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WO/2012/058465 |
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/2012/049970 |
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/2012/045436 |
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/2012/031468 |
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/2012/023268 |
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/2012/021832 |
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/2012/021832 |
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/2012/017504 |
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/2012/012315 |
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/2012/012309 |
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/2012/009670 |
A system and apparatus for constructing a displacement model across a frequency range for a loudspeaker is disclosed. The resultant displacement model is centered around the distortion point. Once a distortion model is constructed it can...
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WO/2012/004057 |
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/2012/004348 |
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/2011/160342 |
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/2011/153638 |
A wireless microphone system broadcasts a pilot tone at the designated ATSC pilot position in the TV Band channel being used by the wireless microphone system. The pilot tone is a readily detectable waveform transmitted in the ATSC pilot...
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WO/2011/154808 |
The present invention provides a system and method for removing feedback noise in an audio system, and more particularly, in public announcement system that utilizes a microphone. This system includes an analyzing unit, which may utilize...
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WO/2011/145030 |
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/2011/140096 |
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/2011/121004 |
An apparatus for measuring a plurality of loudspeakers arranged at different positions comprises: a test signal generator (10) for generating a test signal for a loudspeaker; a microphone device (12) being configured for receiving a plur...
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WO/2011/123071 |
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/2011/119630 |
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/2011/117557 |
The method of loudspeaker control comprises: a step (215) of emitting a pulse on an electrical link with the loudspeaker, a step (220) of measuring the electrical resistance on said link, a step (225) of determining the state of the loud...
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WO/2011/095952 |
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/2011/090386 |
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/2011/079875 |
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/2011/076288 |
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/2011/072795 |
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/2011/054596 |
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/2011/051512 |
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/2011/050401 |
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/2011/049898 |
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/2011/044395 |
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/2011/020850 |
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/2011/003495 |
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/2010/126976 |
A headset is able to be coupled via a cable to an intercom system, is able to be wirelessly coupled to a wireless device via a wireless transceiver of the headset, and is able to be connected to a wired device via another cable. A contro...
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WO/2010/120394 |
A method for determining an inverse filter for altering the frequency response of a loudspeaker so that with the inverse filter applied in the loudspeaker's signal path the inverse-filtered loudspeaker output has a target frequency respo...
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WO/2010/115227 |
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/2010/106734 |
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/2010/097924 |
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/2010/083888 |
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/2010/083895 |
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/2010/083896 |
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/2010/060669 |
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/2010/049501 |
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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WO/2010/049399 |
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/2010/034080 |
Disclosed is a system and method of testing a medical implant implanted in a user. The system applies an electrical current to the user as a test signal, and measures the resulting signal as a measurement signal. The measurement signal m...
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WO/2010/031109 |
A method of analysing an audio signal is disclosed. A digital representation of an audio signal is received and a first output function is generated based on a response of a physiological model to the digital representation. At least one...
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WO/2010/033533 |
At least one exemplary embodiment is directed to a website configured to collect sound signatures from around the world and beyond. A communication device automatically stores acoustic information received by a microphone of the communic...
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WO/2010/030889 |
A mobile communication (100) can include a mobile device (160) to measure and send sound pressure level data. The Mobile device (160) can initiate the collection of audio information responsive to detecting a trigger event. Mobile device...
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WO/2010/026724 |
A microphone check device (1) includes: a speaker (14) which inputs a test sound wave to a microphone (100) which outputs an electric signal in accordance with a movable portion (108); and a detection unit (13) which detects the electric...
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