Abstract: The present disclosure provides a microphone including at least one acoustoelectric transducer and an acoustic structure. The acoustoelectric transducer is configured to convert a sound signal to an electrical signal. The acoustic structure includes a sound guiding tube and an acoustic cavity. The acoustic cavity is in acoustic communication with the acoustoelectric transducer, and is in acoustic communication with outside of the microphone through the sound guiding tube. The acoustic structure has a first resonance frequency, the acoustoelectric transducer has a second resonance frequency, and an absolute value of a difference between the first resonance frequency and the second resonance frequency is not less than 100 Hz. By disposing different acoustic structures, resonance peaks in different frequency ranges may be added to the microphone, which improves a sensitivity of the microphone near multiple resonance peaks, thereby improving a sensitivity of the microphone in the entire wide frequency band.

Abstract: A method and system is disclosed for a headset with force isolation, where the headset comprises a headband having two upper headband sections coupled by a center block and two ear cups, where each ear cup is coupled to one of the two upper headband sections. The two upper headband sections may include side support strips between which a movable strip may be placed, thereby increasing the rigidness of the headband when fully extended between the side support strips. The rigidness of the headband may decrease when the movable strips are retracted from between the side support strips and into the center block utilizing a slider knob. The side support strips may be plastic and the movable strip may be metal. The center block may be more rigid than the side support strips. The center block may be plastic. The headband may include headband endcaps at lower ends of the headband.

Abstract: The present disclosure relates to a hearing protection device 10, 10? for protection in different hearing situations A, B, C. The device 10, 10? comprises a microphone 30, 30?, 32, 32?, a sound reproduction unit 38 having a loudspeaker 50, 50?, 52, 52? and a controller 60 for processing an ambient electrical signal. The present disclosure further relates to a controller 60 for such a hearing protection 10, 10?. The present disclosure furthermore relates to a method of switching such a hearing protection device 10, 10? in different hearing situations A, B, C.

Abstract: In one embodiment, a microphone with swappable grilles is described. The microphone comprises a microphone body having a lower portion and an upper portion. The microphone also includes electronics disposed in at least the lower portion. The microphone also comprises, an audio transducer disposed in the upper portion and electronically coupled to the electronics. The microphone also includes two, optionally substantially planar, grilles each disposed on an opposite side of the upper portion, where the two grilles are configured to removably attach to the upper portion.

Abstract: An adaptive feedback canceller of an ear-wearable device has an adaptive foreground filter that inserts a feedback cancellation signal into a digitized input signal to produce an error signal. An instability detector of the device is configured to extract wo or more features from the error signal. The instability detector has a machine learning module that determines instability in the error signal based on the two or more features. The instability module changes the adaptive foreground filter in response to determining the instability. The change causes the adaptive foreground filter to have a faster adaptation to perturbations in the error signal compared to a previously used step size.

Abstract: An earphone charger includes an earphone seat fixedly disposed with two charging resilient pieces for respectively abutting against positive and negative conductive strips of a BLUETOOTH earphone, and with an anti-disengagement component preventing the earphone from disengaging from the charging resilient pieces during charging. The charging resilient pieces extend obliquely thereby a distance therebetween gradually decreases along an insertion direction of the earphone. The charger can charge BLUETOOTH earphones of various generations and a working process is that: the earphone is moved to the earphone seat, the charging resilient pieces are deformed laterally under the pressing of the earphone, and then the positive and negative conductive strips abut against the two charging resilient pieces, and moreover, the earphone is tightly attached to the charging resilient pieces through the anti-disengagement component to achieve continuous charging.

Abstract: The present disclosure may provide a microphone. The microphone may include: a shell structure and a vibration pickup portion, wherein the vibration pickup portion may generate vibration in response to vibration of the shell structure; the vibration transmission portion may be configured to transmit the vibration generated by the vibration pickup portion; and an acoustic-electric conversion component configured to receive the vibration transmitted by the vibration transmission portion to generate an electrical signal, wherein the vibration transmission portion and at least a portion of vibration pickup portion may form a vacuum cavity, and the acoustic-electric conversion component may be located in the vacuum cavity.

Abstract: Various implementations include headphone systems configured to adapt to changes in user environment. In some particular cases, a headphone system includes at least one headphone including an acoustic transducer having a sound-radiating surface for providing an audio output; a sensor system configured to detect an environmental condition proximate the at least one headphone; and a control system coupled with the at least one headphone and the sensor system, the control system configured to: receive data about the environmental condition from the sensor system; and modify the audio output at the at least one headphone in response to a change in the environmental condition, wherein the audio output includes a continuous audio output provided across a transition between environmental conditions and is configured to vary with the change in the environmental condition.

Abstract: Example techniques may involve a playback device modifying its playback configuration when the playback device is placed onto a device base. In an example implementation, the playback device may receive, via an 802.15-compatible radio of one or more network interfaces, one or more packets comprising data representing an identifier of the first device base. After receipt of the one or more packets, the playback device queries a database for state information corresponding to the identifier of the first device base and modifies a playback configuration of the playback device from a first configuration to a second configuration based on the queried state information corresponding to the identifier of the first device base.

Abstract: A package structure of a micro speaker includes a substrate having a hollow chamber. A diaphragm is disposed on the top surface of the substrate. The diaphragm includes a first portion suspended over the hollow chamber and a second portion surrounding the first portion. In a plan view, the second portion of the diaphragm and the hollow chamber do not overlap. A coil is embedded in the first portion of the diaphragm. At least one dummy structure is embedded in the second portion of the diaphragm, and it is electrically isolated from the coil structure by the diaphragm. A carrier board is disposed on the bottom surface of the substrate. A permanent magnetic element is disposed on the carrier board and in the hollow chamber. A package lid is wrapped around the substrate and the diaphragm, and has a lid opening that exposes a portion of the diaphragm.

Abstract: Some implementations relate to methods, systems, and computer-readable media for providing audio for virtual experiences. In some implementations, a method includes receiving, at a server, a first request to generate a plurality of sounds for a user device, wherein the user device is associated with a virtual experience hosted by the server, obtaining, by the server, sound source data for a plurality of sound sources associated with the plurality of sounds, obtaining, by the server, virtual experience state information that comprises a location of a virtual microphone in the virtual experience and at least one of a velocity of the virtual microphone in the virtual experience or an orientation of the virtual microphone in the virtual experience, generating, by the server, an audio mix of the plurality of sounds based on the sound source data and the virtual experience state information, and transmitting the audio mix to the user device.

Abstract: The present disclosure discloses a vibration transducer including a circuit board, a vibration detection assembly and a signal detection assembly arranged on two opposite sides of the circuit board; the vibration detection assembly includes a first vibration detection unit, a second vibration detection unit, and a third vibration detection unit; the signal detection assembly includes a first MEMS microphone, a second MEMS microphone, and a third MEMS microphone. A first membrane of the first vibration detection unit, a second membrane of the second vibration detection unit, and the third membrane of the third vibration detection unit vibrate along three orthogonal directions. The vibration transducer has higher sensitivity and bigger bandwidth.

Abstract: Disclosed are a vibration sound device for an electronic product and the electronic product. The vibration sound device comprises a first housing, a magnetic assembly, a coil assembly and a second housing. The first housing includes a cavity and is opened at one side thereof. An interaction force is generated between the magnetic assembly in the first housing and the coil assembly on the second housing to drive the vibration sound device to vibrate so as to generate a sound. According to the present disclosure, the magnetic assembly and the coil assembly are configured in a sandwiched structure, so that the overall height of the vibration sound device is reduced, and thus space utilization of the electronic device is improved.

Abstract: A method for eliminating sound leakage includes: controlling, upon detecting call voice being outputted by a receiver, a collection device to determine a first frequency response curve of first sound wave of the call voice at a first position outside a terminal device; controlling a speaker to generate a second sound wave; controlling the collection device to determine a second frequency response curve of the second sound wave at the first position; and regulating, according to the first frequency response curve, the second frequency response curve to a third frequency response curve. Frequency responses of the first and third frequency response curves at a corresponding frequency are superimposed on and cancel each other. The speaker actively generates second sound wave that is modulated according to a parameter of first sound wave, so as to ensure that second sound wave effectively eliminates leakage of call content caused by first sound wave.

Abstract: Technologies disclosed herein can be used to test vibrating actuators, such as those found in auditory prostheses. An example test system includes a trigger signal generator that emits a trigger signal, a test frequency generator that operates in a test mode responsive to receiving a trigger signal, and a diagnostic tool comprising a vibration sensor. The diagnostic tool can measure an output of the vibration sensor.

Abstract: The present disclosure discloses an acoustic device and a support assembly thereof. The support assembly may include a shell configured to provide a space for accommodating one or more components of the acoustic device. The support assembly may further include an interaction assembly configured to realize an interaction between a user and the acoustic device, wherein the interaction assembly include a first component and one or more second components, in response to receiving an operation of the user, the first component is configured to trigger at least one of the one or more second components to cause the acoustic device to perform a function corresponding to the at least one of the one or more second components.

Abstract: A tactile audio system and associated methods are disclosed. In one example, the tactile audio system includes a signal processor configured to separate an input signal into a transient group and a sustained group. In one example, the tactile audio system includes a signal processor configured to separate an input signal into a plurality of frequency bands for each of the transient group and the sustained group. A number of transducers are provided to generate a tactile response corresponding to portions of the separated audio signal.

Abstract: Systems and methods for navigating a virtual space using sound are described. Some examples include a multidimensional sound space with a plurality of nodes associated with a plurality of audio sources. Some examples of the system and methods include receiving a first user navigational input, determining a first user location in the multidimensional sound space, and playing a binaural sound associated with a node based on the first user location and the node's location. Some examples further include receiving a second user navigational input, determining a second user location in the multidimensional sound space, and playing a stereophonic sound associated with the node based on the second user location and the node's location.

Abstract: Personal electronic devices are provided in the form of personal audio equipment. Devices of the present disclosure include readily-moldable ear inserts that are selectively formed to fit the shape of a user's ear and do not require heating, curing, setting, or other temperature manipulation. In some embodiments, the devices comprise wireless audio technology and wireless conductive charging.

Abstract: A cabin management system is described. The cabin management system includes a housing. The housing is configured to receive one or more modules. The modules may be detached and reattached to the housing. The modules may be rearranged to achieve a desired layout of touchscreens, audio converter, and input/output ports. The modules may include a geometry which provides a flush-mounting between the housing and the modules. The flush-mounting may prevent a passenger from accessing the cavity defined by the housing. The audio converter includes a digital-to-analog converter and an audio jack. The digital-to-analog converter converts an uncompressed digital audio signal to an analog audio signal. The audio jack receives a stereo analog signal and outputs the stereo analog signal to an audio plug.