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WO/2017/081861A1 |
In this audio output device, a first band elimination filter is connected in series between a first speaker, and an amplification unit for amplifying an audio signal. A second band elimination filter is connected in series between a seco...
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WO/2017/077708A1 |
In an object, for example, a pilotless flying object detection system, an omnidirectional camera as a first camera images a monitoring area. A microphone array acquires audio of the monitoring area. A monitoring apparatus uses the audio ...
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WO/2017/075766A1 |
The present invention discloses a MEMS microphone chip trimming method, apparatus, manufacturing method and microphone. The method for trimming MEMS microphone chips comprises: detecting a pull-in voltage distribution of MEMS microphone ...
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WO/2017/078262A1 |
The present invention relates to a speaker switch and a controller that are added to a public address system, and more specifically to an apparatus that has speaker switches for connecting or blocking audio signals transmitted to termina...
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WO/2017/071159A1 |
Disclosed are a message reminding method and system for a mobile terminal. The method comprises: when a mobile terminal and a Bluetooth earphone are in a connected state, determining whether the Bluetooth earphone is in an idle state; an...
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WO/2017/069811A1 |
A time domain impulse response filter may be used to equalize signals in the time domain to avoid error and artifacts that are introduced by domain transforms such as the IFFT. The disclosed time domain impulse response filter is based o...
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WO/2017/066708A2 |
A method of calibrating an earphone may include: securing an ANC earphone to a calibration fixture, the calibration fixture including an ear model configured to support the ANC earphone, the ear model having an ear canal configured to an...
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WO/2017/060566A1 |
Physiology-based selection of performance enhancing music for a specific individual. Internal effort data and external work data both measured from a user performing an exercise while listening to a specific music track are obtained. The...
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WO/2017/055808A1 |
This application relates to methods and apparatus for thermal protection of a loudspeaker (102). A controller (106) is configured to generate a control signal (G mod) for modulating the gain of a signal processing chain (101) that drives...
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WO/2017/059209A1 |
This invention provides a system and method that is used to detect gunfire or explosions in an area with a sound system such as a movie, stage or theater setting, by differentiating the sounds in the presentation from those occurring in ...
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WO/2017/049171A1 |
Examples described herein involve validating motion of a microphone during calibration of a playback device. An example implementation involves receiving motion data indicating movement of a recording device while the recording device wa...
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WO/2017/049169A1 |
An example method, and example devices and computer-readable media related to the example method, are disclosed herein. The method includes, as a computing device is moving within an environment of a playback device, capturing, via a mic...
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WO/2017/044417A1 |
A method of synchronizing playback of audio data sent over a first wireless network from an audio source to a wireless speaker package that is adapted to play the audio data. The method includes comparing a first time period over which a...
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WO/2017/039632A1 |
A relative location and orientation of microphone arrays relative to each other is estimated without actively producing test sounds. In one instance, the relative location and orientation of a second microphone array relative to a first ...
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WO/2017/037341A1 |
In accordance with an example aspect of the present invention, an apparatus is provided, the apparatus comprising at least one processing core, at least one memory including computer program code, the at least one memory and the computer...
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WO/2017/036988A1 |
A system and method for testing a wireless earpiece which provides improved efficiencies in manufacturing. Automated testing of one or more printed circuit boards of the wireless earpiece is initiated. The semi-assembled wireless earpiec...
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WO/2017/035771A1 |
The embodiments of the invention relate to a voice path check method, device, and terminal. The method is adopted to check a voice path of a communication terminal comprising a primary microphone and a secondary microphone. The method co...
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WO/2017/039911A1 |
Examples are disclosed herein that relate to identifying and localizing devices in an environment via an augmented reality display device. One example provides, on a portable augmented reality computing device, a method including establi...
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WO/2017/032555A1 |
The invention relates to a MEMS sound transducer, in particular MEMS loudspeaker and/or MEMS microphone, for generating and/or detecting sound waves in the audible wavelength spectrum, comprising a carrier element (9), a membrane (2) whi...
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WO/2017/035304A1 |
A system and a method of indicating the reception of voice in a hearing assistance system that is constructed and arranged to assist a user to better hear the voice of another person. The hearing assistance system includes a detector tha...
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WO/2017/024359A1 |
Disclosed is a visual aid system for assisting hearing-impaired individuals. The system comprises a light emitter, a sound detector and a signal processor. The light emitter is capable of emitting different colours of light. The sound de...
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WO/2017/019427A1 |
A shielded electronic array is provided and includes a main plate having opposing first and second major surfaces, first and second electronic devices disposed on respective first portions of the first and second major surfaces, respecti...
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WO/2017/006509A1 |
The present invention is provided with: an ear-shaped unit including an ear model resembling a human ear, an artificial external auditory canal part constituting a part of an artificial external auditory canal extending from the ear mode...
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WO/2017/003958A1 |
An audio capture system for a sports camera includes at least one "enhanced" microphone and at least one "reference" microphone. The enhanced microphone includes a drainage enhancement feature to enable water to drain from the microphone...
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WO/2016/206939A1 |
Systems and methods of generating independent adjustable bias voltages for a differential microphone. The microphone system includes a positive adjustable charge pump, a positive sense capacitor, a negative adjustable charge pump, a nega...
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WO/2016/209098A1 |
For a multiple microphone system, a phase response mismatch may be corrected. One embodiment includes receiving audio from a first microphone and from a second microphone, the microphones being coupled to a single device for combining th...
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WO/2016/203117A1 |
A wearable device configured to be modeled as both a part of the source and a part of the load in an electro-acoustical source- and-load model of a system where a sound source is coupled to the ear canal. Such a wearable device may be us...
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WO/2016/200593A1 |
The examples provided herein involve multiple groups in a playback system. A multi-zone scene of a media playback system may comprise at least first and second zones. The first zone may comprise at least two zone players. A user input is...
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WO/2016/192348A1 |
Disclosed are a method and system for testing the temperature tolerance limit of a loudspeaker. The method comprises: selecting a test signal, and determining a test output voltage so as to enable a loudspeaker to reach a rated amplitude...
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WO/2016/192379A1 |
A method and system for simultaneously verifying amplitude and temperature parameters of an electroacoustic conversion apparatus, and a controller. The method comprises: S1. connecting a sweep signal to an electroacoustic conversion appa...
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WO/2016/189285A1 |
A nonlinear control system and a speaker protection system are disclosed. In particular, a control system for adapting an audio output from a speaker in the proximity of an object is disclosed. The controller is configured to accept one ...
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WO/2016/190983A1 |
An audio processor has a number of ports that are configurable as input or output ports. Each port includes a jack, an input audio circuit and an output audio circuit. A switch is controllable to selectively connect an output of the outp...
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WO/2016/186464A1 |
An apparatus for evaluating the performance of an ultrasonic transducer, comprises: a transducer assembly which transmits/receives ultrasonic waves by having an ultrasonic transducer and an acoustic medium; a storage unit which stores a ...
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WO/2016/176007A1 |
Systems and methods are described that may provide audio information about an environment around a wearable device. Such audio information may be correlated with other biometric data to provide physiological information, e.g. regarding a...
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WO/2016/172170A1 |
Systems and methods of audio card programming and testing are disclosed. The programming and testing device comprises a housing, a data storage device contained within the housing, a radio transmission device contained within the housing...
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WO/2016/166025A1 |
The invention relates to a calibration unit (20) for an audio system (2) having a generator (4) for generating a pilot tone (6), and a detector (16a-c) for the pilot tone (6), wherein at least one parameter (P1, 2) determining the pilot ...
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WO/2016/164268A1 |
Medical treatment devices and methods may include a speaker operable to broadcast one or more types of sounds, wherein each type of sound may be associated with a predefined sound signature. An acoustic transducer may be used to generate...
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WO/2016/155340A1 |
Disclosed is a structure for use in detecting vibration displacement of a speaker, comprising: a vibration system provided with a movable electrode plate; a magnetic circuit system; and a fixed electrode plate arranged below the vibratio...
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WO/2016/136221A1 |
This measurement method for evaluating an electronic device 100 that transmits air-conducted sound generated on the basis of the vibration of a vibrating body 102 to a user by bringing the vibrating body 102 into contact with an ear of a...
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WO/2016/134788A1 |
An integrated circuit arrangement (20) for a microphone (12) comprises an amplifier circuit (22) and a control unit (30). The amplifier circuit (22) comprises a first switchable network circuit (26) for adjusting an amplifier current of ...
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WO/2016/118294A1 |
Embodiments related to outputting spatial audio via a portable computing device are presented. For example, one disclosed embodiment provides a portable computing device for wirelessly detecting a presence of a remote speaker external to...
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WO/2016/111983A1 |
A method is provided for testing a MEMS microphone. The MEMS microphone includes a pressure sensor positioned within a housing and a pressure input port to direct acoustic pressure from outside the housing towards the pressure sensor. An...
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WO/2016/111330A1 |
This evaluation method for an audio device and device for the evaluation method are for evaluating performance of an audio device by inputting into the audio device a sound signal having a waveform in which a plurality of waves with diff...
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WO/2016/105712A1 |
In one embodiment, a method for speaker operation comprises sensing an input common mode signal of a driver, wherein the driver drives a speaker, and adjusting the input common mode signal of the driver based on a difference between the ...
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WO/2016/106296A1 |
A system and a method are provided for testing a MEMS microphone during manufacture by using a film to obstruct the acoustic ports of the microphone. The microphone testing is performed while the microphones are still in an array and mou...
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WO/2016/094875A1 |
An array of audio transducers includes an optical emitter, for example, and without limitation, a light emitting diode (LED), associated with each transducer. Simultaneous stimulation of all transducers illuminates all LED's. An imager t...
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WO/2016/088323A1 |
In this emergency report apparatus (7) for a vehicle, diagnostic data is modulated using a predetermined diagnostic modulation method involving a diagnostic carrier wave, and a diagnostic electric signal is output to a voice output devic...
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WO/2016/082563A1 |
A universal audio adapter apparatus and electronic device. The universal audio adapter apparatus comprises: an adapter apparatus audio interface and an adapter circuit; the adapter apparatus audio interface at least comprises a first pin...
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WO/2016/083971A1 |
Low frequency active acoustic absorber by acoustic velocity control through porous resistive layers. The invention provides an electroacoustic device for wide band low frequency absorption. The device comprises at least one electroacoust...
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WO/2016/079513A1 |
There is disclosed a portable programmable device including a battery, a memory and a terminal connectable to earpieces, the device including in the memory a calibration file, parameter or parameters relating to audio sensitivity of the ...
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