H04R2205/022

LOUDSPEAKER AND SOUND OUTPUTTING APPARATUS HAVING THE SAME

A sound outputting apparatus is provided. The sound outputting apparatus includes at least one loudspeaker, and a main body configured to house the at least one loudspeaker. Each of the at least one loudspeaker includes an acoustic transducer configured to generate a sound wave, and a sound guide part configured to directionally output the sound wave via a plurality of openings. A diameter of each of the plurality of openings is increased as a distance from the acoustic transducer increases.

VARIABLE STIFFNESS DIAPHRAGM FOR A PLAYBACK DEVICE
20240196146 · 2024-06-13 ·

A diaphragm for an audio transducer includes an annular body defining a central aperture, a first surface of the body extending between a radially inner edge adjacent the aperture and a radially outer edge, and a second surface of the body opposite the first surface, the second surface extending between the radially inner edge and the radially outer edge. Along a first azimuthal direction, the body has a first range of thicknesses extending between the first and second surfaces. Along a second azimuthal direction, the body has a second range of thicknesses extending between the first surface and the second surface, the second range of thicknesses being different than the first range of thicknesses.

ACOUSTIC TRANSDUCER UNIT

The invention relates to an acoustic transducer unit (1), in particular for in-ear headphones, having an electrodynamic acoustic transducer (2) comprising a first membrane (10), preferably with a membrane perforation (42), and having at least one MEMS acoustic transducer (3) comprising a second membrane (30). According to the invention, the acoustic transducer unit (1) comprises a circuit board (58) adapted such that a first rear volume of the electrodynamic acoustic transducer (2) is open and/or closes a second rear volume of the MEMS acoustic transducer (3). The invention further relates to an electronic component and to the use of an acoustic transducer unit.

ACOUSTIC TRANSDUCER UNIT

The invention relates to an acoustic transducer unit (1), in particular for in-ear headphones, having an electrodynamic acoustic transducer (2) comprising a first membrane (10), preferably with a membrane perforation (42), and having at least one MEMS sound transducer (3) comprising a second membrane (30). According to the invention, the acoustic transducer unit (1) comprises a sound-guiding element (16), by means of which sound waves generated by the MEMS acoustic transducer (3) can be guided past the electrodynamic acoustic transducer (2), in particular guided past the first membrane (10) of the electrodynamic acoustic transducer (2).

ACOUSTIC TRANSDUCER UNIT

The invention relates to an acoustic transducer unit (1), in particular for in-ear headphones, having an electrodynamic acoustic transducer (2) comprising a first membrane (10), preferably with a membrane perforation (42), and having at least one MEMS acoustic transducer (3) comprising a second membrane (30).

METHODS, APPARATUS AND SYSTEMS FOR ASYMMETRIC SPEAKER PROCESSING

A method of processing audio data for replay on a mobile device with a first speaker and a second speaker, wherein the audio data comprises a respective audio signal for each of the first and second speakers, includes: determining a device orientation of the mobile device; if the determined device orientation is vertical orientation, applying a first processing mode to the audio signals for the first and second speakers; and if the determined device orientation is horizontal orientation, applying a second processing mode to the audio signals for the first and second speakers. Applying the first processing mode involves: determining respective mono audio signals in at least two frequency bands based on the audio signals for the first and second speakers; in a first one of the at least two frequency bands, routing a larger portion of the respective mono audio signal to one of the first and second speakers; and in a second one of the at least two frequency bands, routing a larger portion of the respective mono audio signal to the other one of the first and second speakers. Applying the second processing mode involves applying cross-talk cancellation to the audio signals for the first and second speakers.

Wired, wireless, infrared, and powerline audio entertainment systems
10298291 · 2019-05-21 · ·

A method and system for communicating audio, video, and/or control signals within a home entertainment system. One or more signals are communicated between an input device and one or more output devices via one or more networks. The output device can include loudspeakers, display devices, and headphones. In some embodiments an output device, for example a center channel loudspeaker, transmits signals to other output devices. For example, the center channel loudspeaker can transmit a combined audio signal and control signal to a remote loudspeaker over a first network and transmit a video signal to a display device over a second network. The display device displays the video signal. The networks can be wireless, wired, infrared, RF, and powerline.

HOUSING
20190149905 · 2019-05-16 · ·

A housing is provided for an acoustic device which is worn in the ear. The housing includes two housing shells, which can be connected with one another along a housing connecting line. The housing connecting line extends at most sectionally in one plane. The housing connecting line is predefined such that the housing shells are configured without undercuts. An outer shape of the housing is adapted to a human ear shape such that the housing lies form-fittingly on an inner side of a tragus and on an inner side of a counter-ledge or antihelix of a human auricle, if the housing is arranged in the auricle.

Orientation-responsive acoustic array control
10264384 · 2019-04-16 · ·

An audio device includes a casing configured for operation in a first orientation and a second orientation different from the first orientation, an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity, and a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each of which is associated with one of a plurality of audio channels. The acoustic drivers of the audio device operate in a first frequency range and modify at least one of the acoustic interference arrays in response to a change in the orientation detected by the orientation input device.

DYNAMIC GENERATION AND DISTRIBUTION OF MULTI-CHANNEL AUDIO FROM THE PERSPECTIVE OF A SPECIFIC SUBJECT OF INTEREST

A media content packaging and distribution system for dynamic generation of multi-channel audio includes a server, which stores location information of a plurality of subjects located in a defined area. A subject-of-interest is selected from the plurality of subjects in the defined area. Thereafter, a set of audio-capture devices are selected from the plurality of audio-capture devices. A set of audio streams are received from the selected set of audio-capture devices. A multi-channel audio is generated based on the received set of audio streams. The generated multi-channel audio is communicated to a consumer device. Based on an output of the multi-channel audio by the consumer device, an acoustic environment is reproduced as a surround sound environment at the consumer device from a perspective of the subject-of interest.