An earphone is provided, the earphone being configured to provide an acoustic output signal to an ear of a wearer in dependence on an earphone audio signal and further configured to be arranged on the wearer's head in an operating position such that a front cavity between the head and the earphone is separated from ambient space. The earphone comprises a housing having a housing wall separating a rear cavity from the front cavity and from ambient space, an ear cushion, a first diaphragm suspended across an opening in the housing wall between the front cavity and the rear cavity and configured to be actively driven. The earphone further has a port structure fluidly connecting the rear cavity and ambient space through the housing wall. The port structure having a first open end fluidly coupled to the rear cavity and a second open end fluidly coupled to ambient space, and having a port cavity defined by the first open end, the second open end and a port wall, the port wall extending from the housing wall into the rear cavity and/or into the ambient space. The port wall has one or more acoustically permeable sections fluidly connecting the port cavity with the rear cavity and/or the ambient space through the port wall.

The present invention relates to a loudspeaker (1). The loudspeaker (1) includes: a U-yoke for holding a magnet having a base (12) with an upstanding side (14) around the perimeter of the base (12); a frame (20) having a ring (22) around the U-yoke, the ring having a U-shaped cross-section orientated with a base (24) of the U abutting the side (12) of the U-yoke; a dome shaped diaphragm (40) connected to the frame (20) by a resilient member (30) around the dome (40), the resilient member (30) and the dome (40) being suspended from the frame (20); a first cavity (70) defined by the dome (40), resilient member (30), frame (20) and U-yoke; an external wall (80) around the circumference of the frame (20), the external wall (80) sealing a top of the U-shaped cross-section of the ring (22) forming a second cavity (100) between the external wall (80) and the ring (22); a port (110) in the frame (20) between the first cavity (70) and second cavity (100), wherein the first cavity (70) and second cavity (100) and the port (110) form a Helmholtz resonator system. The shape of the frame (20) in combination with the external wall (80) allows a Helmholtz resonator system to be established within the existing footprint of the loudspeaker.

A personal audio equipment provided with an air vent unit and a noise cancellation function, comprising: a sound reproduction unit in a form modified to have an air vent unit that may partly open an ear canal; a speaker cover unit; the air vent unit; a noise cancellation unit; and a sound wave sensor. Due to having the air vent unit penetrating the center of the audio equipment, the personal audio equipment provided with an air vent unit and a noise cancellation function is capable of discharging moisture, easily sensing outside sounds when not in use, effectively blocking the outside sounds by automatically operating the noise cancellation function during a phone conversation, and sensing sound waves, such as alert or horn sounds that require a user's attention, to thereby block the noise cancellation function when necessary.

The utility model relates to an earphone with air release valve, comprising a shell, the shell is provided with an earphone rear cavity for accommodating a sounding unit, the sounding unit is placed in the earphone rear cavity and fixedly connected with the shell, the side of the shell facing the human ear is connected with an ear pad, the earphone is provided with an air release hole on the earphone shell between the earphone rear cavity and the earphone sound chamber cavity, and the air release hole is provided with an air release valve which automatically opens due to the increase of pressure. Therefore, when the people wear the earphone or transmit the earphone, the instantaneous pressure wave produced in the sound chamber cavity can be discharged from the air release valve. As for the earphone of the utility model, the vibrating diaphragm is less affected by the airflow interference such that the earphone is characterized by higher sound purity and better hearing experience compared with those earphones only having the air release hole rather than the valve.

Intra-concha earphones are disclosed. In an embodiment, an intra-concha earphone includes a housing having a rear space divided into a back volume, a bass duct, and a vent chamber between a driver and a rear wall. The vent chamber may be acoustically coupled with the back volume through both an acoustic port and the bass duct. Furthermore, the vent chamber may be acoustically coupled with a surrounding environment through a vent port, which may be a sole acoustic opening in the rear wall. Thus, sound emitted by the driver may propagate through the acoustic port and the bass duct to meet in the vent chamber before being discharged through the vent port to the surrounding environment. Other embodiments are also described and claimed.

The present disclosure provides an earphone device with sound adjustment capability that allows a user to dynamically adjust sound acoustics resonating from the device. In one aspect, the earphone device includes a housing having an acoustic output port. The acoustic output port is adapted to receive an audio signal. In this regard, sound resonates from the acoustic output port based on the audio signal. The earphone device also includes a telescopic portion having a hollow tube portion attached to the housing. The hollow tube portion may be in communication with the acoustic output port. The telescopic portion is configured to receive a fitting member. The fitting member is configured to adjust a bass range of the outputted sound resonating from the acoustic output port by passing through the telescopic portion so as to adjust a length of the hollow tube portion.

Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the auxiliary structure comprises a front cover and a housing; a front acoustic cavity is defined as a space between the front cover and the loudspeaker unit, and a rear acoustic cavity is defined as a space between the housing and the loudspeaker unit; an acoustic guide channel capable of enhancing low-frequency performance of the earphone is disposed on one side of an inner sidewall of the housing closer to the loudspeaker unit; the acoustic guide channel comprises an open end and a closed end, and a bottom wall of the acoustic guide channel is provided with a plurality of through holes at a position closer to the closed end. An earphone with this structure improves low-frequency and middle-frequency sound effects of products, and makes the earphone have a good appearance.

A headphone assembly is described having a concha-style headphone including an earpiece at least partially covered in dual foam and a headband for providing a clamping force sufficient to the seal the concha of a user's with the earpiece. The earpiece may be shaped to fit different concha sizes and shapes to provide a universal fit. The dual foam may include a layer of memory foam underneath acoustically-transparent, porous outer foam. The earpiece may further include a transducer and at least one microphone positioned with the earpiece to receive sound radiated by the transducer and noise. The headphone assembly may be equipped with an active noise-canceling (ANC) control system configured to receive an audio input signal from an audio source and provide a filtered audio output signal to the transducer based on part on a perceived frequency response of the headphone as measured by the microphone.

A microphone porting and venting assembly (100) is formed of a remote support substrate (118) providing a (130) acoustically resistive element with dedicated venting cavities (132) along with an external baffle (220) providing acoustic channels (212, 214, 216) which further provide water drainage and external sound sampling points (222, 224, 226). The microphone porting and venting assembly (100) is well suited waterproof, noise cancelling microphone systems.

An in-ear electronic device comprising: an enclosure that defines an enclosed space surrounding a microphone and an acoustic opening to an ambient environment surrounding the enclosure; an acoustic pathway having a first end that opens to the acoustic opening and a second end that opens to the microphone; and a protective membrane positioned between the second end of the acoustic channel and the microphone.