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Patent Searching and Data


Matches 1 - 50 out of 1,997

Document Document Title
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...  
WO/2017/173046A1
Processes and devices for equalizing an audio system that is adapted to use a loudspeaker to transduce test audio signals into test sounds. The processes and devices can involve the use of infrared signals to convey information in one or...  
WO/2017/165361A1
In accordance with embodiments of the present disclosure, a method may include using an adaptive filter system to estimate a response of an electrical characteristic of a loudspeaker based on an error between a first electrical parameter...  
WO/2017/164380A1
Provided is a speaker operation confirmation device (10) comprising the following: a storage unit (11) which stores in advance, as a reference impedance characteristic, an impedance frequency characteristic of a speaker (40) during norma...  
WO/2017/163688A1
In a pilotless flying object detection system, a masking area setter sets a masking area to be excluded from detection of a pilotless flying object which appears in a captured image of a monitoring area, based on audio collected by a mic...  
WO/2017/158325A1
An earphone device/test station pairing (1, 2) comprising: an earphone device (1) comprising: at least one electroacoustic driver (32, 33, 34); a digital module (31) including a processor module; and a digital interface configured to con...  
WO/2017/141292A1
Provided is an audio reproduction device that is able to generate a sound having desired characteristics from a given speaker. This audio reproduction device is provided with: a signal amplifier that amplifies an input signal; a characte...  
WO/2017/139218A1
Various systems and methods are disclosed herein to increase the quality of the sound delivered to a user and allow personalization to optimize listening performance and comfort under atypical listening conditions, environment specific a...  
WO/2017/132597A3
Embodiments include a power source outputting power to drive speakers and lights in a venue; a control unit coupled to the power source and outputting multi-channel digital audio data to the speakers and light control data to the lights;...  
WO/2017/132594A3
A continuous time Class-D modulator with an embedded programmable logic device in a forward path. The FPGA is configured to provide synchronization control by deriving a synchronization clock for the modulator and monitoring a 1-bit PWM ...  
WO/2017/132583A3
An integrated cinema amplifier a power supply stage that distributes power over a plurality of channels for rendering immersive audio content in a surround sound listening environment. The amplifier automatically detects maximum and net ...  
WO/2017/129951A1
Apparatus for testing earphone apparatus (10) during manufacture, comprising: a head simulator (30) including an ear simulator (40) defining a passageway (42) leading to an external opening (44); and an eardrum microphone (46) mounted in...  
WO/2017/127367A1
Systems and methods are described for measuring capture performance of multiple voice signals. A first speech signal is applied to a device, and measured at a far-end of a testing environment. A second speech signal is separately applied...  
WO/2017/122099A1
A laser-based device or sensor includes: a first laser transmitter having a first self-mix carrier frequency; a second laser transmitter having a second, different, self-mix carrier frequency; a first monitor photodiode to receive a firs...  
WO/2017/117295A1
Systems and methods for active noise reduction and occlusion reduction based on seal quality of an in-the-ear (ITE) module inserted into a user's ear canal are provided. An example method includes receiving one or more acoustic signals. ...  
WO/2017/113899A1
Disclosed are a production-line-based microphone calibration method, device, and mobile terminal, and storage medium; said microphone is used for a mobile terminal, and said method comprises: receiving a sound signal collected by a first...  
WO/2017/102278A1
A loudspeaker assembly comprising: a first loudspeaker configured to receive a first electrical signal, and to produce sound along a first principal radiating axis based on the first electrical signal; a second loudspeaker configured to ...  
WO/2017/104358A1
Provided is a vehicle approach notification device (10) in which a speaker (20) is disposed between push-pull circuits (71, 72). The push-pull circuits (71, 72) amplify the power of a notification sound signal through respective push-pul...  
WO/2017/102172A1
Microphone systems and methods of determining absolute sensitivities of a MEMS microphone (100). The microphone system includes a speaker (155), the MEMS microphone (100), and a controller (205). The speaker (155) is configured to genera...  
WO/2017/106325A1
A passive ambient in-ear monitor includes a unidirectional sonic filter that allows ambient sound to pass through to the ear canal and be combined with sound generated by internal drivers. A sonic low pressure equalization device of a pr...  
WO/2017/106368A1
Systems and methods are described for an adaptive audio system that renders reflected sound for adaptive audio systems in different ways depending on the orientation of at least one speaker in a set of speakers. A speaker of the system m...  
WO/2017/097337A1
The present application relates to a user device: a processor (20) configured to process an audio signal to derive a first driving signal and a second driving signal, such that the first driving signal comprises only components of the au...  
WO/2017/096279A1
Disclosed herein are systems and methods enabling self-fitting by a non-expert consumer. The method in some examples involves transmitting a wireless command by a computing device to a hearing device in-situ to produce a sequence of test...  
WO/2017/090035A1
A system and method including receiving an activity signal from a detection unit, the activity signal indicative of detected activity, responsive to the received activity signal exceeding a predetermined threshold, switching a digital mi...  
WO/2017/089688A1
The invention relates to a method for estimating sound reverberation in a medium (7), which comprises the following steps: (a) a measurement step in which an acoustic signal emitted in the medium is collected; (b) a step of determining t...  
WO/2017/086937A1
The present principles generally relate to detection and analysis of sound events in a user's environment to automate changes to a multimedia player's state or action. The multimedia player characterizes ambient sound that it receives. T...  
WO/2017/083679A1
A microphone circuit having an amplifier with an input operably coupled to a microphone motor also includes a low pass filter operably coupled to the output of the amplifier and a positive feedback network that operably couples to an out...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 1,997