Various aspects include audio eyeglasses with a frame including: a lens region; a pair of arms extending from the lens region; a hinge coupling each of the pair of arms with the lens region; and a cable extending through each hinge, where each hinge includes: a body defining a cavity accommodating the cable; and a hinge mechanism within the body, the hinge mechanism having: a spring located in the lens region, the spring including at least one lever arm extending within the cavity; and a cam member contacting the lever arm of the spring, where the cam member includes: a first contact surface for resisting kickback from the spring when the audio eyeglasses are in a fully open position, and a second, distinct contact surface for resisting kickback from the spring when the audio eyeglasses are in a fully closed position.

Disclosed in the embodiments of the present application is a headset communication system. The headset communication system comprises: a bone conduction headset, comprising a first Bluetooth module; an intercom device, comprising a first external interface; an external communication module, comprising a second external interface and a second Bluetooth module. The external communication module is detachably provided in the intercom device and being coupled to the intercom device by means of the first external interface and the second external interface, and the bone conduction headset and the intercom device perform Bluetooth pairing by means of the first Bluetooth module and the second Bluetooth module so as to establish a Bluetooth connection.

The present disclosure relates to an acoustic output device including an earphone core, a controller, a Bluetooth module, and a button module. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The Bluetooth module may be configured to connect the acoustic output device with at least one terminal device. The button module may be configured to implement an interaction between a user of the acoustic output device and the acoustic output device.

A voice enhancing device amplifies and clarifies the voice of a user with hypophonia or other voice issues. The device includes a collar of either rigid or a soft material that is shaped to comfortably sit on the shoulders of the user. One or more microphone arrays are adjustably mounted to the collar to capture audio of the user talking. An electronics module enhances the captured audio signal and generates an enhanced audio signal that drives at least one speaker adjustably attached to the collar. The electronic controller implements one or more of an AGC amplifier to correct amplitude variation in spoked words, adaptive filtering to actively filter out background noise, a variable attack and decay function to improve intelligibility of the spoken words, a diphthong modification function to clarify the spoken words, and an echo cancelation function to reduce echo and feedback in the enhanced audio.

A headset which includes an earpiece; a flexible headband coupled to the earpiece, the flexible headband including a flex sensing component, the headband profile sensing component determining when the headset is in a headset un-used orientation and a headset used orientation; and, a smart power control system, the smart power control system performing a smart power control operation based upon whether the headset is in the headset un-used orientation or the headset used orientation.

The present disclosure provides an acoustic output apparatus. The acoustic output apparatus includes a speaker assembly, configured to convert an audio signal into a sound signal; an ear hook assembly, including an ear hook housing and a connecting part, the ear hook housing having an accommodating space to accommodate a battery assembly and/or a control circuit assembly, one end of the connecting part connecting to the speaker assembly, and the other end of the connecting part connecting to the ear hook housing, wherein the connecting part includes at least one first wire clamping part used to restrict a set of lead wires drawn out from the speaker assembly and extending into the accommodating space, the set of lead wires electrically connect the speaker assembly to the battery assembly and/or the control circuit.

Methods and apparatuses for heart rate detection are described. In one example, a headphones apparatus and method includes emitting a first light in a first light direction directed at a left ear location from a left ear light emitter, and detecting a detected first light at a left ear light detector following interaction of the first light with a left ear tissue. The method includes emitting a second light in a second light direction directed at a right ear location from a right ear light emitter, the right ear location different from the left ear location. The method further includes detecting a detected second light at a right ear light detector following interaction of the second light with a right ear tissue, and estimating a heart rate from the detected first light and the detected second light.

Various implementations include headphone systems. In one implementation, a headband for a headphone system, includes: a continuous spring section sized to extend over a head of a user; an earcup mount coupled with an end of the continuous spring section, where the earcup mount allows for both translation and rotation of an earcup relative to the continuous spring section without altering a length of the continuous spring section; and a friction assembly spanning between the continuous spring section and the earcup mount.

A modular audio system which includes an acoustic module configured to be removably engaged with a head-worn peripheral device. In some examples, the head-worn peripheral device is a pair of eyeglass frames and the acoustic module is configured to removably secure to a socket arranged on the inside face of the temples of the eyeglasses. The acoustic module can slidingly, pivotably, and/or magnetically engage with the socket such that, when secured, the acoustic module is configured to generate acoustic energy in the form of audible sound proximate a user's ear while the user is wearing the head-worn peripheral device. In other examples, the temples of the head-worn peripheral device are configured to slidingly engage with a sleeve, where the sleeve includes a pocket configured to slidingly engage with the acoustic module.

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.