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Patent Searching and Data


Matches 1 - 50 out of 2,043

Document Document Title
WO/2018/110269A1
The present technology relates to an HRTF measurement method, an HRTF measurement device, and a program which enable an individual head related transfer function to be more simply acquired. The HRTF measurement device displays an image w...  
WO/2018/102293A1
A MEMS may include a backplate comprising first and second electrodes electrically isolated from one another and mechanically coupled to the backplate in a fixed relationship relative to the backplate, and a diaphragm configured to mecha...  
WO/2018/099631A1
The invention relates to an active vibration absorption system (10) for absorbing vibration of a vibrating element (12). The vibration absorption system (10) comprises a body-borne sound exciter (14) having a coupling element (16) for co...  
WO/2018/102614A1
An active audio output detection system and method that automatically determines the type of audio output being used on an audio playback device. Embodiments of the system and method include playing back audio content on the audio playba...  
WO/2018/102018A1
Example aspects of the present disclosure are directed to providing tactile bass response by a user device. For instance, a first audio signal can be caused to be output by a first user device and a second user device. A playback delay c...  
WO/2018/102368A1
A speaker model may implement a direct voltage-to-excursion model in an adaptive filter for modeling the speaker without developing a first electrical-only model and then converting the model to a mechanical model. The voltage-to-excursi...  
WO/2018/097932A1
An apparatus and method for controlling an audio power circuit (180). The audio power circuit (180) includes an audio amplifier (210) having a power input (215) and a speaker (190) connected to the audio amplifier (210). The audio power ...  
WO/2018/095026A1
An earphone test circuit, comprising a decoding unit (U11), a coding unit (U12), a storage unit (U13), a USB jack (J2), and a 3.5 mm jack (J1). The storage unit (U13) is configured to store a digital audio signal (DR) and send the digita...  
WO/2018/095025A1
Disclosed is an earphone testing circuit, comprising a decoding unit, a storage unit, a 3.5 mm jack adapted to be connected to a playback device, and a USB jack adapted to be connected to an earphone to be tested. The storage unit is con...  
WO/2018/087622A1
An internal failure detection method of an external failure detection system for industrial equipment, said external failure detection system comprising an array of transducers, the method comprising : (a) receiving (3011, 3012,...) a pl...  
WO/2018/087590A2
A differential microphone array includes a plurality of microphones situated on a substantially planar platform, the plurality of microphones including a total number (M) of microphones and at least two subsets of the plurality of microp...  
WO/2018/085025A1
A method of controlling a personal acoustic device includes generating a first electrical signal responsive to an acoustic signal incident at a microphone disposed on an earpiece of the personal acoustic device. A characteristic of a tra...  
WO/2018/077800A1
An acoustic signaling system and method include providing a signaling tone signal; processing the signaling tone signal to provide a processed signaling tone signal; and converting the processed signaling tone signal into signaling sound...  
WO/2018/081121A1
The present invention is adapted to assist in optimizing the performance of a hearing aid by detecting conditions which result in sub-optimal performance and assisting a user or health care professional to correct those conditions. The p...  
WO/2018/081035A1
Example acoustic emission sensors with integral acoustic generators are disclosed. Example apparatus disclosed herein include an acoustic receiver, an acoustic generator, and a wear plate. The acoustic generator is disposed adjacent to t...  
WO/2018/069572A1
A method, apparatus and computer program product provide an improved filter calibration procedure to reliably equalize the long term spectrum of the audio signals captured by first and second microphones that are at different locations r...  
WO/2018/071390A1
A GPEQ filter and tuning methods for asymmetric transaural audio reproduction on mobile consumer devices. The GPEQ filter includes an asymmetric FIR filter bank configured to normalize the magnitude responses of at least two audio speake...  
WO/2018/070046A1
This failure detection apparatus is provided with: an output unit that outputs from an audio output device a confirmation signal formed by a frequency in a band other than an audible band; an input unit to which an input signal is inputt...  
WO/2018/064879A1
Disclosed is a method for speaker fault processing. The method comprises the following steps: detecting whether a speaker is faulty; and insofar as any speaker is detected to be faulty, transmitting data of the faulty speaker to a faultl...  
WO/2018/053047A1
A spatialized audio system includes a sensor to detect a head pose of a listener. The system also includes a processor to render audio data in first and second stages. The first stage includes rendering first audio data corresponding to ...  
WO/2018/052791A1
Described in detail herein are methods and systems for identifying actions based on detected sounds in a facility. An array of microphones can be disposed in a facility. The microphones can detect various sounds and encode the sounds in ...  
WO/2018/051369A2
Methods and apparatus for a battery-less, noise-cancellation headset compatible with 4-pin audio jack are generally described herein. An example device to support a noise cancellation function may include an audio socket including a micr...  
WO/2018/052655A1
An audio capture device selects between multiple microphones to generate an output audio signal depending on detected conditions. When the presence of wind noise or other uncorrected noise is detected, the audio capture device selects, f...  
WO/2018/052585A1
A method for reducing vibration noise by an electronic device is described. The method includes obtaining an audio signal. The audio signal includes vibration noise. The method also includes obtaining vibration data from one or more moti...  
WO/2018/048647A1
According to one aspect, there is provided a speaker comprising a body, a surface structure rigidly attached to the body, electro-magnetic deformable plate elements attached to the rigid planar surface structure and configured to bend, w...  
WO/2018/028630A1
Disclosed are an ear coupling detection method, and a terminal. The method comprises: acquiring a pressure parameter and a pressure distribution parameter of a pressure touch control screen; and according to the pressure parameter and th...  
WO/2018/024974A1
The invention relates to a calibration device (30) comprising a sound pick-up system (31) comprising microphones (40) connected to an audio signal processing device (34), the calibration device further comprising an enclosure (32) at lea...  
WO/2018/026201A1
The present invention relates to a method for determining attributes and a state of a wireless stereo headset element. Specifically, the present invention relates a system and method for determining attributes and a state of a wireless s...  
WO/2018/026799A1
A sound bar is provided which includes a generally elongate rectangular structure, with one angled output face having a plurality of speakers disposed therein, to thereby provide enhanced audio output. The sound bar is beneficially provi...  
WO/2018/027156A1
Example techniques involve determining a direction of an NMD. An example implementation includes causing two audio drivers to output audio content, where the audio drivers are positioned at a known distance apart in a given azimuthal pla...  
WO/2018/017448A1
A method for synchronizing audio playback by the audio playback devices of a group with at least two audio playback devices, where the group is part of a larger zone of audio playback devices, and where one audio playback device of the z...  
WO/2018/017338A1
Embodiments include a communication system and method for establishing a wireless communication system. A method may comprise monitoring, by a first headset, a distance between the first headset and a second headset; when the distance be...  
WO/2018/013959A1
Example techniques may involve performing aspects of a spectral calibration using an applied spatial calibration. An example implementation may include receiving data representing spatial filters that correspond to respective playback co...  
WO/2018/004530A1
Commands for modifying audio playback, such as to mute and unmute or pause and play audio, may be input to a mobile device by a user through interacting with the speaker in the device. The user input may be facilitated by monitoring a ch...  
WO/2018/004559A1
In accordance with embodiments of the present disclosure, a system may include a controller configured to be coupled to an audio speaker, wherein the controller receives an output signal indicative of a physical quantity associated with ...  
WO/2017/222597A1
Implementations disclose a mesh network of nearby mobile devices as a combined speaker system for audio. A method includes detecting one or more other computing devices within a geographic vicinity of a computing device, transmitting a c...  
WO/2017/220235A1
The invention relates to an activating device (1) for activating an external sensor device (12), comprising a plurality of sound converting devices (10-i; 10a; 10b) with respective resonance frequencies and respective sensitivities, said...  
WO/2017/220816A1
A method for simulating the total harmonic distortion of a loudspeaker, the method comprises performing a linear simulation or measurement to determine a real speaker displacement, performing a linear or non-linear lumped element model p...  
WO/2017/220866A1
According to an example embodiment, a method for operating an arrangement of a mobile communication device that comprises an audio processing means communicatively coupled to an accessory device that comprises an audio transducer means i...  
WO/2017/218857A1
A method for measuring sound from vortices in the carotid artery comprising: a first and second quality control provisions, wherein the quality control compares detected sounds to pre-determined sounds, and upon confirmation of the quali...  
WO/2017/210052A1
A method of pre-processing audio for playback through an audio greeting card having at a speaker array of two or more speakers and an audio control circuit, by defining one or more device parameters associated with the greeting card, mea...  
WO/2017/203900A1
An audio processing system equipped with a speaker, multiple microphones, and an audio processing device. The audio processing device is equipped with: multiple filters that allow audio signals of sound picked up by the multiple micropho...  
WO/2017/203484A1
In general, the subject matter described in this disclosure can be embodied in methods, systems, and computer-readable devices. An audio processing device plays a source audio signal with an electroacoustic transducer of a user earpiece,...  
WO/2017/197309A1
A system includes a first device having a microphone associated with a voice user interface (VUI) and a first network interface, a first processor connected to the first network interface and controlling the first device, a second device...  
WO/2017/197312A3
A plurality of microphones are positioned at different locations. A dispatch system in communication with the microphones derives a plurality of audio signals from the plurality of microphones, computes a confidence score for each derive...  
WO/2017/191097A1
The present invention relates in one aspect to a method of controlling or limiting diaphragm excursion of a loudspeaker. The method comprising steps of receiving a first audio signal and deriving an excursion signal representing diaphrag...  
WO/2017/185342A1
A method and apparatus for determining a voice input anomaly, a terminal, and a storage medium. The method is applied to an electronic device provided with an audio capture module, and comprises: determining whether an amplitude value of...  
WO/2017/187136A1
An earphone test system (20) comprising: a plurality of test stations (22) each operative to perform a function during testing of an earphone device (12) coupled thereto;wherein during testing of earphone devices (12) coupled to the plur...  
WO/2017/167876A1
In a capacitive MEMS microphone, the pull-in point is determined via variation of the bias voltage, and the current pull-in voltage as well as the corresponding pull-in capacity between the membrane and back electrode is also determined....  
WO/2017/172916A1
A sound testing chamber comprises a sound proof enclosure, a speaker system and an electronic noise generator system. The speaker system is disposed within the sound proof enclosure. The electronic noise generator system is electronicall...  

Matches 1 - 50 out of 2,043