examination method that can, for each specification of a device which generates sound or vibrations, examine the device by determining the optimal examination filter from among a plurality of filters; an ex...
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WO/2015/158847A1 |
The invention relates to a method using at least one loudspeaker enclosure (10) comprising: at least one module (26) for generating a value representative of the internal operation of the loudspeaker enclosure (10); and a memory unit for...
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WO/2015/160361A1 |
An approach for supervision of an audio path within an audio system (100) that conserves power while operating in battery mode by temporarily turning off pre-determined audio components of the audio system (100) when not performing super...
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WO/2015/160364A1 |
An approach for configuring macro buttons for voice system activation in an alarm system by an alarm system operator that simplifies application of multiple activation and deactivation voice messages during fire alarm events and mass not...
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WO/2015/158848A1 |
The invention relates to a method using a plurality of devices (10) that can be connected to at least one remote unit (20), each device comprising: a memory unit (36) for storing at least one identifier (38) of the device and at least on...
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WO/2015/157426A2 |
A system, method and program product for improved techniques for sound management and sound localization is provided. The present invention provides for improving sound localization and detection by inputting a predetermined location's d...
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WO/2015/149871A1 |
A microphone assembly (1) is provided, the assembly comprising a transducer (2) and an electronic circuit (3) operatively connected to the transducer (2). The electronic circuit (3) comprises a test mode circuitry (12) for selectively se...
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WO/2015/142486A1 |
Systems and methods for electrical testing of noise in a multi-membrane micro-electro-mechanical systems (MEMS) microphone are disclosed. The MEMS system has a test mode that includes placing the microphones' MEMS biasing networks into a...
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WO/2015/143127A1 |
A nonlinear control system includes a controller, a model updater, and a model. The controller is configured to accept one or more input signals, and one or more updates generated by the model updater to produce one or more control signa...
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WO/2015/137905A1 |
Methods and systems consistent with the present invention provide an improved system that supervises the operation of a backup amplifier. The method comprises receiving an indication that a primary amplifier failed; determining a configu...
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WO/2015/138116A1 |
A self-testing electro-mechanical capacitive sensor system. The system includes an electro-mechanical capacitive sensor and a controller. The controller is configured to receive a signal to activate a test mode, and upon receiving the si...
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WO/2015/128390A1 |
A method for determining equalization filter parameters for a headphone, the method includes determining a composite response curve based on an average of amplitude response values measured from a plurality of measurement locations, the ...
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WO/2015/128238A1 |
The invention relates to a device for controlling a loudspeaker (14) in a speaker enclosure, comprising: - an input for an audio signal (Saudio_ref) to be reproduced; - an output for supplying an excitation signal from the loudspeaker. T...
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WO/2015/128389A1 |
A method for measuring acoustic parameters of a headphone. The method includes driving a headphone transducer with a test signal for emitting one or more acoustic signals, measuring the one or more emitted acoustic signals from a plurali...
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WO/2015/128237A1 |
The invention relates to a device for controlling a loudspeaker (14) in a loudspeaker enclosure, comprising: - an input for an audio signal (S audio_ref ) to be reproduced; - an output for supplying an excitation signal from the loudspea...
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WO/2015/129862A1 |
One of the purposes of the present invention is to provide a pop noise reduction tool capable of exhibiting an excellent pop noise reduction effect even when the tool is arranged relatively close to the diaphragm of a microphone or a mic...
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WO/2015/118643A1 |
Disclosed is an audio device wherein: values of currents flowing in output terminals of amplifying circuits (4a, 4b) are compared with each other when same phase and opposite phase detection signals are outputted to the amplifying circui...
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WO/2015/119783A1 |
A wearable audio device having corresponding computer-readable media comprises: a processor; a microphone configured to provide first audio to the processor, wherein the first audio represents first sounds received by the microphone; and...
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WO/2015/101105A1 |
An interaction apparatus comprises: a loudspeaker array, comprising speaker units, where each speaker unit is configured to make sound according to an input signal; an obstacle detection module, configured to detect an obstacle parameter...
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WO/2015/101106A1 |
A loud-speaking apparatus can comprise a loudspeaker array comprising multiple loud-speaking units, wherein each loud-speaking unit is configured to produce sound according to an input signal; a fault detection module, configured to dete...
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WO/2015/098009A1 |
A measurement system for evaluating an electronic device in which a vibrating body is pressed up against a person's ear and sounds based on the vibration of said vibrating body are conveyed to the user. Said measurement system includes t...
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WO/2015/092305A1 |
The method for estimating at least one parameter of an acoustic assembly comprising a plurality of radiating elements sharing a same enclosure including at least one electroacoustic transducer, comprises: a digital modelling (E10) based ...
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WO/2015/088909A1 |
Certain embodiments provide a system and method for measurement of the force applied to a bone-conduction oscillator during application to a subject, resolving the measured force relative to a pre-determined criteria, and providing an in...
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WO/2015/088984A1 |
One embodiment of the present invention sets forth a technique for providing audio enhancement to a user of a listening device. The technique includes reproducing a first audio stream, such as an audio stream associated with a media play...
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WO/2015/083653A1 |
A 1:N audio wireless transmission system having a plurality of audio receiving-side speaker devices provided per source device. If an error occurs in a speaker device, the system reduces the likelihood of the same error occurring in othe...
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WO/2015/067846A1 |
An apparatus comprising: an input configured to receive at least two microphone signals associated with at least one audio source; an audio source determiner configured to determine from at least part of the at least two microphone signa...
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WO/2015/067853A1 |
The invention relates to a method and a loudspeaker for storing equalization settings in an active loudspeaker (1) including a loudspeaker cabinet (5), at least one driver (2) connected to the cabinet (5) and an amplifier electronics (3)...
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