A signal processing method and device are provided. At least two channel sound signals are acquired, and a frequency-domain audio signal corresponding to each channel sound signal is acquired; beam forming output signals of a beam group corresponding to an audio signal of each frequency point are acquired; an output direction of the beam group is acquired; and time-domain sound signals output after beam forming in the output direction are acquired.

A noise source visualization data accumulation and display device is provided where at two or more acoustic data are generated by beamforming acoustic signals acquired at different moments by using a plurality of microphone arrays and thereafter, one selected among two or more acoustic data or acoustic data processed therefrom is mapped to one optical image to be displayed.

Embodiments of the present disclosure may include a system and method for speech enhancement using the coherent to diffuse sound ratio. Embodiments may include receiving an audio signal at one or more microphones and controlling one or more adaptive filters of a beamformer using a coherent to diffuse ratio (“CDR”)

A method for recording in a video chat, and a terminal to reduce background noise and noise of multiple persons in a video chat process, and improve voice quality of a video chat. A first terminal divides a video calling screen into multiple angular domains. After beam configuration information of each angular domain is determined, beam configuration information of a target angular domain of the first terminal is sent to a second terminal. The second terminal performs, according to the beam configuration information, beamforming processing on an audio signal obtained through recording such that signal strength of an audio signal of the target angular domain is enhanced, and signal strength of an audio signal of another angular domain is attenuated.

The present disclosure relates to a waterproof open earphone. The waterproof open earphone may include a housing, at least one button, at least one elastic pad, and at least one pair of speaker units. The housing may be placed on a head or at least one ear of a user while not blocking an ear canal of the user. The at least one button may be set on the housing, wherein each of the at least one button corresponds to a button hole. The at least one elastic pad may correspond to the at least one button, respectively, wherein each elastic pad prevents the corresponding button from moving relative to the button hole. Each pair of the at least one pair of speaker units may generate sound within a frequency range from two sound guiding holes through two sound guiding tubes.

An image capturing apparatus including an image capturing unit capable of moving its imaging direction and a sound input unit including a plurality of microphones, a sound source direction detecting unit which detects a sound source direction based on sound data from the sound input unit, a control unit which performs processing related to image capturing, and, a vibration detecting unit which detects a vibration due to a contact on a housing of the image capturing apparatus, wherein, in a case where a vibration due to a contact is detected, the sound source direction detecting unit detects a direction of sound due to the contact, the control unit estimates a position of the contact on the housing, and the control unit sets the imaging direction of the image capturing unit to a direction based on the estimated position.

A beamforming microphone array may be integrated into a wall or ceiling tile as a single unit. The beamforming microphone array includes a plurality of microphones that picks up audio input signals. In addition, the wall or ceiling tile may include an acoustically transparent outer surface on the front side of the tile, and the beamforming microphone array picks up the audio input signals through the outer surface of the tile. The beamforming microphone array may be coupled to the tile as a single unit and may be integrated into the back side of the tile.

The present disclosure relates to an acoustic output device. The acoustic output device may include an earphone core, a controller, a power source, and a flexible circuit board. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and the 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 power source may be configured to provide power supply for the earphone core. The flexible circuit board may be configured to connect the earphone core with the power source.

The application relates to a hearing device comprising an input unit for providing first and second electric input signals representing sound signals, a beamformer filter for making frequency-dependent directional filtering of the electric input signals, the output of said beamformer filter providing a resulting beamformed output signal. The application further relates to a method of providing a directional signal. The object of the present application is to create a directional signal. The problem is solved in that the beamformer filter comprises a directional unit for providing respective first and second beamformed signals from weighted combinations of the electric input signals, an equalization unit for equalizing a phase (and possibly an amplitude) of the beamformed signals and providing first and second equalized beamformed signals, and a beamformer output unit for providing the resulting beamformed output signal from the first and second equalized beamformed signals. This has the advantage to create a directional signal where the phase of the individual components is preserved, and therefore introducing no phase distortions. The invention may e.g. be used in hearing aids, headsets, ear phones, active ear protection systems, and combinations thereof.

In a particular aspect, an audio processing device includes a position predictor configured to determine predicted position data based on position data. The audio processing device further includes a processor configured to generate an output spatialized audio signal based on the predicted position data.