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Patent Searching and Data


Matches 1 - 50 out of 2,260

Document Document Title
WO/2019/186403A1
A voice-activated encoding method includes determining a voice power parameter based on a frequency domain representation of a voice signal from a voice microphone. The method includes determining an ambient power parameter based on a fr...  
WO/2019/191478A2
Example techniques may involve headphone interaction. An implementation may include while headphones are disconnected from a control device, the control device receiving an indication of particular audio content being played back by a fi...  
WO/2019/178739A1
Disclosed in the present technical solution is a speaker and intelligent terminal-based interactive control method, comprising: a speaker establishes a connection to an intelligent terminal; a microphone of the speaker collects sound inf...  
WO/2019/170874A1
An electronic device comprising circuitry configured to obtain an audio signal of a first passenger of a vehicle and to control a loudspeaker array to generate at least one virtual sound source that reproduces the audio signal obtained f...  
WO/2019/145408A1
A signal processing system and method is disclosed for applying time-based effects to an N-channel audio input signal for reproduction on a set of loudspeakers having a predetermined configuration. A first M-channel audio signal is produ...  
WO/2019/142881A1
A speaker controller (3) has a switch (380) inserted in the middle of a speaker wiring that supplies a sound signal to a speaker (4), a switch control circuit (300) for retrieving an ON/OFF control signal that indicates the ON/OFF of a s...  
WO/2019/136460A1
A system (400) and method for incorporating Voice-Controlled ("VC") or smart speaker system features into a separate high-performance host loudspeaker system (604) includes a "Smart Puck" VC module (404) programmed to incorporate VC func...  
WO/2019/130788A1
This sound volume control device is connected to a sound output system which amplifies a signal of broadcast sound from a broadcast sound source and outputs the amplified signal from a speaker. The sound volume control device is provided...  
WO/2019/127020A1
A wireless audio transmission system, comprising a wireless audio transmitter (100b) matching an audio input device in a plug-in manner and used for sending an audio signal, and a wireless audio receiver (100a) connected to an audio outp...  
WO/2019/123636A1
A broadcasting system (10) is provided with one loop (1) designed to transmit a signal to a speaker (3) and constituted by a plurality of signal lines (2), one or a plurality of isolators (40) arranged between the signal lines (2) consti...  
WO/2019/110805A1
Systems and techniques are provided for audio synchronization and delay estimation. Audio metadata including a first discrete Fourier transform representation may be received. An audio signal may be pre-processed. A second discrete Fouri...  
WO/2019/097161A1
The invention relates to a public address method for live broadcast, in a helmet (7), of an audio signal (8) conditioned from a plurality of raw audio channels (6), characterised in that it comprises: a pre-processing phase (100) compris...  
WO/2019/081848A1
The present invention relates to a spatial arrangement (1000) for optimising the broadcasting of a sound signal and thus replacing the conventional stereo systems. For this purpose, the spatial arrangement (1000) is capable of broadcasti...  
WO/2019/083902A1
A security system can use video analytics and/or other input parameters to identify a theft event. Optionally, the security system can take remedial action in response. For example, the security system can use video analytics to determin...  
WO/2019/074564A1
Systems and methods are disclosed for adaptation of presentation speed for content presentation (e.g., audio content presentation). For example, methods may include obtaining an indication of motion within a space; adjusting a presentati...  
WO/2019/072401A1
In some implementations, the disclosed technology determines that a microphone is likely closer to a sound source compared to other microphones partially based on determining a spectral standard deviation associated with an audio signal ...  
WO/2019/073549A1
According to a microphone authentication method, a sound emission device (2) transmits authentication information to sound collection devices (3A, 3B, 3C). The sound collection devices (3A, 3B, 3C) receive the authentication information ...  
WO/2019/071502A1
Provided in the present invention is a sound amplification method for use in a microphone of a smart device, characterized in that the sound amplification method comprises: when the smart device is connected to at least one external audi...  
WO/2019/073439A1
A system of crosstalk cancelled zone creation in audio playback comprising: main transducers emitting stereo soundwaves of an audio playback; a local system comprising at least two or more close-proximity-transducers (CPTs, each is arran...  
WO/2019/058502A1
The present invention enables public addresses to be made within a train at an appropriate sound volume. A data storage unit 7 associatively stores noise information indicating a noise volume measured in the past while a train is traveli...  
WO/2019/055732A1
The systems and methods described herein provide an audio system and modules that include speakers that can be packaged in new locations, and/or that can be driven by a local amplifier (amp). The new audio system can be easily upgraded w...  
WO/2019/050769A1
A network media system forms a group comprising a first networked device and a second networked device using a first media playback protocol. The network media system includes the first networked device and the second networked device. T...  
WO/2019/051294A1
Systems and methods disclosed herein include, determining that a requirement exists to output a system response. In response to determining that a requirement exists to output a system response, (i) setting a system response volume for a...  
WO/2019/029783A1
An automatic audio transcription method comprises: sending an audio stream (38) and an identifier (36) of the audio stream (38) from a microphone device (12) to an audio support server (24) and to at least one hearing aid system (14) com...  
WO/2019/005355A1
A portable public address (PA) speaker comprises an enclosure constructed and arranged for positioning at a first position having a vertical orientation to output audio shaped for a first acoustic coverage area, a second position having ...  
WO/2019/005270A1
A loudspeaker assembly comprises an enclosure having a first end and a second end, the first end including an opening; an acoustic driver at the second end of the enclosure; an acoustic volume between the first end and the second of the ...  
WO/2019/005324A1
A speaker sound system assembly comprises an enclosure; a speaker mount housing covering the opening of the enclosure, the speaker mount housing including a hole that exposes an interior of the enclosure and concave horn walls on both si...  
WO/2018/234456A1
An apparatus comprising circuitry configured to generate one or more focused sound sources as virtual loudspeakers of an announcement system.  
WO/2018/223465A1
An adaptive ball-shaped loudspeaker comprises a remote control handle (1), a megaphone (2), a vibration sensor (3), a siren (4), a ball-shaped loudspeaker main body (5), and a digital signal processor (6). The remote control handle (1) i...  
WO/2018/224452A1
The invention relates to a device for playing back an acoustic notice, comprising a detection apparatus, which is designed to detect a voice announcement or an acoustic signaling on the basis of a microphone signal and to provide an acou...  
WO/2018/216195A1
The present invention addresses the problem of providing a loudspeaker device having a small directivity angle in the vertical direction and horizontal direction. The loudspeaker device relating to one embodiment of the present invention...  
WO/2018/215360A1
The invention relates to a method for wireless audio transmission between a wireless transmitter (10) and a wireless receiver (50) in a program making special event (PMSE) system. An audio signal is transmitted from the at least one wire...  
WO/2018/187352A1
A dry audio signal may be received. An envelope of the dry audio signal may be compared to a threshold of the playback device to determine a dry excess. A filter may be applied to the dry audio signal to generate a wet audio signal. An e...  
WO/2018/178667A1
To provide flexibility in multiple loudspeaker combinations, and reduced space requirements, a modular loudspeaker system is provided comprising a first loudspeaker cabinet (10) having a first face (40), and a first loudspeaker (30) for ...  
WO/2018/153642A1
The invention relates to a method for providing sound to persons (10, 20, 30) by means of mobile hearing systems (11, 21, 31) during a talk with a speaker (1), and by means of an audiovisual system (2, 3, 4), the audiovisual system havin...  
WO/2018/140618A1
A microphone module comprises a housing, an audio bus, and a first plurality of microphones in communication with the audio bus. The microphone module further comprises a module processor in communication with the first plurality of micr...  
WO/2018/100233A3
An apparatus for identifying which sound sources are associated with which microphone audio signals, the apparatus comprising a processor configured to: determine/receive a position/orientation of at least one sound source relative to a ...  
WO/2018/127298A1
There is provided a microphone assembly (10) to be worn at a user's chest, comprising: at least three microphones (20, 21, 22) for capturing audio signals from the user's voice, the microphones defining a microphone plane; an acceleratio...  
WO/2018/107223A1
A computer implemented method for managing a sound emitting device comprising: receiving data associated with operation of the sound emitting device at a predetermined location; processing said data to determine an operating characterist...  
WO/2018/046643A3
The invention relates to a method (100) for emergency management at a meeting place, comprising a plurality of signal systems, in particular public address systems, which are independent from one another, each having an individual sonica...  
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/2018/045195A1
A method for operating a wireless audio playback device that has an electro-acoustic transducer and a microphone, wherein the wireless audio playback device is configured for playback of audio signals received from a plurality of digital...  
WO/2018/035008A1
The technology described in this document can be embodied in a method that includes receiving a first signal representative of audio captured using a microphone in communication with an analog communication module. The method also includ...  
WO/2018/029459A1
A method of authorising an audio download is provided. The method comprises : receiving, at a receiving device, a first wireless signal comprising authorisation data; requesting an audio download using the authorisation data; receiving a...  
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/2018/019667A1
The invention relates to a cabling assembly (1) for connecting multiple microphones (2) and/or instruments to a mixer, wherein the cabling assembly (1) has a multi-channel connection cable (3) with at least one multi-channel cable connec...  
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/2018/013959A1
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/2018/005694A1
Embodiments are described for a high-frequency waveguide that improves the performance of large-scale surround sound and immersive audio environments. A horn waveguide is configured to be asymmetric about one of a vertical axis and horiz...  
WO/2017/204473A1
Disclosed are a beacon speaker for guiding a visually impaired person, and a beacon recognition server for recognizing beacon information. The beacon speaker for guiding the visually impaired person comprises: a beacon transmission modul...  

Matches 1 - 50 out of 2,260