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WO/2012/152323A1 |
Public address systems or other systems for emitting audio signals, like music, speech or announcements, in different locations like supermarkets, schools, universities, auditoriums are widely known. These systems usually comprise an aud...
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WO/2012/145828A1 |
A loudspeaker system is provided, comprising asymmetric speaker enclosures having different characteristics and housing respective speaker drivers of different sizes, and an audio architecture for separating and driving medium and high f...
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WO/2012/139230A1 |
In accordance with an aspect of the invention, a hearing instrument microphone device, in particular a hearing aid microphone device, is provided, the microphone device comprising at least two microphone sound ports (or sound inlets), a ...
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WO/2012/134274A2 |
Isolator devices for a class A evacuation system are provided. The isolators each have specific address in the system. This allows the isolators to report individually with address information and status information, for example related ...
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WO/2012/134273A1 |
The invention relates to isolator devices for a class A evacuation system. The isolators each have specific address in the system. This allows the isolators to report individually with address information and status information, for exam...
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WO/2012/129255A2 |
A system and method may be provided to segment and/or classify an audio signal from transformed audio information. Transformed audio information representing a sound may be obtained. The transformed audio information may specify magnitud...
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WO/2012/115205A1 |
An approaching vehicle detection device detects an approaching vehicle on the basis of sound collected by a plurality of sound collectors (13A, 14A, 15A, 16A), and is characterized in that a sound source (particularly the running sound o...
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WO/2012/107561A1 |
A spatial adaptation system for multiple-microphone sound capture systems and methods thereof are described. A spatial adaptation system includes an inference and weight module configured to receive a inputs. The inputs based on two or m...
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WO/2012/093345A1 |
An audio system comprises an ultrasound sensor array (105) which has a plurality of ultrasound sensor elements, and an audio band array (101) comprising a plurality of audio band elements. The same array of wideband audio transducers may...
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WO/2012/093343A2 |
Measurements of body sounds in the ear canal may be used for many applications. However, reliability is dependent on the ear canal being properly sealed to allow the body sounds to achieve a detectable level. An apparatus is therefore pr...
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WO/2012/094547A1 |
An electroacoustic transducer includes a housing and a moving portion adapted to move relative to the housing. The moving portion has a first surface and includes a first electrode (406). A second electrode (402) on a first surface of th...
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WO/2012/083989A1 |
A method of controlling audio recording using an electronic device (21) and an electronic device (21) are described. The electronic device (21) comprises a microphone arrangement (6, 7) having a directivity pattern. A target direction re...
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WO/2012/066265A1 |
This electroacoustic system when it is applied in particular to an auditorium (17) comprises a plurality of cells (19, 20, 21). In these cells are provided: an equalization device (26), an emitter (24), a receiver (22), an amplification ...
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WO/2012/058465A2 |
An apparatus includes multiple microphones and a controller. The controller is coupled to receive a signal from each of the multiple microphones. The controller is configured to control a transition of the multiple microphones from an ac...
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WO/2012/049970A1 |
When a piezoelectric speaker is configured using piezoelectric film comprising an organic polymer, the piezoelectric constant of the organic polymer is comparatively small; therefore, in order to produce practical sound pressure, voltage...
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WO/2012/021832A9 |
Systems and methods are described for clamping a headset in a calibration system using a clamp system that includes a clamp, platform, and one or more spindles (e.g., cushion spindles) to minimize or eliminate issues associated with posi...
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WO/2012/045436A1 |
The invention relates to a method for operating a public address system with a control center to which loudspeakers are connected via a two-wire loop system that is routed via isolator modules. A fault can be located on the loop system i...
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WO/2012/031468A1 |
Earphone pulling and plugging detection circuits are disclosed by the present invention, wherein one of the circuits includes a left sound channel (L) pin, a first pin which can be connected and disconnected with the L pin, a right sound...
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WO/2012/023268A1 |
A first estimation means estimates the number and directions of sound sources, on the basis of vectors having input signals as components, said input signals being audio from each sound source that is gathered by a plurality of microphon...
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WO/2012/017504A1 |
A microphone has a first electrode, and a second electrode which is formed so as to face the first electrode across a hollow portion, wherein the first electrode is a parallel-plate-type provided with an electret layer. The manufacturing...
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WO/2012/012309A1 |
A headset having a connector compliant with a specification for a first digital serial bus incorporates a separator circuit that monitors the voltage level of one conductor of that connector to distinguish between a first digital interfa...
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WO/2012/012315A1 |
An electro-acoustic transducer or a device into which an electro-acoustic transducer is incorporated has at least two audio signal conductors through which the electro-acoustic transducer or device may be coupled to another device to con...
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WO/2012/004057A1 |
A method and apparatus for having a user select from simultaneously provided audio tracks which are provided from different directions to the user. One of the tracks is provided from in front of the user and with a higher intensity than ...
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WO/2012/004348A1 |
An integrated circuit (112) for processing audio and voice signals in a telephone is disclosed. The integrated circuit comprises an audio output port having a first and a second output terminal (16a, 16b) for connection to a first and a ...
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WO/2011/160342A1 |
The invention discloses a device and method for detecting tone frequency, which is applied to a mobile terminal and its earphone. The mobile terminal and its earphone both include an MIC circuit and a sounding circuit, wherein the device...
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WO/2011/145030A1 |
An apparatus comprises a test signal generator (401) which generates an ultrasonic test signal by modulating an audio band test signal on an ultrasonic signal. The ultrasonic test signal is radiated from a parametric loudspeaker (403) an...
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WO/2011/140096A1 |
A voice activity detector (VAD) combines the use of an acoustic VAD and a vibration sensor VAD as appropriate to the conditions a host device is operated. The VAD includes a first detector receiving a first signal and a second detector r...
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WO/2011/123071A1 |
According to embodiments of the present invention, an air conduction sensor for detecting a sound from a user is provided. The air conduction sensor includes a housing comprising an opening, wherein a rim of the opening is configured to ...
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WO/2011/119630A1 |
Embodiments include a device comprising a pipe that includes at least one section that spans between a first end and a second end of the pipe. A receptacle is positioned in the pipe a first distance from the first end and a second distan...
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WO/2011/095952A1 |
A method of modelling the frequency-dependent input-voltage-to-excursion transfer function of a loudspeaker, comprises, for a plurality of measurement frequencies, measuring a voltage and current and deriving an impedance at the measurem...
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WO/2011/090386A1 |
Method and system for performing position dependent feedback cancellation, when capturing sound in a restricted area. The area is scanned by capturing sound emitted from loudspeakers, and where this is done at different positions. The ca...
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WO/2011/079875A1 |
An apparatus comprises at least one processor and at least one memory including computer program code the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to p...
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WO/2011/076288A1 |
An apparatus comprises at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to...
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WO/2011/072795A1 |
The invention relates to an audio apparatus (1) including outer terminals for connecting to outer speakers (11g, 11d), and including means for establishing an electric signal between the outer terminals, which is representative of an aud...
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WO/2011/054596A1 |
Wireless microphone systems are used, for example, in theater, stage performances, television, broadcast radio or in concerts to amplify voices or instruments for a large audience. Due to the plurality of actors or musicians, a correspon...
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WO/2011/051512A1 |
Especially designed to measure the voice-transmission index of a public-address system, using voice signals instead of the test signals used in traditional methods, the device of the invention is constituted from a casing (1) in which th...
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WO/2011/050401A1 |
A noise induced hearing loss management system and method enables an individual's exposure to noise to be measured, logged and displayed. Sound data can be collected by means of noise dosimeters preferably attached to hearing protection ...
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WO/2011/049898A1 |
An audio monitoring system for an audio performance consists of one or more terminal units and one or more base units. The base units are configured to send transmission data consisting of channel labels, frequencies, and mix identifiers...
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WO/2011/044395A1 |
A system includes a plurality of inputs each configured to receive a filtered version of a source signal. The system extracts the energy information from each input signal and compares the energy information of a plurality of input signa...
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WO/2011/020850A1 |
The invention relates to a microphone unit for recording audio signals, comprising an audio processing unit (20) for processing the recorded audio signals, a detection unit (30, 50) for detecting metadata belonging to the audiosignal, an...
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WO/2011/003495A1 |
Method for wire-free real-time transmission of at least one audio signal in at least one audio channel between a central base station (7) and and/or between two or more audio stations (5, 6), wherein the respective audio station (5, 6) h...
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WO/2010/115227A1 |
Disclosed is a method and system for allowing a recipient of a hearing aid device, and in one aspect, a bilateral hearing aid system, to locate the source of a sound signal about the recipient. The method uses localisation cues in the so...
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WO/2010/106734A1 |
An audio signal processing device (100) is provided with a power acquisition unit (110), a probability distribution acquisition unit (120), and a coincidence level determination unit (130). The power acquisition unit (110) receives an in...
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WO/2010/097924A1 |
A speaker judgment device judges the polarity of a speaker connected to an output terminal. A test sound is outputted to an acoustic space via the connected speaker and the test sound is collected by a microphone. Moreover, a reference s...
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WO/2010/083895A1 |
An apparatus comprising at least one earpiece suitable to be applied at an auditory opening of a user's ear and a signal processor is disclosed. The earpiece comprises a speaker enabled to be supplied with an audio signal for rendering, ...
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WO/2010/083896A1 |
An apparatus comprising an earpiece and a signal processor is disclosed. The earpiece is suitable to be applied at an auditory opening of a user's ear. The earpiece comprises a speaker enabled to be supplied with an audio signal for rend...
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WO/2010/083888A1 |
A hearing aid (1) adapted for operation in a sound amplification mode and for operation in an occlusion measurement mode, said hearing aid comprising a microphone (10) adapted for transforming an acoustic sound level external to a hearin...
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WO/2010/060669A1 |
The present invention relates to calibration of a computerized test system (20) for testing digital audio devices (30) through a data communication interface. The computerized test system comprises a sound card and a digital calibration ...
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WO/2010/049399A1 |
A loudspeaker for outputting at least low frequency sound waves in a predetermined forward direction, said loudspeaker comprising: two sound reproduction means, such as two electro-acoustic transducers, a processing means for the signal ...
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WO/2010/049501A1 |
In a method for optimizing the transfer behavior of loudspeaker systems in a consumer electronics device, the actual transfer function of the loudspeaker system to be optimized is determined by reproducing a test signal on the loudspeake...
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