According to certain embodiments, an electronic device comprises: at least one display module; at least one communication module; at least one microphone; at least one camera; and a processor, wherein the processor is configured to: capture at least one image through the at least one camera, identify at least one object located around the electronic device, based at least in part on the at least one image, identify sound information attributable to the identified at least one object from first sound data input through the at least one microphone, control the at least one display module to display at least one virtual object corresponding to the identified at least one object at a position corresponding to the at least one object, wherein the position is determined based on the sound information, obtain a first user input associated with a first virtual object among the at least one virtual object, and determine a noise cancellation (NC) level of a first object corresponding to the first virtual object, based on the first user input.

The present invention provides a device for actively cancelling a target sound wavefront in an open space, the device comprising a signal processing module comprising at least one processor operatively coupled with a datastore, the at least one processor configured to: receive a data comprising one or more geographical features, and one or more audio features generated by one or more receiving microphones having a geographical relationship with an array of receiving microphones in an area adjacent to a user; process aid data using a prediction model adapting a trained deep learning framework; and provide output the inverse sound wavefront of the target sound at the area of said predicting microphones.

An electronic device is provided. In order to process an ambient sound according to an audio scene, the electronic device receive an ambient sound, determine an audio scene based on the ambient sound, determine a target signal processing profile corresponding to the audio scene among one or more signal processing profile, and process the ambient sound according to the target signal processing profile.

An audio system includes at least one sound generation device having at least an acoustic transducer; and an electronic integrated circuit. A communication bus is connected to the at least one sound generation device and is configured to communicate a digital signal comprised of one or more audio streams and control signals. A power bus is connected to the at least one sound generation device. The acoustic transducer includes at least one of the following groups: a membrane and an acoustic modulator; or a membrane, acoustic resonator, and acoustic coupler. The electronic integrated circuit is constructed and arranged to receive the digital signal and generate an analog electric signal to operate the acoustic transducer to generate an audio signal in accordance with the control signal.

The present disclosure provides an automobile and a noise reduction method thereof, wherein the automobile includes an automobile body having an accommodating space and a plurality of doorways communicating with the accommodating space, a door configured for closing each doorway, at least one seat, at least one sound collecting device mounted on the automobile body at a periphery of each door, at least two sound devices mounted on at least one seat, and a processor electrically connected to all the sound devices and all the sound collecting devices. A noise reduction system composed of all the sound devices, all the sound devices, and the processor can perform noise reduction on a preset area in the accommodating space. The embodiments of the present invention expand and reuse a system composed of original sound collecting devices and sound devices in the automobile, without stacking materials on the doors or the automobile body.

Example embodiments may include one or more of receiving sound emissions signals from channels via sound emitters, controlling the sound emission signals, via relay circuits, and one of the relay circuits is configured to interrupt one of the sound emission signals associated with one of the sound emitters while the other sound emissions signals pass to the other corresponding sound emitters, and receiving, via a sound detection circuit, an electrical ambient sound signal based on ambient sound sensed by the one of the sound emitters responsive to the interrupted one of the sound emission signals.

A vehicle that selectively provides important sound to an occupant includes: a microphone configured to receive a noise sound; a speaker; a storage configured to store a plurality of sound waveforms and a warning sound source corresponding to each sound waveform of the plurality of sound waveforms; and a controller configured to generate a noise canceling signal based on the noise sound, control the speaker to output a noise canceling sound corresponding to the noise canceling signal, compare a waveform of the noise sound with the plurality of sound waveforms when a sound pressure level of the noise sound is greater than a threshold value, and when the waveform of the noise sound matches any sound waveform of the plurality of sound waveforms, and control the speaker to play a warning sound source corresponding to the sound waveform matching the noise sound.

A feedforward ambient noise reduction arrangement includes, within a housing, a loudspeaker device for directing sound energy into an ear of a listener. Disposed externally of the housing, and positioned to sense ambient noise on its way to the listener's ear, are plural microphone devices capable of converting the sensed ambient noise into electrical signals for application to the loudspeaker to generate an acoustic signal opposing the ambient noise. Importantly, the overall arrangement is such that the acoustic signal is generated by said loudspeaker means in substantial time alignment with the arrival of said ambient noise at the listener's ear.

Active noise cancellation systems and methods include a feedforward path configured to receive a reference signal comprising ambient noise and adaptively generate an anti-noise signal to cancel the ambient noise. The adaptive filter is tuned in accordance with at least one parameter, which is set by a logic device configured to determine an ambient noise condition based the reference signal by estimating a fullband power of the reference signal, estimating a low-frequency power of the reference signal, comparing the fullband power and low-frequency power to one or more thresholds, and/or setting one or more ambient noise flags. The ambient noise condition may include a quiet background, a wideband noise condition, and/or a low-frequency dominant noise condition.

Provided is a mobile terminal capable of reducing cost for carrying out active noise control and/or active sound effect control. Provided is a mobile terminal that carries out active noise control in which, in order to reduce driving source sound transmitted from a driving source to the vehicle interior of a vehicle, a first control signal for outputting cancellation sound from a speaker provided in the vehicle interior is generated, and/or active sound effect control in which a second control signal for outputting from the speaker a sound effect resembling the driving source sound is generated, wherein the vehicle has an on-vehicle system that controls the speaker, and the first control signal and/or the second control signal is transmitted to the on-vehicle system.