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 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.

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: Systems and methods are presented for providing to filter unwanted sounds from a media asset. Voice profiles of a first character and a second character are generated based on a first voice signal and a second voice signal received from the media device during a presentation. The user provides a selection to avoid a certain sound or voice in association with the second character. During a presentation of the media asset, a second audio segment is analyzed to determine, based on the voice profile of the second character, whether the second voice signal includes the voice of a second character. If so, the second voice signal output characteristics are adjusted to reduce the sound.

Abstract: A headphone, having a sleep mode and a full-power operation mode, includes a sensor set to detect a state of a wearer in a sleep state or an awake state, Active Noise Cancellation (ANC) earphones, and a controller coupled to the sensor set and the earphones, which can control the headphone to switch between the sleep and the full-power operation modes based on the detected state of the wearer. Once the controller determines the wearer falling into the sleep state, the controller will switch the headphone from the full-power operation mode to the sleep mode, turn off the earphones, and increase the wearer state detection interval used while the headphone being in the sleep mode. This may reduce power consumption of the headphone and help improve the sleep quality of the wearer.

Abstract: An apparatus for fitting an earphone device in an ear canal using an anatomically shaped, compressible cushion member with a through channel and a spacer member extending from its side wall, but not connecting to its other side wall, thus providing sufficient acoustic signal transmission to the ear canal in all circumstances by ensuring a 5 minimum clearance C between the opposing side walls of the channel in both a non-compressed state and a compressed state of the cushion member, while also allowing for a flexible and comfortable design.

Abstract: At least one exemplary embodiment is directed to a communication device that includes a microphone configured to detect an acoustic signal from an acoustic environment, and a processor, configured to detect an acoustical dampening between the acoustic environment and the microphone, based on a change in a characteristic of the acoustic signal and, responsive to the acoustical dampening, apply a compensation filter to the acoustic signal to form a compensated acoustic signal that is reproduced. Other embodiments are disclosed.

Abstract: A BLUETOOTH earphone includes an antenna, the antenna comprises an antenna radiator, a first connecting portion, a second connecting portion, and a third connecting portion. The antenna radiator is located on a first portion of a flexible printed circuit (FPC) which is disposed in the earphone handle portion. The first connecting portion is a main ground of the BLUETOOTH earphone. The second connecting portion, is located on the earphone handle portion, and comprises a ground point. The third connecting portion is located on the earphone handle portion, and is connected to a first position on the second connecting portion other than the ground point, the third connecting portion and the antenna radiator are spaced apart with a first gap, and the third connecting portion is coupled to the antenna radiator through the first gap.

Abstract: An electrostatic transducer including a membrane, a first electrode and a second electrode. The first electrode is disposed parallel to the membrane. The membrane is configured to respond mechanically to a varying first electric field in accordance with respective electric potentials applied between the first electrode and the membrane. The second electrode is disposed parallel to the membrane opposite from the first electrode. The membrane is configured to respond mechanically to a varying second electric field in accordance with respective electric potentials between the second electrode and the membrane. The first and second electrodes have through holes configured for acoustic transmission to and from the membrane.

Abstract: This application relates to audio driving circuitry (100), and in particular to audio driving circuitry for outputting first and second audio driving signals for driving a stereo audio load (106), which may be a stereo audio load of an accessory apparatus (102) removably coupled to the audio driving circuitry in use. A load monitor (111) is provided for monitoring to monitor, from a monitoring node (112), an indication of a common mode return current passing through a common return path, together with an indication of a common mode component of the first and second audio driving signals and to determine an impedance characteristic of the stereo audio load. The load monitor (111) can provide dynamic monitoring of any significant change in load impedance. In some embodiments the load monitor (111) comprises an adaptive filter (301) which adapts a parameter of the filter which is related to the load impedance so as to determine the indication of load impedance.

Abstract: An ear covering device including a headband having opposing ends connected to ear cups. Outer shells are also included which are releasably connectable to the ear cups.

Abstract: A headphone and a headphone status detection method are provided. A signal processor of the headphone transmits a plurality of code messages to a first audio playback unit, so that the first audio playback unit plays a plurality of first audio signals with different frequencies corresponding to the code messages according to a playback sequence. The signal processor obtains a plurality of first time points at which a first audio receiving unit receives the first audio signals that are reflected for the first time. The signal processor determines a wear status of the headphone according to the plurality of first time points.

Abstract: An electronic device including a microphone; an output interface; and a processor configured to: based on a word registered on the electronic device by a user, detect a voice of a talker who utters the registered word from an audio signal received through the microphone; based on voice information of a registered talker who is registered on the electronic device, determine whether the detected voice is a voice of the registered talker; and based on the detected voice being determined as the voice of the registered talker, control the output interface to output a voice notification, wherein the registered word refers to the user.

Abstract: A first earbud configured to communicate with a user media device and a second earbud. The first earbud includes a battery, a battery monitor configured to determine a power level of the battery, a mode controller. The mode controller is configured to receive a first power level value from the battery monitor and a second power level value from the second earbud and make a determination that the first earbud is operating in a primary mode in which the first earbud receives audio data from the user media device and transmits the received audio data to the second earbud. The mode controller is further configured, in response to the determination that the first earbud is operating in the primary mode, switch the first earbud from the primary mode to a secondary mode based on at least one of the first power level and the second power level.

Abstract: An electronic device includes a housing, a male connector disposed on the housing, and a battery in the housing and electrically connected to the male connector. At least one cavity is formed in the housing, wherein a portion of the cavity includes a contact electrically connected to the battery. The male connector is configured for connecting to a second electronic device, and the at least one cavity is configured for receiving an in-ear wireless headphone. The battery is configured for simultaneously charging the second electronic device and the in-ear wireless headphone when the second electronic device is connected to the electronic device via the male connector, and the in-ear wireless headphone is positioned in the cavity.

Abstract: The present disclosure provides for detection of input to a wireless device, such as earbuds or other wearable devices, based on RF signals between the earbuds and/or between an earbud and other devices, such as a host device. For example, gestures may be detected using signal strength, such as by using a received signal strength indicator (RSSI), between two earbuds and/or between an earbud and a host device.

Abstract: A keyless control device is provided, wherein the first infrared sensor module generates an infrared trigger signal when the earphone is in a wearing state; the Bluetooth controller generates enable signals according to the infrared trigger signal, and the left-ear infrared sensor module generates a first detection signal according to a first enable signal; the right-ear infrared sensor module generates a second detection signal according to the second enable signal; the left-ear acceleration sensor module generates a third detection signal according to the third enable signal when detecting that the left-ear component is knocked; the right-ear acceleration sensor module generates a fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked; and finally, the Bluetooth controller performs the functions according to the detection signals.

Abstract: Disclosed is a method, a headset and a system for determining heart rate data of a user.

Abstract: A communication apparatus capable of easily switching communication between the communication apparatus and an external reproduction device. A communication section performs wireless communication with an earphone that is capable of automatically switching audio data transmitted from a plurality of communication apparatuses including the communication apparatus and reproducing the audio data. A state detection section detects whether or not the communication apparatus is used by a user. In a state in which the communication apparatus has not been used, when it is detected that the communication apparatus is used, the communication unit transmits a reproduction switching signal for switching the earphone to a state for reproducing audio data transmitted from the communication apparatus to the earphone before transmitting the audio data.

Abstract: A wearable hearing device operatively coupled to an information handling system comprising a housing for a speaker and a microphone, a magnetic slider switch moveable with respect to the housing between a closed position and an open position in response to a user's external force, a rolling magnet rotating within the magnetic slider switch during movement between the open and closed positions, a bar magnet fixed within the housing having a first pole attracting the rolling magnet in the closed position and a second pole attracting the rolling magnet in the open position to reduce the external force required to move the magnetic slider switch, a hall effect sensor to sense a change in distance to the rolling magnet during movement between the open and closed positions, and to associate the change in distance with a command instruction, and a microcontroller to execute or transmit the command instruction.

Abstract: A method is for determining a wearing state of earphones. The method includes determining an onto-ears event or off-ears event experienced by the earphones on the basis of first data indicating motion of the earphones. The method further includes determining a first wearing state of the earphones on the basis of second data indicating proximity of the earphones to a user's skin. The method additionally includes determining the wearing state of the earphones on the basis of the determined onto-ears event or off-ears event and the first wearing state. This increases the accuracy of detection of the wearing state of the earphones. Based on this more accurately determined wearing state, the earphones can switch appropriately between a low power consumption mode and a normal operating mode, thereby improving the energy consumption of the earphones.

Abstract: A holographic-based directional sound device is provided, the device including: a sound wave generating means generating a sound wave; and a flat plate configured to have the sound wave generating means installed at the center so as to radiate the sound wave to the outside through a surface, and to be composed of a plurality of unit cells, in which at least one groove is formed on a surface of the unit cell, and a radiation angle of the sound wave is determined according to a depth of the groove with respect to the unit cell, wherein the depth of the groove is determined by an individual surface admittance calculated by a cosine function or a sine function of the sum of a first value and a second value on the basis of a preset radiation angle of the sound wave and a preset frequency of the sound wave.

Abstract: A neckband earphone is provided, and a method, a system and a device for switching functions of the neckband earphone are provided. A key is provided on each of a left portion and a right portion of a neckband of the neckband earphone. The neckband is provided with a detector and a processor connected with the detector. The detector is configured to detect and determine a wearing orientation of the neckband earphone. The processor is configured to determine a function of the key on the left portion and a function of the key on the right portion based on the wearing orientation, to control key functions on a left side and a right side of a human body wearing the neckband earphone to remain unchanged for different wearing orientations.

Abstract: A wearable device can provide an audio module that is operable to provide audio output from a distance away from the ears of the user. For example, the wearable device can be worn on clothing of the user and direct audio waves to the ears of the user. Such audio waves can be focused by a parametric array of speakers that limit audibility by others. Thus, the privacy of the audio directed to the user can be maintained without requiring the user to wear audio headsets on, over, or in the ears of the user. The wearable device can further include microphones and/or connections to other devices that facilitate calibration of the audio module of the wearable device. The wearable device can further include user sensors that are configured to detect, measure, and/or track one or more properties of the user.

Abstract: A custom switchable hearing protection system includes an earplug and an electronic hearing device received in a recessed cavity in the earplug. The earplug includes a first portion disposed in a user's outer ear, a second portion disposed in the user's ear canal, and a sound tube extending through the second portion. 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 the sound tube, so that sound generated by the speaker assembly can propagate through the sound tube to the user's ear canal. A slider on the housing engages a switching device to activate or deactivate the electronics.

Abstract: Systems and methods for providing a musical or voice or sound audio perception enhanced by means of tactile stimuli are described. A signal representative of the musical or voice or sound audio is received and tactile stimuli is simultaneously generated. The tactile stimuli (ST) is modulated on the based of the received signal to generate modulated tactile stimuli (STM). The modulated tactile stimuli are applied to a listener, together with a sound diffusion of the musical or voice or sound audio so that the listener can enjoy the musical or voice or sound audio by both auditory stimuli and tactile stimuli.

Abstract: An audio apparatus is described for communicating with a user device, the audio apparatus comprising: a sensor configured to sense a user input and to generate an input signal representing the user input; and electronic circuitry operable to receive the input signal. The electronic circuitry is configured to: process the input signal, and generate a control signal for controlling at least one switch based on the input signal.

Abstract: Disclosed is a headphone including a headband and two ear cups connected to opposite ends of the headband. Each of the ear cups includes a shell, a front cover, and a light sensor. The shell has an open end. The front cover covers the open end of the shell. The front cover is in a basin form and has a peripheral sidewall and a bottom wall. The light sensor is located on the peripheral sidewall of the front cover. The light sensor includes a light-emitting unit and a light detection unit. When a user wears the headphone, light emitted by the light-emitting unit irradiates a flat portion of a back surface of an ear of the user.

Abstract: A sounding device a normal speaker being configured to output a first sound, a bone conduction speaker being configured to output a second sound, a storage unit being configured to store first and second data corresponding to the first and second sounds respectively, and an output control unit being configured to control outputting the first sound from the normal speaker and the second sound from the bone conduction speaker. The first sound is of talking. The second sound is of a pet. The output control unit is configured to control the bone conduction speaker to output the first sound, and to control the normal speaker to output the second sound.

Abstract: An apparatus, method and computer program for controlling an earphone device is disclosed. The apparatus may comprise means for detecting a condition corresponding to an earphone device becoming disengaged from a user's ear and for operating said earphone device in an adjustment mode based on detecting the condition, wherein, in the adjustment mode, an operation associated with a touch sensor on said earphone device is changed.