Abstract: An electronic device includes: an outer case, at least a portion of the outer case being configured to maintain a positional relationship between the electronic device and a wearer's ear; a first sound generator and a second sound generator both provided inside the outer case; and a controller configured to control the first sound generator and the second sound generator to output sounds.

Abstract: A system configured to perform adaptive active noise cancellation (ANC) processing. Specifically, the system may adaptively determine a feed-forward ANC filter by maximizing a ratio of A:B, where A corresponds to microphone-ear coherence and B corresponds to microphone-microphone coherence between the feed-forward microphones. By maximizing this ratio, the system may determine weighted gain values used to combine the feed-forward microphone signals. In addition, the system may (i) apply a fixed feed-forward ANC filter profile selected based on a geometry of the device and a generalized ear response, (ii) monitor a secondary path to select from a plurality of feed-forward ANC filter profiles based on an individual user's ear response, or (iii) adaptively update the feed-forward ANC filter based on a feedback microphone signal.

Abstract: A head-wearable audio device has a motion sensor that outputs motion parameter values based on a detected motion gesture. A gesture type is recognized by comparing the motion parameter values and per-user per-gesture-type recognition parameter values. An action is selected based on the selected gesture type and is executed by the head-wearable audio device or an application in a remote computing device. The head-wearable audio device may also include a capacitive touch sensor that detects capacitive touch events and outputs capacitive touch parameter values. A gesture type may be recognized by comparing both of detected motion parameter values and detected capacitive touch parameter values with per-user per-gesture-type recognition parameter values. The per-user per-gesture-type recognition parameter values are improved over time using machine learning and/or automated logic based on historical detected motion or capacitive touch parameters and corresponding selected gestures, or user profile data.

Abstract: The embodiments of the present disclosure disclose an earphone with antenna peripherals and an audio playback method. A specific implementation of the earphone with antenna peripherals comprises a sound cavity assembly, a battery assembly, and an antenna ear handle, wherein the sound cavity assembly includes a front sound cavity and a rear sound cavity, an earphone motherboard and a speaker are arranged between the front sound cavity and the rear sound cavity, the front sound cavity is provided with a sound outlet; the battery assembly includes a front battery cavity and a rear battery cavity, the front battery cavity and the rear battery cavity are connected, and a battery is arranged between the front battery cavity and the rear battery cavity; the sound cavity assembly and the battery assembly are connected through the antenna ear handle, and the earphone motherboard and the battery are connected through a power cord.

Abstract: A system and method for automatically and dynamically controlling the output (e.g., volume) of an audio headphone device is disclosed, which includes detecting the invocation of the acoustic reflex with an audio headphone device. The disclosed system can measure the response of the tympanic membrane and middle ear to various SPL and frequencies. That information may be used for automated or customized warning or limiting levels either within the headphone, or at the audio playback device.

Abstract: A controller in a wireless system that may switch between two modes. In a first mode, the controller communicates directly with a wireless transceiver, using a first wireless protocol, and receives audio signal directly from the wireless transceiver, using a second wireless protocol. In a second mode, the controller communicates with a wireless transceiver via a wireless access point, using the first wireless protocol, and receives audio signal from the wireless transceiver via a wireless access point, using the second wireless protocol.

Abstract: An ear bud active use charging system is disclosed. The ear bud active use charging system includes: a pair of loop charging harnesses, a pair of charging wires, a power receiving interface, a charge cable, and an ear bud charging controller system. The pair of loop charging harnesses interface with one or more of the ear buds. The pair of charging wires each have a first end and a second end. The first end of each pair of charging wires is connected to one of the pair of loop charging harnesses. The second end of each pair of charging wires is connected to a junction section. The charge cable connects to the power receiving interface at a first end and the junction section at a second end. The ear bud charging controller system has a processor and a memory.

Abstract: A headset charging dock includes a headset mechanical support configured to hang a first headset by a headband of the first headset; and a wireless charging interface for the first headset, the wireless charging interface integrated in the headset mechanical support.

Abstract: This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that include earpad assemblies that improve acoustic isolation are discussed. User convenience features that include automatically detecting the orientation of the headphones on a user's head are also discussed. Various power-saving features, design features, sensor configurations and user comfort features are also discussed.

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for wireless power transmission. A wireless power transmission apparatus may transmit multiple wireless power signals to a wireless power reception apparatus configured to combine the power from the multiple wireless power signals. The wireless power reception apparatus may provide a combined wireless power signal to a load such as a battery charger or electronic device. In some implementations, each set of primary coil and secondary coil may utilize low power wireless power signals (such as 15 Watts or less) in accordance with a wireless charging standard. By combining power from multiple low power wireless power signals, the wireless power reception apparatus may support higher power requirements of an electronic device. Multiple communication channels may be established between the wireless power transmission apparatus and the wireless power reception apparatus.

Abstract: A method for processing an audio signal in accordance with a room impulse response is described. The audio signal is processed with an early part of the room impulse response separate from a late reverberation of the room impulse response, wherein the processing of the late reverberation has generating a scaled reverberated signal, the scaling being dependent on the audio signal. The processed early part of the audio signal and the scaled reverberated signal are combined.

Abstract: Electronic eyewear device providing simplified audio source separation, also referred to as voice/sound unmixing, using alignment between respective device trajectories. Multiple users of electronic eyewear devices in an environment may simultaneously generate audio signals (e.g., voices/sounds) that are difficult to distinguish from one another. The electronic eyewear device tracks the location of moving remote electronic eyewear devices of other users, or an object of the other users, such as the remote user's face, to provide audio source separation using location of the sound sources. The simplified voice unmixing uses a microphone array of the electronic eyewear device and the known location of the remote user's electronic eyewear device with respect to the user's electronic eyewear device to facilitate audio source separation.

Abstract: A two-way radio device for hearing protection devices provides communication capabilities to users wearing hearing protection devices, which would ordinarily hinder or block communication. The two-way radio device removably attaches to a portion of a hearing protection device and connects to the speakers thereof. One or more wireless transceivers provide wireless transmission of audio between users of hearing protection devices enhanced with the two-way radio device. Users remain protected by their hearing protection devices and while communicating freely in high decibel environments.

Abstract: A system for presenting audio content to a user. The system comprises one or more microphones coupled to a frame of a headset. The one or more microphones capture sound from a local area. The system further comprises an audio controller integrated into the headset and communicatively coupled to an in-ear device worn by a user. The audio controller identifies one or more sound sources in the local area based on the captured sound. The audio controller further determines a target sound source of the one or more sound sources and determines one or more filters to apply to a sound signal associated with the target sound source in the captured sound. The audio controller further generates an augmented sound signal by applying the one or more filters to the sound signal and provides the augmented sound signal to the in-ear device for presentation to a user.

Abstract: An ear-worn hearing device and acoustic transducer subassemblies therefor are disclosed. The hearing device includes a hearing device housing with a sound passage terminating at a sound port on a portion of the hearing device housing configured to protrude toward or into a user's ear canal. Multiple transducers are arranged end-to-end along a lengthwise dimension, wherein a first transducer is located between the other transducers and the sound port of the hearing device housing. The transducers each include a sound outlet acoustically coupled to the sound port via the sound passage.

Abstract: A harvest transducer includes a moving cylinder; a coil system having a first coil and a second coil, the first coil and the second coil being surrounding the moving cylinder, the coil system further having magnetic means for generating a magnetic field and arranged on the moving cylinder; a rechargeable battery electrically connected with the second coil to store energy generated from the coil system; wherein the first coil and the second coil are connected in series.

Abstract: A sound output control device includes: an orientation detecting unit configured to detect a state of orientation of a face of a user; an ambient sound obtaining unit configured to obtain ambient sound; an ambient sound reducing processing unit configured to perform, based on the ambient sound, processing of reducing the ambient sound; and a sound output control unit configured to cause sound to be output with the ambient sound reduced by the ambient sound reducing processing unit, when the detected orientation of the face of the user is in a first state, and make audibility of the ambient sound higher than in a state where the ambient sound has been reduced by the ambient sound reducing processing unit, when the detected orientation of the face of the user is in a second state changed from the first state.

Abstract: The present disclosure relates to acoustic devices. The acoustic device may include a vibration speaker, a delivery mechanism mechanically connected to the vibration speaker, and a support component mechanically connected to the vibration speaker via the delivery mechanism. The vibration speaker may be configured to produce a vibration signal representing a sound according to an electrical signal. The delivery mechanism may be configured to contact a user via a contact portion on the delivery mechanism, and deliver the vibration signal to the user via the contact portion. The contact portion on the delivery mechanism may be at a distance from the vibration speaker and have a less vibration intensity than that of the vibration speaker. The support component may be configured to support the delivery mechanism.

Abstract: Introduced here is a wearable audio system including modular ear-cup and ear-bud that can be attached and detached to the user together, or independently of each other. Further, the modular ear-cup and ear-bud can operate together, or independently of each other. The wearable audio system can perform active noise cancellation by measuring noise inside the ear-cup and/or the ear-bud, computing the noise canceling sound, and forwarding the noise canceling sound to a speaker inside the ear-cup and/or the ear-bud. The wearable audio system can be wirelessly charged while operating, thus allowing the user to continuously listen to music more than previously possible. The wearable audio system can optimize power consumption by redistributing power intensive tasks to power sources with the highest amount of power. Further, the ambient sound outside the ear-cup can be measured and played by the speakers in the earbud allowing the user to hear the surrounding environment.

Abstract: An electronic device tubular structure with sensors to control the device's functions.

Abstract: A system for generating processed audio signals may include an earphone comprising a microphone configured to capture sounds from an environment of the earphone, a first communication component, and a first processor; and an earphone case comprising an earphone compartment configured to receive the earphone, a second communication component, and a second processor. The first processor may be programmed to receive a captured audio signal representative of the sounds captured by the microphone; and transmit the captured audio signal via the first communication component. The second processor may be programmed to receive the captured audio signal via the second communication component; generate a processed audio signal based on analysis of the captured audio signal; and transmit the processed audio signal via the second communication component to the first communication component.

Abstract: A wearable audio output device (e.g., headphones) having an open design that allows ambient noise to pass to a listener without physically isolating the listener from a surrounding environment. The device may include an open earcup design that may partially or completely surround the listener's ear, and in some examples a portion of the listener's head may be uncovered by the open earcup. To improve comfort, the device includes a floating audio component configured to generate output audio in a direction of the listener's ear without contacting the listener's ear. To reduce an amount of ambient noise, the device may be configured to perform active noise cancellation (ANC) processing using feedforward and/or feedback microphones. The device may include an acoustic structure configured to direct the output audio in the direction of the listener's ear and/or position the feedback microphone(s) closer to the listener's ear.

Abstract: An open ear clip headphone having an output part and a wearing part is disclosed. The output part is provided with a control circuit board, and the wearing part comprises an elastic sleeve connected to the output part. The elastic sleeve comprises a first pipe hole, and the pipe wall has an axial transparent part. A light strip comprising a flexible circuit, a plurality of luminous bodies, and a wrapping body is inserted into the first pipe hole of the elastic sleeve with the luminous bodies facing the transparent part, or the light strip and the elastic sleeve are injection molded together with the luminous bodies facing the transparent part. The control circuit board has a luminous driving circuit, and the flexible circuit is electrically connected to the luminous driving circuit. It expands the luminous area of the open ear clip headphones.

Abstract: Devices and products for shielding a mobile electronic device enclosed in a case from an effect of electromagnetic flux generated when a magnetic auxiliary device for the mobile electronic device having a magnet is attached to the case are described. According to one embodiment, the case comprises a protective cover configured to at least partially cover the mobile electronic device and a ferromagnetic plate made of SPCC disposed on the protective cover. In one example embodiment, the at least one ferromagnetic plate is to magnetically couple with the magnet of the magnetic auxiliary device attached to a contact surface of the case, and the at least one ferromagnetic plate is to shield the mobile electronic device from the magnetic flux generated.

Abstract: Disclosed is a method of detecting an earphone state relative to an earphone case, one of the earphone and the earphone case provides a first touch sensor, and the other of the earphone and the earphone case provides a second touch sensor and a capacitor electrically connected to the second touch sensor, the method includes: acquiring a capacitance parameter of the first touch sensor, wherein the capacitance parameter comprises a capacitance value or a capacitance change; and determining the earphone state based on the capacitance parameter, where the state comprises: the earphone in the earphone case or the earphone out of the earphone case. An device and an earphone assembly are further disclosed.

Abstract: An earphone control method is applied to an earphone box provided with a first electrical contact, when the first electrical contact is in a charging state, the first electrical contact is configured for charging the earphone, and when the first electrical contact is a communication state, the first electrical contact is configured for establishing communication between the earphone box and the earphone, the method includes: in responding to that the first electrical contact is in the charging state, and the earphone box detects that a communication requirement exists between the earphone box and the earphone, adjusting a voltage level of the first electrical contact to send preset signals to the earphone; and upon receiving a response signal fed back by the earphone based on the preset signals, switching the first electrical contact to the communication state. An earphone box, an earphone and a computer-readable storage medium are also disclosed.

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: A covert sports communication system has a transmitter configured to wirelessly transmit coded audio track selection signals. The system includes a receiver that may be worn within headgear. The receiver includes stored audio tracks and is configured to receive coded audio track selection signals from the transmitter, decode the audio track selection signals, and play at least one stored audio track in accordance with the decoded audio track selection signals. The audio tracks may include audio instructions to a participant of a sporting event.

Abstract: A method and system for a headset with major and minor adjustments, where the headset comprises a headband, a headband endcap at each end of the headband, a headband slide coupled to each headband endcap, and ear cups operatively coupled to the headband slides. A major adjustment of the headset may include actuating a headband slide in a vertical direction. The ear cups may be operatively coupled to the headband slides utilizing ball detents that may hold the position of the ear cups with respect to the headband slides. The ball detents may comprise a portion of a ball on the headband slide and holes in the ear cup or may comprise a portion of a ball in the ear cup and holes in the headband slide. Each headband slide may be coupled to a headband endcap via a headband pivot.

Abstract: A sound processing apparatus capable of appropriately providing a user with a sound related to a desired area in the field of the large venue is provided. A positional relation specifying unit (2) specifies a positional relation between a field and a one user. A sound acquisition unit (4) acquires a sound from at least one sound collection device that collects a sound in each of a plurality of areas of the field. A direction determination unit (6) determines a direction in which the user is facing. A gaze position determination unit (8) determines a gaze position which is a position viewed by the user based on the positional relation and the direction in which the user is facing. A sound providing unit (10) performs processing for providing the user with the sound related to the area corresponding to the gaze position.

Abstract: Disclosed is a wireless earset, including an antenna, a plurality of pattern matching circuits, a radio frequency switch circuit, and a wireless chip. The radio frequency switch circuit is electrically connected to one pattern matching circuit based on a control signal, and grounds the connected pattern matching circuit. After the wireless earset is activated, the wireless chip outputs different control signals to control the radio frequency switch circuit to be electrically connected to different pattern matching circuits to detect a received signal strength indication value for each channel within a preset channel range through the antenna electrically connected with different pattern matching circuits. When the wireless chip determines that a detection result generated by the antenna electrically connected to a currently connected pattern matching circuit meets a default condition, the radio frequency switch circuit maintains electrical connection with the currently connected pattern matching circuit.

Abstract: Methods, systems, and computer-readable media are provided for detecting voice activity. A primary signal is configured to include a speech component representative of a user's speech when the user is speaking in a detection region, or environment. A reference signal is configured to include a reduced speech component relative to the primary signal. One or more conditions of the detection region is/are detected, and a threshold value is selected (or, optionally, calculated) based upon the detected condition(s). The primary signal is compared to the reference signal, with respect to the selected threshold value. An indication of whether the user is speaking is selectively output, based at least in part upon the comparison.

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 hearing device adapted for being located at or in an ear of a user, or for being fully or partially implanted in the head of a user comprises a) an input unit for providing at least one electric input signal representing sound in an environment of the user, said electric input signal comprising a target speech signal from a target sound source and additional signal components, termed noise signal components, from one or more other sound sources, b) a noise reduction system for providing an estimate of said target speech signal, wherein said noise signal components are at least partially attenuated, and c) an own voice detector for repeatedly estimating whether or not, or with what probability, said at least one electric input signal, or a signal derived therefrom, comprises speech originating from the voice of the user.

Abstract: Provided are a wireless headset, an assembly method, an electronic device and a storage medium. The wireless headset includes a housing, a mainboard and a pressure sensitive component. The housing includes: a first chamber defined in a head portion of the wireless headset, and a second chamber defined in a rod portion of the wireless headset and in communication with the first chamber. The mainboard includes: a first circuit board disposed in the first chamber, a second circuit board disposed in the second chamber and provided with a relief portion, and an adapter circuit board disposed in the housing and configured to connect the first circuit board with the second circuit board. The pressure sensitive component is disposed in the second chamber and between the relief portion and the housing.

Abstract: The present disclosure is directed to input detection for electronic devices using electrostatic charge sensors. The devices and methods disclosed herein utilize electrostatic charge sensors to detect various touch gestures, such as long and short touches, single/double/triple taps, and swipes; and perform in-ear detection.

Abstract: An audio processing device may generate a plurality of microphone signals from a plurality of microphones of the audio processing device. The audio processing device may determine a gaze of a user who is wearing a playback device that is separate from the audio processing device, the gaze of the user being determined relative to the audio processing device. The audio processing device may extract speech that correlates to the gaze of the user, from the plurality of microphone signals of the audio processing device by applying the plurality of microphone signals of the audio processing device and the gaze of the user to a machine learning model. The extracted speech may be played to the user through the playback device.

Abstract: Disclosed is a modular teleconference system that provides the convenience of a wireless headset for teleconference participants and the determinism associated with a physical connection between the headset and teleconferencing system. Some embodiments include a teleconference adaptor or mini-hub-device that is able to maintain a wireless connection even when disconnected from a teleconference hub device. The hub-device provides one or more cradles, each of which provides a physical connection to a mini hub. When a mini hub is placed in a cradle of a hub-device, the audio channels of the wireless headset are connected to audio channels of the hub-device. The hub-device in turn is connected to a teleconferencing application running on a computing device, such as a personal computer. For each mini hub placed in a cradle of the hub-device, audio from the corresponding wireless headset is integrated with the teleconference audio channel.

Abstract: A capacitance detection apparatus and earphone. The capacitance detection apparatus includes a front housing and a rear housing, where the capacitance detection apparatus includes: a circuit board, a sensing electrode and a processing unit which are provided at the front housing, where the circuit board, the sensing electrode and the processing unit are integrated together; the sensing electrode is arranged in a first area of the circuit board, the processing unit is arranged in a second area of the circuit board, and the sensing electrode and the processing unit are electrically connected through a metal wiring layer in the circuit board; the sensing electrode is configured to sense a to-be-measured object and form a capacitance detection signal, the capacitance detection signal is transmitted to the processing unit through the metal wiring layer, and the processing unit is configured to process the capacitance detection signal to detect the to-be-measured object.

Abstract: A system includes first electronic device in communication with a second electronic device. The first electronic device has one or more motion detectors determining an orientation of the first electronic device in three-dimensional space and a first communication device communicating an indication of the orientation of the first electronic device to the second electronic device. The second electronic device has at least a first audio output and a second audio output delivering audio signals to an environment of the second electronic device. A second communication device receives the indication of the orientation of the first electronic device in the three-dimensional space. One or more processors cause at least one of the first audio output and/or the second audio output to alter the audio signals when the orientation of the first electronic device in the three-dimensional space changes.

Abstract: The invention relates to an arrangement (4) of audio devices for the purpose of a public address system, comprising an audio-signal processing apparatus (5) and a configuration apparatus (6), wherein: the audio-signal processing apparatus (5) comprises a first plurality of audio-signal inputs (10), a second plurality of signal outputs (11) and a third plurality of signal paths (9); the signal paths (9) connect audio-signal inputs (10) to signal outputs (11); the audio-signal inputs (10) are designed to pick up a provided audio signal; the configuration apparatus (6) is designed for open-loop control, closed-loop control and/or configuration of the audio-signal processing apparatus (5); the configuration apparatus (6) is designed to switch off signal paths (9), in particular unused and/or undesired signal paths.

Abstract: A hearing protection system includes an earplug and an electronic hearing device inserted into a cavity in the earplug. The electronic hearing device includes electronics that incorporate digital signal processing to provide sound amplification and fast compression programming to shut off sound amplification to protect the user when a loud noise is detected. The housing of the electronic hearing device has a sound aperture for emitting the sound from a speaker assembly. The sound aperture is aligned with an opening of a sound tube in the earplug so that sound generated by the speaker assembly can propagate through the sound tube to the user's ear canal. The electronic hearing device may include a short-range communication interface for receiving a short-range communication signal that carries information. The system may include a noise dosimeter that generates noise exposure measurement data related to a dose of noise exposure over a period of time.

Abstract: In one aspect a method that includes receiving an input signal captured by one or more first sensors associated with an active noise reduction (ANR) device, and processing the input signal using a first filter disposed in an ANR signal path to generate a first signal for an acoustic transducer of the ANR device. The input signal is processed in a pass-through signal path disposed in parallel with the ANR signal path to generate a second signal for the acoustic transducer, wherein the pass-through signal path allows a portion of the input signal to pass through to the acoustic transducer in accordance with a variable gain. One or more second sensors detect an existence of a condition likely to cause instability in the pass-through signal path, and in response, the variable gain is adjusted. A driver signal for the acoustic transducer is generated using an output based on the adjusted gain.

Abstract: A method for determining a wearing state of an earphone. Acceleration data are acquired using an acceleration sensor. A time characteristic of the acceleration data is ascertained, and curve segments are ascertained. The curve segments are each formed by first and second sections. A first wearing state of the earphone is determined, in which the earphone is worn on the ear, if a curve segment including a first section having a positive course and a second section having a negative course is ascertained, and if a first characteristic shape is ascertained for the curve segment. A second wearing state of the earphone is determined, in which the earphone is not worn on the ear, if a curve segment including a first section having a negative course and a second section having a positive course is ascertained, and if a second characteristic shape is ascertained for the curve segment.

Abstract: The present disclosure relates to an apparatus. The apparatus may comprise two ear-hook assemblies configured to be hung outside of two ears of a user respectively, and a rear-hook assembly in a curved shape configured to connect the two ear-hook assemblies and wrap around a rear side of the head of the user. The rear-hook assembly may include an elastic metal filament, wires, and an elastic covering body covering the elastic metal filament and the wires.

Abstract: Aspects describe an in-ear audio output device for ESD mitigation. The device includes an earbud housing, a nozzle having one or more apertures to conduct sound waves to the ear canal of the wearer, a flexible printed circuit board positioned within the earbud housing and the nozzle, the flexible printed circuit board comprising: a first portion, a second portion comprising a first edge of the flexible printed circuit board proximate the one or more apertures, and a metal layer on a top surface of the second portion, a microphone attached to a bottom surface of the flexible printed circuit board, and a metal casing attached to the bottom surface of the flexible printed circuit board and surrounding the microphone, the metal casing comprising a second edge proximate the one or more apertures, wherein the second edge is a greater distance from the one or more apertures than the first edge.

Abstract: A method for routing audio content through an electronic device that is to be worn by a user. The method obtains a communication and determines whether the communication is private. In response to determining that the communication is private, the method drives a bone conduction transducer of the electronic device with an audio signal associated with the communication. In response to determining that the communication is not private, however, the method drives a speaker of the electronic device with the audio signal.

Abstract: An electronic device is provided. The electronic device includes a speaker, a communication module configured to communicate with an external electronic device, and a processor, wherein the processor is configured to identify whether the electronic device is worn, identify a function being executed by the processor, and control the output power of the communication module based on the identified whether the electronic device is worn and the identified function being executed.

Abstract: A display apparatus, which is electrically connected to a host, is provided. The display apparatus includes a display panel, a display controller, an audio interface, and an audio-processing chip. The display controller is configured to control displaying of the display panel. The audio interface includes a detection circuit configured to detect whether a pair of headphones is plugged into the audio interface. The audio-processing chip is configured to receive an audio signal from the host, and to convert the audio signal into an output audio signal. When the detection circuit detects that the pair of headphones has been plugged into the audio interface, the audio-processing chip adjusts strength of the output audio signal according to a headphone-volume setting of the display apparatus, and transmits the adjusted output audio signal to the pair of headphones for playback through the audio interface.

Abstract: Provided is a tactile sense presentation apparatus that includes a mounting portion, a pump unit, and a control unit. The mounting portion is mounted on a target object and includes a surface material which is deformable in at least a part of a contact portion with the target object. The pump unit includes a flow path, which is connected to the mounting portion, and feeds a fluid for deforming the surface material to the mounting portion. The control unit controls driving of the pump unit.