Abstract: An open-ear headphone with an acoustic module configured to be located at least in part in a concha of an outer ear of a user. The acoustic module comprises a housing that contains an acoustic transducer. There is a first sound-emitting opening in the housing that is configured to emit sound produced by the acoustic transducer. The acoustic module defines a central longitudinal axis and the first sound-emitting opening is offset from the central axis.

Abstract: A method for user recognition and emotion monitoring based on a smart headset is provided. The smart headset includes an earplug part and a main body, wherein the earplug part is provided with a first microphone and a wearing detection sensor, and a housing of the main body is provided with a signal amplification circuit, a communication module, and a microcontroller. The wearing detection sensor is to detect whether a user wears the smart headset, and the first microphone is to obtain a sound signal in an ear canal. The sound signal is amplified, and then is outputted to the microcontroller. The amplified sound signal is transmitted by the microcontroller to a smart terminal paired with the smart headset to extract a heart sound signal characteristic, and legality of—identity of the user is validated and emotional state of the user is inferred according to the heart sound signal characteristic.

Abstract: An in-ear electronic device comprising: an enclosure that defines an enclosed space surrounding a driver and an acoustic vent to an ambient environment surrounding the enclosure; and an acoustic frame having an outer surface coupled to the enclosure and defining an acoustic channel between a back volume chamber of the driver to the acoustic vent.

Abstract: An ear mount includes a body part mounted on a conchal cavity and an insertion part mounted on a cylindrical part and inserted into an ear canal. A cover configured to cover an inner housing of the body part with a protrusion formed thereon includes: a first end sealed and fixed to the inner housing; an intermediate part separated from the inner housing to form an air chamber between the intermediate part and the inner housing, and configured to cover the protrusion; a second end located opposite to the first end with the intermediate part therebetween; and an opening located at the second end and through which the cylindrical part is inserted. The ear mount includes a pressure regulator for controlling ventilation of air between the air chamber and an outer space through the opening in accordance with a pressure difference between the air chamber and the outer space.

Abstract: A wireless power transfer system is provided for mobile charging of one or more listening devices. A case configured for attachment to a mobile electronic device having a wireless power transfer antenna includes a first plate and a second plate expandably connected to the first plate, such that when expanded, the first plate and a second plate define a hollow for each of the listening devices. Each hollow is shaped and located to hold a listening device in a coupling position with the wireless power transfer antenna of the mobile electronic device when the case is mounted to the mobile electronic device. An attachment may be used to mount the case to the mobile electronic device.

Abstract: A wireless power transfer system is provided for mobile charging of one or more listening devices having wireless power receiving antennas couplable to a wireless power transfer antenna. The system includes a case configured for attachment to a mobile electronic device having a wireless power transfer antenna. The case includes a hollow for each of the listening devices, with each hollow being shaped and located to hold a respective listening device in a coupling position with the wireless power transfer antenna of the mobile electronic device when the case is mounted to the mobile electronic device. An attachment may be used to mount the case to the mobile electronic device.

Abstract: An information handling system presents audible sounds from audio information at an in-ear monitor having a speaker in a speaker housing that directs sound through a speaker tube. An angular alignment mechanism adjusts the angular orientation of the speaker tube relative to the speaker housing and a vertical alignment mechanism adjust the distance that the speaker tube extends out from the speaker housing. Position sensors detect the position of the ear tube so that an audio processor can apply the position to adjust the sound output from the speaker and the noise cancellation provided in response to external noise detected by a microphone within the speaker housing.

Abstract: Embodiments of the present disclosure provide an earphone, comprising a sound production component including a transducer and a housing. The earphone further includes and an ear-hook, wherein the ear-hook places the sound production component at a position near an ear canal but not blocking the ear canal. The sound production component and the ear-hook have a first projection and a second projection, respectively, on a sagittal plane. A first distance exists between a centroid of the first projection and a highest point of the second projection along a vertical axis direction, and a ratio of the first distance to a height of the second projection along the vertical axis direction is in a range of 0.35 to 0.6. A sound outlet is provided on an inner side surface of the housing, other side surfaces of the housing are provided with one or more pressure relief holes.

Abstract: The invention provides a multifunctional sounding device having a housing body with a containment cavity and a sounding unit. The sounding unit includes a vibration system and a magnetic circuit system that drives the vibration system along a first direction. The magnetic circuit system includes a main magnet and a secondary magnet to form a magnetic gap. The multifunctional sounding device further includes an elastic assembly fixedly connected to the housing body, a weight connected to the elastic assembly, and a driving coil fixed to the weight and vibrating together with the weight along a second direction. The driving coil includes a first side edge and a second side edge disposed opposite to the first side edge. The device has both a vibration feedback function and a voice feedback function, which is beneficial to reduce the volume of the electronic device.

Abstract: An earbud includes a housing having a main body portion having a speaker port and a stoke extending from the main body portion; a radiator disposed in the stoke to radiate radio signals to the outside of the earbud; and a printed circuit board (PCB) configured to be electrically connected to the radiator. The radiator includes a first conductive pattern formed on a first surface in the stoke; a second conductive pattern formed on a second surface perpendicular to the first surface; and a connection portion configured to electrically connect the first conductive pattern and the PCB. The first conductive pattern and the connection portion may be configured to radiate signals in a first frequency band, and the first conductive pattern and the second conductive pattern may be configured to radiate signals in a second frequency band different from the first frequency band.

Abstract: Playback devices such as headphone devices can include an earpiece configured to be positioned adjacent a user's ear. The earpiece can include a transducer having a diaphragm configured to face toward the user's ear when the earpiece is positioned adjacent the user's ear, as well as an outlet vent in fluid communication with the transducer and a microphone. A support member within the earpiece includes a first opening aligned with the microphone and a second opening aligned with the outlet vent. An acoustic mesh extends over the first opening and the second opening, wherein the mesh has a substantially uniform acoustic impedance.

Abstract: The present invention relates to an earphone charging case with adapter function, which comprises an AC/DC conversion circuit, a DC power output circuit and an earphone charging circuit. The DC power output circuit has a charging protocol circuit. The AC/DC conversion circuit is connected with the charging protocol circuit, the charging protocol circuit is connected with the earphone charging circuit, and the AC/DC conversion circuit is configured for accessing an alternating current and converting AC into DC. The earphone charging circuit is configured for charging a battery in the earphone charging case and earphones, and the DC power output circuit is configured for charging mobile terminals. Due to combination of two functions, the consumers will reduce purchase of single-function electronic products, and thus preventing more products from being idle; achieving optimization of product functions, playing a leading role in environmental protection.

Abstract: The earphone includes a sound generation component including a transducer; at least a portion of the sound generation component extending into a concha cavity of a user; and an ear hook including a first portion and a second portion, the second portion being connected to the first portion, and being connected to the sound generation component to place the sound generation component at a position near an ear canal without blocking an opening of the ear canal. The sound generation component has a first projection on a sagittal plane, and the auricle has a second projection on the sagittal plane. A centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction. A ratio of the first distance to a height of the second projection in the vertical axis direction may be in a range of 0.35-0.6.

Abstract: The present disclosure relates to a pair of glasses. The pair of glasses may include a frame, one or more lenses, and one or more temples. The pair of glasses may further include at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, and a controller. The at least one low-frequency acoustic driver may be configured to output sounds from at least two first guiding holes. The at least one high-frequency acoustic driver may be configured to output sounds from at least two second guiding holes. The controller may be configured to direct the low-frequency acoustic driver to output the sounds in a first frequency range and direct the high-frequency acoustic driver to output the sounds in a second frequency range. The second frequency range may include one or more frequencies higher than one or more frequencies in the first frequency range.

Abstract: An earphone, including a sound production component; an ear-hook configured to place the sound production component near an ear canal without blocking an opening of the ear canal, at least a portion of the sound production component extends into a concha cavity; and a microphone assembly including a first microphone and a second microphone disposed in the sound production component or the ear hook, the sound production component or the ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and the second microphone, respectively; wherein a projection of the first sound hole on a sagittal plane and a projection of the second sound hole on the sagittal plane have a first distance, a ratio of the first distance to a size of a projection of the sound production component on the sagittal plane along a major axis direction is 0.7-1.2.

Abstract: The earphone includes a sound generation component including a transducer; at least a portion of the sound generation component extending into a concha cavity of a user; and an ear hook including a first portion and a second portion, the second portion being connected to the first portion, and being connected to the sound generation component to place the sound generation component at a position near an ear canal without blocking an opening of the ear canal. The sound generation component has a first projection on a sagittal plane, and the auricle has a second projection on the sagittal plane. A centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction. A ratio of the first distance to a height of the second projection in the vertical axis direction may be in a range of 0.35-0.6.

Abstract: An earphone which includes a sound production component and an ear hook may be provided. The sound production component includes a transducer and a housing accommodating the transducer. A first portion of the ear hook is hung between an auricle and the head of a user, and a second portion extends toward a side of the auricle away from the head and is connected to the sound production component. In a non-wearing state, the ear hook and the sound production component form a first projection on a first plane; in a wearing state, the ear hook and the sound production component form a second projection on a sagittal plane of a human body. Each of the first projection and the second projection includes an outer contour, a first end contour, an inner contour, and a second end contour.

Abstract: The present disclosure relates to an earphone, comprising: a sound production component, at least a portion of the sound production component extending into a concha cavity; ear hook disposed between an auricle and a head of the user, extending toward a side of the auricle away from the head, and connecting the sound production component; in a non-wearing state, the ear hook and the sound production component form a first projection on a first plane comprising an outer contour, a first end contour, an inner contour, and a second end contour, the outer contour, the first end contour, the second end contour, and a tangent segment connecting the first end contour and the second end contour define a first closed curve, a ratio of a projection area of the sound production component on the first plane to a first area of the first closed curve is between 0.25 and 0.4.

Abstract: A headset including an in-ear microphone is disclosed, the headset including a first frame including a first surface toward a first direction, a second surface toward a second direction opposite to the first direction, and a side surface surrounding at least part of a space between the first surface and the second surface, a speaker seating portion formed by recessing by a specific depth from a first portion of the first surface toward the second surface, a space formed between the speaker seating portion and the second surface, a speaker hole penetrated from the speaker seating portion to the space, a microphone hole penetrated from a second portion of the first surface to the space, an acoustic hole formed by penetrating the second surface from the space, a speaker seated in the speaker seating portion, a first printed circuit board disposed on the second portion and having a via hole connected with the microphone hole, a second printed circuit board electrically connected with the first printed circuit boa

Abstract: Embodiments are disclosed for volume control of ear devices. In an embodiment, a method comprises: determining a reference attitude of the ear device based on sensor data collected by motion sensors of the ear device; storing the reference attitude; receiving, with at least one processor, a first user input indicating a user request for a volume control mode of the ear device; receiving a rotation input; determining, with the at least one processor, an amount of volume level increase/decrease based on attitude change relative to the reference attitude due to the rotation input; adjusting a volume level of the ear device in accordance with the volume level increase/decrease; and receiving second user input indicating a second user request to release the volume control mode.

Abstract: Methods and systems are provided for earphones with motion sensitive inflation. Information may be obtained relating to a user of an audio output element that outputs audio signals, with at least portion of the audio output element being in contact with the user. One or both of outputting of the audio signals and the contact between the audio output element and the user may be assessed based on the obtained information. Based on the assessing, one or more adjustments applicable to the audio output element may be determined, with at least one adjustment applying to positioning of the at least portion of the audio output element. The determining includes configuring the at least one adjustment to account for and/or counteract effects of the positioning on one or both of outputting of the audio signals and the contact between the audio output element and the user.

Abstract: The present disclosure provides an earphone including a sound production component, an ear hook, and a microphone assembly. The microphone assembly includes a first microphone and a second microphone. The sound production component or ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and second microphone, respectively. An extension line of a line connecting a projection of the first sound hole on a sagittal plane of the user and a projection of the second sound hole on the sagittal plane has an intersection point with a projection of an antihelix, a ratio of a first distance between the projection of the first sound hole on the sagittal plane and the projection of the second acoustic hole on the sagittal plane to a second distance between the projection of the second acoustic hole on the sagittal plane and the intersection point is 1.8-4.4.

Abstract: The present disclosure relates to an open earphone. The open earphone may include a sound production device and an ear hook including a first part and a second part connected in sequence. The first part may be hooked and arranged between an auricle and a head of a user. The second part may extend to a front lateral surface of the auricle and may be connected to the sound production device. The sound production device may be worn at a position that is near an ear canal without blocking an earhole of the user. The sound production device may be at least partially inserted into an auricular concha cavity of the user. An overlap ratio of a projection area of the sound production device on a sagittal plane to a projection area of the auricular concha cavity on the sagittal plane may be not less than 44.01%.

Abstract: A sound output device includes a device main frame in which at least a speaker is disposed, and an attachment aid member that is joined to the device main frame. In the sound output device, the attachment aid member includes an annular support portion at least a part of which is inserted into a cavum concha, and the annular support portion includes a contact portion that comes into contact with a part of an ear in the cavum concha while being elastically deformed. With this arrangement, the contact portion of the annular support portion inserted into the cavum concha comes into contact with a part of the ear in the cavum concha while being elastically deformed. Accordingly, it is possible to attach the sound output device to the ear, using the attachment aid member, regardless of the size and the shape of the ear.

Abstract: Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.

Abstract: The present disclosure provides an open earphone comprising: a sound producer including a transducer and a housing accommodating the transducer; and an ear hook, the ear hook including a first portion and a second portion; wherein the ear hook and the sound producer form a first projection on a first plane, the first projection including an outer contour, a first end contour, an inner contour and a second end contour, and the outer contour, the first end contour, the second end contour and a tangent segment connecting the first end contour and the second end contour jointly define a first closed curve.

Abstract: Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.

Abstract: An earpiece with structure for positioning and retaining the earpiece and with structure for sealing against the entrance to the ear canal to provide passive noise attenuation. The positioning and retaining structure engages features of the lateral surface of the ear. The structure for sealing against the entrance to the ear canal includes a conical structure.

Abstract: The present disclosure provides an earphone including a sound production component, an ear hook, and a microphone assembly. The microphone assembly includes a first microphone and a second microphone. The sound production component or ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and second microphone, respectively. An extension line of a line connecting a projection of the first sound hole on a sagittal plane of the user and a projection of the second sound hole on the sagittal plane has an intersection point with a projection of an antihelix, a ratio of a first distance between the projection of the first sound hole on the sagittal plane and the projection of the second acoustic hole on the sagittal plane to a second distance between the projection of the second acoustic hole on the sagittal plane and the intersection point is 1.8-4.4.

Abstract: The present disclosure relates to an open earphone. The open earphone may include a sound production device and an ear hook including a first part and a second part connected in sequence. The first part may be hooked and arranged between an auricle and a head of a user. The second part may extend to a front lateral surface of the auricle and may be connected to the sound production device. The sound production device may be worn at a position that is near an ear canal without blocking an earhole of the user. The sound production device may be at least partially inserted into an auricular concha cavity of the user. An overlap ratio of a projection area of the sound production device on a sagittal plane to a projection area of the auricular concha cavity on the sagittal plane may be not less than 44.01%.

Abstract: A wireless earbud including an outer housing, an internal assembly, and an inner housing. The outer housing and the inner housing may couple together to form a water tight enclosure for the internal assembly. The internal assembly may include components that carry out a function of the wireless earbud, such as printed circuit boards, network interfaces, batteries, loudspeakers, and so forth. The outer housing may also include a proximity sensor for receiving touch and/or antenna(s) for communicatively coupling the wireless earbud to other electronic devices. Additionally, the inner housing may include a charging module for the wireless earbud.

Abstract: An in-ear earphone, including a casing, a speaker, and an attenuation guide, is provided. The casing includes a sound outlet and a first through hole. An inside of the casing has a first accommodating space. The speaker is disposed in the first accommodating space. The casing defines a front cavity and a rear cavity by the speaker. The attenuation guide is formed in the casing and includes at least a first attenuation channel and a second attenuation channel. The first attenuation channel has a first inlet and a first outlet. The first inlet is connected to the first through hole. The second attenuation channel has a second inlet and a second outlet. The second inlet, the first outlet, and the rear cavity are acoustically connected, and the second outlet is connected to the front cavity.

Abstract: An audio system includes a speaker and a processor. The processor determines a privacy setting for an audio signal. The privacy setting may be selected by a user. The privacy setting may indicate activation of a private mode, or may indicate a privacy level from a range of privacy levels. The processor determines an audio filter that adjusts the audio signal to mitigate sound leakage when presented by the speaker based on the privacy setting. The audio filter may include a low-pass filter and a multiband compressor. The parameters of the audio filter may vary based on the privacy setting. The processor applies the audio filter to the audio signal to generate a filtered audio signal and provides the filtered audio signal to the speaker.

Abstract: A three-dimensional earpiece production system for additive manufacturing of a three-dimensional earpieces based on scanned images of an ear which conformably engage the outer ear of a wearer.

Abstract: An earphone comprising a rear chamber and a vent structure. The vent structure comprises a longitudinal recess in the housing wall, which recess is defined by a bottom wall and recess walls connecting the bottom wall and the housing wall, a recess opening in the recess, which recess opening connects the recess and the rear chamber, a mesh device arranged parallel with the bottom wall, whereby a longitudinal recess cavity is provided between the bottom wall and the mesh structure. The invention also relates to the manufacturing such an earphone.

Abstract: Technology for a wearable heart rate monitoring device is disclosed. The wearable heart rate monitoring device can include a heart rate sensor operable to collect sensor data, a modulator operable to generate a modulated signal that includes the sensor data, a housing configured to engage a body feature or surface in a manner that allows for heart rate detection, and a communication module configured to transmit the sensor data in the modulated signal to a mobile computing device via a wired connection that is power limited. The mobile computing device is typically configured to demodulate the modulated signal in order to extract the sensor data.

Abstract: The present application discloses a sound-output device, a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The vibration speaker is coupled to the air-conducted speaker through a mechanical structure; and the bone-conducted sound wave is input to the air-conducted speaker at least in part as an input signal.

Abstract: Embodiments relate to an audio system configured to provide enhancement of low audio frequencies. The audio system includes a tissue transducer and a speaker coupled to the tissue transducer. The tissue transducer is configured to be coupled to a tissue of a user (e.g., pinna of a user's ear). The speaker includes a diaphragm having a first surface and a second surface that is opposite the first surface. The first surface is configured to generate a first set of airborne acoustic pressure waves, and the second surface is configured to generate a backpressure. The tissue transducer is driven by the backpressure to vibrate the tissue to form a second set of acoustic pressure waves. The first set of airborne acoustic pressure waves and the second set of acoustic pressure waves together form audio content that is presented to the user.

Abstract: Various aspects include wearable audio devices and related systems. In particular implementations, a wearable audio device includes: a base having: an acoustic transducer; a controller coupled with the acoustic transducer; and terminals for connecting a power source; and a first cap including: an antenna; and a battery including terminals for connecting with the terminals in the base, where the first cap is removably coupled to the base.

Abstract: A device includes a balloon inflation module having an involuted balloon housed within a lumen, an integrated reservoir in fluid communication with the involuted balloon where the balloon inflation module is configured to selectively displace a volume of fluid from the integrated reservoir into the involuted balloon and from the involuted balloon into the integrated reservoir. The device also includes a port configured to receive an accessory module. In one embodiment, the accessory module is a communication module having a logic circuit coupled to an ambient microphone configured to pick up ambient audio content, an ear canal microphone configured to pick up audio in the proximity of an ear canal, and an ear canal receiver configured to provide audio content in the proximity of the ear canal. In some embodiments, the integrated reservoir is formed within portions of a push button spring-loaded pump assembly. Other embodiments are disclosed.

Abstract: An earphone comprising housing, a speaker, a speaker protrusion extending along a protrusion axis and comprising an inner protrusion surface and an outer protrusion surface, a resilient eargel comprising an inner eargel surface and an outer eargel surface. The eargel is detachably attached to the speaker protrusion, such that the outer protrusion surface abuts an abutment part of the inner eargel surface in an abutment zone extending along the protrusion axis. The eargel is adapted to be inserted into the outer ear of a user, such that it abuts the ear canal of a user, whereby a cavity is provided between at least the speaker, the inner protrusion surface, the inner eargel surface and the ear canal. The earphone is provided with a vent channel coupling the cavity and the ambient, wherein the vent channel comprises a groove (8) in the outer protrusion surface or the inner eargel surface.

Abstract: An earbud design is disclosed that is configured to sit securely within an ear of a user. The earbud can be secured within the ear by an anchoring feature formed from an elastomeric material. The anchoring feature has a size and shape in accordance with an interior geometry of an ear of a user. Because the anchoring feature positions the earbud with respect to the ear, geometries of the earbud can be focused upon audio performance and/or device aesthetics. In some embodiments, the earbud housing can have a linear design which allows an audio driver within the earbud housing to be positioned close to an opening defined by the earbud housing. In this way, acoustic degradation associated with a long audio path from the audio driver to the opening can be avoided.

Abstract: Disclosed herein are apparatuses for manipulation of an ear device within the ear canal of a subject. Also disclosed herein are methods of using said apparatuses for the insertion, removal, or other manipulations of the ear device. Also disclosed herein are methods of making the apparatuses, and kits containing the apparatus with instructions for use.

Abstract: A hearing device includes: a sensor configured for placement in an ear canal of a user of the hearing device, the sensor configured to provide a sensor signal; a processing unit coupled to the sensor; and a receiver coupled to the processing unit, wherein the receiver is configured to provide an audio output; wherein the processing unit is configured to determine a presence of eye-movement related eardrum oscillation based at least in part on the sensor signal. The detected eye-movement related eardrum oscillations may be used to change a processing in the hearing device.

Abstract: An earpiece including an intra-auricular support positionable in an auricle of an ear, a portion of the intra-auricular support configured as an intra-auricular support base securable to an earphone housing of an earphone.

Abstract: The present disclosure relates to audio data processing methods and devices. One example method includes obtaining a first audio data and a second audio data, converting the first audio data into a first channel of audio data and converting the second audio data into a second channel of audio data, and at least one of outputting the first channel of audio data to a first audio output device or outputting the second channel of audio data to a second audio output device.

Abstract: The technology provides a device, such as a wireless earbud, with capacitive sensing capabilities. For instance, the device may include a housing, and a conductive support positioned inside the housing. The device may further include one or more processors configured to measure a combined capacitance of a plurality of electrodes at the conductive support. Based on the combined capacitance, the one or more processors may detect that the conductive support is inserted into an ear. The one or more processors may then operate the device in a first mode based on detecting that the conductive support is inserted into an ear.

Abstract: Embodiments of the present application provide a wearable device, a wearing detection method and a storage medium. The wearable device includes: a device housing; a capacitive sensor, a processing module and a metal structural component which are provided inside the device housing, where the metal structural component is adhered to the capacitive sensor. The metal structural component is configured to increase an electrostatic induction region of the capacitive sensor; the processing module is configured to: obtain a real-time capacitance value and an inherent capacitance value of the capacitive sensor to ground, determine a real-time difference between the real-time capacitance value and the inherent capacitance value, and determine the wearable device to be in a worn state when the real-time difference is greater than a preset threshold.

Abstract: A tinnitus treatment device may include a sound generation unit configured to generate an electrical stimulus, and an open earphone operably coupled to the sound generation unit to produce acoustic vibrations based on the electrical stimulus. The open earphone may include an auditory passage and the open earphone may be insertable into an ear canal of a person such that the auditory passage enables sound to pass substantially unobstructed by the device into the ear canal of the person. The sound generation unit may be configured to be adjustable to tune the electrical stimulus based on a characteristic of tinnitus symptoms experienced by the person.

Abstract: The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present invention and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.