Abstract: An audio processing apparatus and a control method thereof are provided. The method includes receiving an audio signal including audio data corresponding to each of a plurality of channels, generating a strobe signal for the audio data corresponding to each of the plurality of channels, converting a clock for the strobe signal corresponding to each of the plurality of channels to a master clock having preset multiple speeds, and outputting the audio signal based on the master clock. The simplification of the system configuration is accomplished by synchronizing an input and an output of the audio signal using hardware.

Abstract: [Object] To provide an audio playback device which allows a novel listening experience for a listener by bone conduction from a prescribed position of the head area. [Solution] Provided is the audio playback device including at least one bone conduction device. The bone conduction device is provided at a position to be worn at a prescribed position of a head area of a listener. The prescribed position is a position allowing the listener to feel that a sound source moves from a position to which the bone conduction device is attached and to feel the sound source from another position.

Abstract: An apparatus for generating alerting sounds and broadcasting the same into the interior of a building so that an occupant can be made aware of an emergency, warning, etc. or of the building for various other purposes such as to greet a visitor or accept a package or sign documents from a transporter drone or robot. The sounds are generated by an exciter feature of a transducer held in a case, the exciter feature being able to be pressed against an exterior surface. The transducer vibrates its exciter feature in correspondence with audio signals transmitted to the transducer to broadcast corresponding sounds into the interior of the building by resonance induced in the door or other building member by the vibrating exciter feature. The sounds may resemble conventional alerting sounds such as a knocking or ringing sounds, and/or can be a spoken message either prerecorded in an audio source or created contemporaneously by being spoken by a user into a microphone.

Abstract: The present invention provides a diaphragm structure of a sounding apparatus comprising: a thin-film layer; a first circuit thin-film layer fixed on a first side of the thin-film layer by means of a first electrolytic bonding layer; a second circuit thin-film layer fixed on a second side of the thin-film layer by means of a second electrolytic bonding layer; multiple holes passing through the first circuit thin-film layer, the thin-film layer and the second circuit thin-film layer; and multiple conductive layers disposed on inner circumferential walls of the holes and in contact with the first circuit thin-film layer and the second circuit thin-film layer. In the diaphragm structure provided by the present invention, instead of using back adhesives, electrolytic bonding is used to fix the circuit thin-film layers on two sides of a thin-film layer, thereby greatly reducing the thickness of the diaphragm structure.

Abstract: An electro-acoustic transducer includes a base and a plurality of vibration portions. Each of the vibration portions includes a piezoelectric transduction layer and has two connection ends and a free end. The connection portions are connected to the base, and the free ends are separated from one another. The piezoelectric transduction layers are adapted to receive electrical signals to deform, such that the vibration portions are driven to vibrate and generate corresponding acoustic waves. The vibration portions are adapted to receive acoustic waves to vibrate, such that the piezoelectric transduction layers are driven to deform and generate corresponding electrical signals.

Abstract: An electro-acoustic transducer includes a base, a plurality of vibration portions and a connection portion. Each of the vibration portion includes a piezoelectric transduction layer and has a first connection end and a second connection end opposite to each other, and the first connection ends are connected to the base. The connection portion is separated from the base and connected to the second connection ends. The piezoelectric transduction layers are adapted to receive electrical signals to deform, such that the vibration portions are driven to vibrate and generate corresponding acoustic waves. The vibration portions are adapted to receive acoustic waves to vibrate, such that the piezoelectric transduction layers are driven to deform and generate corresponding electrical signals.

Abstract: A microphone array for detecting acoustic emissions generated by equipment. The array includes at least one grid having a plurality of sensors each including a compact arrangement of optical fiber having first and second optical fiber ends wherein the first optical fiber end of a first sensor is terminated. The array also includes an optoelectronic device coupled to a second optical fiber end of a second sensor, wherein the optoelectronic device generates laser light that is transmitted through the plurality of sensors in the grid and is reflected back to the optoelectronic device to enable detection of acoustic emissions.

Abstract: Recording, manipulating, distributing and creating sound pressure waves in one or more media by employing an apparatus that transfers the energy between photons and particles of the media is disclosed. An exemplary apparatus comprises one or more lasers and an isotropic or anisotropic medium for photon processing and distribution. An exemplary method comprises determining the target locations for sound pressure wave recording, manipulating or creation; transmitting photons to the target locations; transferring photon energy to media particles to create or manipulate a sound pressure wave; or transferring energy of media particles to photons for recording or manipulating a sound pressure wave.

Abstract: A hearing assistance system, having first and second hearing devices worn at respective ears of a user, each hearing device having a BLUETOOTH® interface for wireless reception from an external audio source device, the hearing devices being adapted to establish a binaural data link between each other, wherein the hearing devices are adapted to define first and second sets of BLUETOOTH® profiles assigned to the first and second hearing devices respectively, with the first set and the second set differing by at least one profile, wherein the first devices are adapted to establish a BLUETOOTH® connection to an external device and to advertise their BLUETOOTH® profile to the external device, wherein the hearing devices are adapted to modify, by data exchange via the binaural link, the first and second set of BLUETOOTH® profiles by moving at least one of the profiles from one of the sets to the other set.

Abstract: An audio device is provided, such as a receiver-in-canal hearing aid, which includes an in-the-ear component, a behind-the-ear component, and a cable connecting the in-the-ear component and the behind-the-ear component. The cable includes a reinforcing backbone having a bulbous end portion anchored to one of the in-the-ear component and the behind-the-ear component. The bulbous end portion includes fibers that have been splayed apart which provides larger surface area for adhesively bonding the bulbous end portion to the in-the ear component or the behind-the-ear component. In one form, the reinforcing backbone includes ultra-high molecular weight polyethylene.

Abstract: A passive vibration cancellation system manufactured of a plurality of waterproof diaphragms and a more rigid support structure is sized to cover a microphone of an auditory prosthesis. The system includes multiple flexible diaphragms that deform in opposite directions when acted upon by sound, but deform in the same direction when acted upon by vibrations. The system can further include a collar or other compliant element to help secure a microphone assembly into the auditory prosthesis housing, while further reducing vibration transmission between the housing and the microphone.

Abstract: A method (100) of fitting a hearing aid system comprising identification of an auditory neuro-synaptopathy of a person based on the sensitivity of the person to temporal masking, a hearing aid fitting system, a computerized device (200, 300), a server (302) hosting a web service and a computer-readable storage medium having computer-executable instructions, which when executed carry out said method.

Abstract: A MEMS microphone and a method for manufacturing a MEMS microphone are disclosed. Embodiments of the invention provide a MEMS microphone including a MEMS microphone structure having at least one counter electrode structure and a diaphragm structure deflectable with respect to the counter electrode structure and a thermocouple arranged at the MEMS microphone structure.

Abstract: A self-testing electro-mechanical capacitive sensor system. The system includes an electro-mechanical capacitive sensor and a controller. The controller is configured to receive a signal to activate a test mode, and upon receiving the signal to activate the test mode: (a) apply a bias voltage step to the electro-mechanical capacitive sensor, (b) measure a corresponding deflection of a membrane of the electro-mechanical capacitive sensor for the bias voltage as a function of time, and repeat steps (a) and (b) for a plurality of magnitudes of the bias voltage to determine at least one performance parameter of the electro-mechanical capacitive sensor.

Abstract: A method, apparatus and a computer storage medium for selecting a microphone are disclosed. The method includes: employing ultrasonic measurement to determine a microphone, which is closest to a primary sound source, of a matrix of a plurality of microphones arranged in a device for recording sound; and taking the microphone which is closest to the primary sound source as the current primary microphone and taking other microphones of the matrix of the plurality of microphones as secondary microphones, wherein the primary microphone is used to collect the primary sound source, and the secondary microphones are used to collect ambient noise.

Abstract: The present disclosure discloses a silica gel vibrating diaphragm and a method for fabricating the same. The method comprises: forming a composite material belt by using two layers of a base material and liquid silica gel in a calendering manner, wherein the liquid silica gel is between the two layers of the base material; wholly hot-press molding the composite material belt by a vibrating diaphragm die holder, a temperature of the hot-press molding being higher than a vulcanization temperature of the liquid silica gel; removing the two layers of the base material to obtain a whole sheet of silica gel vibrating diaphragm; and blanking the whole sheet of silica gel vibrating diaphragm that has been removed of the two layers of the base material to fabricate a required silica gel vibrating diaphragm.

Abstract: An information processing apparatus includes a holding unit configured to hold a plurality of head related transfer functions for outputting directional sound in a plurality of directions, a setting unit configured to set a direction in which a first head related transfer function and a second head related transfer function are switched, based on characteristics of the first head related transfer function and the second head related transfer function, and a switching unit configured to switch a head related transfer function used to output the directional sound between the first head related transfer function and the second head related transfer function in the set direction.

Abstract: A method performed by an audio decoder for reconstructing N audio channels from an audio signal containing M audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having M audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The encoded audio bitstream is then decoded to obtain a decoded frequency domain representation of the M audio channels, and at least a portion of the frequency domain representation is decorrelated with an all-pass filter having a fractional delay. The all-pass filter is attenuated at locations of a transient. A matrixed version of the decorrelated signals are summed with a matrixed version of the decoded frequency domain representation to obtain N audio signals that collectively having N audio channels where M is less than N.

Abstract: A method performed by an audio decoder for reconstructing N audio channels from an audio signal containing M audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having M audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The encoded audio bitstream is then decoded to obtain a decoded frequency domain representation of the M audio channels, and at least a portion of the frequency domain representation is decorrelated with an all-pass filter having a fractional delay. The all-pass filter is attenuated at locations of a transient. A matrixed version of the decorrelated signals are summed with a matrixed version of the decoded frequency domain representation to obtain N audio signals that collectively having N audio channels where M is less than N.

Abstract: An after-market network module is provided for each speaker in a sound system that may have been vended without wireless capability. The module for each speaker receives signals from an audio source for play on the speaker. To assist in locating each speaker for purposes of effective audio set up and channel assignation without requiring undue user input, each network module may include a locator device that wirelessly communicates with a master node in the system.

Abstract: Systems and methods that reproduce surround sound effects from an audio source are described. Wireless communication devices form a wireless network in which music, for example, can be played on the speakers of the wireless communication devices to reproduce surround sound effects from a selected audio source. As the wireless communication devices roam with respect to each other or with respect to a focal point or listening position of the wireless network, the wireless network adjusts how the audio source is played at each speaker of the respective wireless communication device to maintain or to enhance the reproduction of surround sound effects from the audio source.

Abstract: Multiple virtual source locations may be defined for a volume within which audio objects can move. A set-up process for rendering audio data may involve receiving reproduction speaker location data and pre-computing gain values for each of the virtual sources according to the reproduction speaker location data and each virtual source location. The gain values may be stored and used during “run time,” during which audio reproduction data are rendered for the speakers of the reproduction environment. During run time, for each audio object, contributions from virtual source locations within an area or volume defined by the audio object position data and the audio object size data may be computed. A set of gain values for each output channel of the reproduction environment may be computed based, at least in part, on the computed contributions. Each output channel may correspond to at least one reproduction speaker of the reproduction environment.

Abstract: Example embodiments disclosed herein relate to audio object processing. A method for processing audio content, which includes at least one audio object of a multi-channel format, is disclosed. The method includes generating metadata associated with the audio object, the metadata including at least one of an estimated trajectory of the audio object and an estimated perceptual size of the audio object, the perceptual size being a perceived area of a phantom of the audio object produced by at least two transducers. Corresponding system and computer program product are also disclosed.

Abstract: Disclosed is a method for determining filter coefficients of an audio precompensation controller for the compensation of an associated sound system, including N?2 loudspeakers, including estimating, for each one of at least a pair of the loudspeakers, a model transfer function at each of M control points distributed in Z?2 spatially separated listening zones in a listening environment of the sound system. The method also includes determining, for each of the M control points, a zone-dependent target transfer function at least based on the zone affiliation of the control point; and determining the filter coefficients of the audio precompensation controller at least based on the model transfer functions and the target transfer functions of the M control points. Consequently, an audio precompensation controller for an associated sound system can be obtained that enables improved and/or customized sound reproduction in two or more listening zones simultaneously.

Abstract: An apparatus for generating a first multitude of output signals based on at least one audio source signal having a delay network and a feedback processor. The delay network includes a second multitude of delay paths, each delay path having a delay line and an attenuation filter. Each delay line is configured for delaying delay line input signals and for combining the at least one audio source signal and a reverberated audio signal to obtain a combined signal, wherein the attenuation filter of a delay path is configured for filtering the combined signal from the delay line of the delay path to obtain an output signal. The first multitude of output signals includes the output signal. The feedback processor is configured for reverberating the first multitude of output signals to obtain a third multitude of the reverberated audio signals including the reverberated audio signal.

Abstract: A master device receives audio, down-mixes the audio to stereo if it is not already in stereo, and then up-mixes the stereo into as many channels as there speakers in the network. The up-mixing can be based on the number and locations of the speakers, which may be determined automatically using a real time location system such as ultra wide band (UWB) location determination techniques. The master device sends each speaker the stereo only, with each speaker also up-mixing the stereo into at least its own respective channel and in some cases into all N channels, selecting from the rendered “N” channels that result from the up-mix the channel indicated as being associated with the particular location of the particular speaker.

Abstract: In an embodiment, there is provided a method for support of mobile-terminated application services in a mobile system, said method comprising; —based on a User Equipment UE subscription, enabling, for one or more subscribed Access Point Name APN, triggering of at least one network Application associated with a given of said one or more APN, upon said UE being reachable again after failure of a mobile network procedure to reach said UE via a Packet Data Network PDN connection established for said UE and said APN.

Abstract: Disclosures are a user equipment (UE) registration method, entity, system and a computer storage medium. The method comprises: a common service entity (CSE) in a UE sending an equipment registration request to a machine type communication-inter working function entity (MTC-IWF), wherein the equipment registration request contains an identifier of the UE in an underlying network, an application port identifier of the UE, an identifier of a machine-to-machine/man (M2M) service provider subscribed to by the UE, and an identifier of an application entity (AE) of the M2M service provider.

Abstract: A autonomous sensor includes a sensor configured to measure one or more events, a network interface, and a processor. The autonomous sensor is configured to communicate with a plurality of other autonomous sensors using the network interface. The processor is configured to detect, while in a discovery state, if an event has occurred and enter an active state if he event occurred, when an event has occurred, enter an active state, transmit event data to a parent while in the active state, detect the presence of a neighboring sensor; and when the neighboring sensor is detected, while in a nomadic state, monitor the activity of the neighboring sensor.

Abstract: A riser for a skateboard with an integrated Bluetooth transceiver, the riser attaching between the deck and truck of the skateboard. Wireless transfer of information from device to device, such as between a mobile phone and the riser, is enabled. The output signal from the transceiver is coupled to a digital audio amplifier for providing an audio signal to persons within the listening area of the riser.

Abstract: A method of choosing an object from multiple objects using a wireless device includes receiving a backscatter communication signal from each of the objects, determining one or more analog parameter of each backscatter communication signal, and, using the wireless device, selecting one object based at least in part on the analog parameter of each backscatter communication signal. Each of the objects includes an RF interface configured to communicate using backscatter communication.

Abstract: A sensor (1) for acquiring sensing data in a disconnected state, an intelligent device (2), and a method. The sensor (1) comprises: a sensing module (11), used for detecting sensing data; a sensing data encapsulation module (12), used for encapsulating the sensing data into a valid payload data segment of a connectable non-directional Bluetooth broadcast data packet or a non-connectable non-directional Bluetooth broadcast data packet that conforms to the Bluetooth 4.0 protocol; and a Bluetooth sending module (13), used for broadcasting the connectable non-directional Bluetooth broadcast data packet or the non-connectable non-directional Bluetooth broadcast data packet. The scheme effectively solves the technical problems of low transmission efficiency and poor user experience due to one-by-one connection and data transmission in the prior art.

Abstract: Device to Device communication today is possible, but is fragmented and does not always work across device makes and models. The Communication via Tap invention works on any device to allow safe and simple communication via data points collected on each device, a server to match the devices, and the optional step of having users validate the Match before communicating.

Abstract: A method and apparatus for establishing communication between an image photographing apparatus and a user device is provided. In one implementation, the image photographing apparatus includes a communication module; a short-distance wireless communication module; and a controller. When tagging between the image photographing apparatus and a user device occurs, the short-distance wireless communication module provides connection information to the user device via short-distance wireless communication, the controller activates the communication module, and the communication module establishes communication with the user device using the connection information.

Abstract: A method and system for determining and verifying a location of network devices connected to the Internet of Things (IoT). The method and system provide a current physical geographic location for such IoT network devices and/or a user of the IoT network device in an emergency situation such as an accident, health, fitness, fire, terrorist attack, military incident, weather, flood event, etc. and forwarding the current physical geographic location to a legacy 911 network, NG-911 network, a Emergency Services IP networks (ESInet) or text-to-911 Short Message Services (SMS) networks to alert emergency responders.

Abstract: Attendance of subjects within a monitored area includes periodic steps of: (a) transmitting by a wireless transmitter (23) of at least one identification module (2), assigned and attachable to a given subject (7), a notification message (Nm) with identification data; (b) receiving by a wireless base receiver (3) notification messages (Nm) transmitted by the transmitters (23); (c) determining attendance statuses (As) on the basis of the received notification messages (Nm); wherein step (a) additionally includes transmitting individual motion signals (Ims) representing a motion of a given identification module (2), and step (c) additionally includes determining attendance status (As) of an “absent” value in a case of indicating for a predetermined time period by the individual motion signal (Ims) for a motionless status of an identification module (2) assigned to the given subject (7). Also a system is shown for an automatic monitoring of attendance of subjects within a predetermined monitored area.

Abstract: A positioning method and a corresponding terminal and system. A terminal acquires positioning information of the terminal, and sends the acquired positioning information to a first transmission node, the positioning information comprising at least one type of the following information: signal strength information, a subframe or subframe set index, channel characteristic information, access point information and environment characteristic information. The first transmission node transmits the positioning information to a positioning service system, and the positioning service system acquires the positioning information reported by the terminal and determines a geographic position of the terminal according to the positioning information. The present invention can satisfy related enhanced positioning demands.

Abstract: A system and method for communication of proximity based content is disclosed between a mobile computing device having a Short Range Communication (SRC) device and a Proximity Short Range Communication (PSRC) device associated with a location or object using near field magnetic induction. The SRC device and/or the PSRC device can include at least two antennas to provide magnetic induction diversity. The method comprises defining a proximity boundary with dimensions defined by a magnetic induction diversity communication range of at least one of the SRC and PSRC devices. A proximity signal is communicated in the proximity boundary between the SRC device and the PSRC device. At least one action is performed by the mobile computing device or the PSRC device when the proximity signal is detected between the SRC device and the PSRC device.

Abstract: Disclosed herein is a geofence service that enables various remote control and automatic operations based a user's current geographic position as determined by the user's mobile device's current geographic location. The geofence service enables the user to define one or more geofences based on specific geographic locations. Such geofences may be applied against several geofence applications for remote and automatic control of devices. In one embodiment, the mobile device's volume or power control settings are adjusted based on the user's location inside or outside a geofence. In one embodiment, temperature setting of a building or house is controlled based on user's proximity to a geofence. In one embodiment, electrical appliances within a home are activated and controlled automatically based on user's current geographic location.

Abstract: A method, apparatus and computer program product are described to provide geographically-related features and services based at least in part upon the data provided by a mapping database, such as by providing for selective communication with user devices in a manner dependent upon a mapping database. In the context of a method, the location of a user device is determined. The method also determines whether the location of the user device is within an inner zone or a proximity zone extending at least partially about the inner zone. The inner zone is defined to encompass a reference point. If the user device is within the inner zone, a message is caused to be transmitted to the user device. However, if the user device is in the proximity zone, a function is performed relative to the user device that differs from causing the message to be transmitted to the user device.

Abstract: Techniques for establishing a fine timing measurement (FTM) session of infinite duration between wireless devices is provided. A method according to these techniques includes generating, at a first wireless device, a first request to establish an FTM session with a second wireless device using an FTM protocol, the first request comprising one or more session parameters having a value indicative that the first wireless device is requesting the FTM session have an infinite session duration, receiving one or more FTM measurement messages from the second wireless device, and sending a second request to the second wireless device requesting that the FTM session be terminated.

Abstract: Methods, systems and devices for determining a more precise location of a citizen band service device (CBSD) and providing an enhanced location based service (eLBS). A citizen band service device may be configured to determine its approximate location, form a communication group with a wireless transceiver in proximity to the citizen band service device, send the determined approximate location of the citizen band service device to the wireless transceiver, receive location information from the wireless transceiver, and determine a more precise location of the citizen band service device based on the location information received from the wireless transceiver. The citizen band service device may use the computed location information to provide a location based service and/or send the more precise location to the wireless transceiver or another wireless device for use in providing a location based service.

Abstract: Providing internet service comprises: obtaining one or more wireless signals respectively associated with one or more corresponding network devices; obtaining one or more network device identifiers associated with at least one of the one or more wireless signals based at least in part on analysis of the one or more wireless signals; determining that at least one of the one or more network device identifiers corresponds to an Internet service, wherein the Internet service is dependent at least in part on a physical location of a terminal associated with the wireless signal; and accessing the Internet service associated with the at least one of the one or more network device identifiers corresponding to the Internet service.

Abstract: A system can include a mobile computing device and a wearable computing device. The wearable computing device can include a sensor that outputs an indication that the wearable computing device is not being worn. Responsive to receiving the indication that the wearable computing device is being not being worn, one or both of the devices can be operable to change an access mode of computing environment provided by the respective device from an increased access mode to a reduced access mode.

Abstract: The present disclosure discloses a method and an apparatus for obtaining location information, and pertains to the field of mobile communications. The method includes: receiving signal features and an identity of a to-be-positioned terminal that are sent by all base stations in multiple base stations, where the signal feature of a base station includes a signal power and an additional feature, and the additional feature includes at least a base station identity of the base station and signal transmission time; determining a relative power set according to signal powers sent by the multiple base stations, where the relative power set includes a relative power between any two base stations in the multiple base stations; and determining, according to the relative power set and additional features sent by the multiple base stations, location information of a terminal corresponding to the identity of the to-be-positioned terminal.

Abstract: A locator beacon, method and system for identifying a first-in-line device, including: a first antenna configured to send a first signal; a second antenna configured to send a second signal and spaced apart from the first antenna such that a delta value between a first Received Signal Strength Indicator (RSSI) value of the first signal and a second RSSI value of the second signal measured at a predefined location, is within a range of values; a receiver for receiving wireless signals configured to receive an authentication signal from a mobile device adapted to measure the first and second RSSI values, the authentication signal including authentication data related to the measured RSSI values; and a processing unit, configured to determine whether the mobile device is the first-in-line device based on whether a delta value between the first RSSI value and the second RSSI value is within a predefined value range.

Abstract: Reception and transmission from at least two sets of antenna ports on a high speed train are controlled, wherein the at least two sets of antenna ports are installed at different locations on the high speed train. This involves determining a velocity and the position of each of the antenna ports, and using these as a basis for determining a reception combining scheme and/or transmission scheme from the sets of antenna ports. Signals are transmitted and received from the sets of antenna ports in conformance with the determined reception combining and/or transmission scheme.

Abstract: Method and apparatus for monitoring the status and location of personnel using a remote timer. In some embodiments, a method includes logging in, through a network accessible device, a geo position of a subject to initiate a monitored session associated with the subject. A countdown timer of a remote server is initiated to denote a monitored time interval, the remote server in communication with the network accessible device over a network. A notification is generated and transmitted across the network to a monitoring device responsive to a conclusion of the monitored time interval.

Abstract: An electronic device is provided and includes a communication module, a sensor module, a memory, and a processor configured for acquiring first movement information regarding a first region of a route on which the electronic device moves by using the communication module, if the first movement information satisfies a first condition for route information of the movement route information, deactivating the communication module, and acquiring second movement information regarding a second region of the route by using the sensor module, and if the first movement information satisfies a second condition for the route information of the movement route information, acquiring the second movement information by using the communication module, and providing current movement route information of the electronic device by using the second movement information.

Abstract: An information processing apparatus including a control unit configured to perform control to detect leaving of a user from the information processing apparatus and transmit at least part of context information exchanged with the user until then to another apparatus. The information processing apparatus can improve user-friendliness by detecting behavior of a user and linking data with each other in advance between equipment to be operated by the user.