Abstract:
Provided is a method of operating an acoustic event detecting apparatus including: receiving an acoustic input; extracting frequency characteristics of the acoustic input; determining whether a first acoustic event has occurred by analyzing the extracted frequency characteristics; and in response to determining that the first acoustic event has occurred, acquiring data about at least one of a sound, an image, and a video from an environment outside of the acoustic event detecting apparatus and transmitting the data to a first device.
Abstract:
An image generating device, a 3D image display system having the same and control methods thereof are disclosed. The image generating device includes: a first camera configured to photograph a depth image of a subject using a first light; a second camera configured to photograph a color image of the subject by converting a second light into an image signal; a view angle extender configured to change a view angle, wherein the view angle is an angle at which the first camera and the second camera are operable to photograph the subject; and a controller configured to control the view angle extender to change the view angle of the first camera and the second camera and to form a single depth image and a single color image by respectively synthesizing a plurality of depth images and a plurality of color images, photographed by the first camera and the second camera.
Abstract:
Provided is a sound source signal filtering method and apparatus. The sound source signal filtering method includes: generating two or more microphone output signals by combining sound source signals input through a plurality of microphones; calculating distances between the microphones and a sound source from which the sound source signals are emitted by using distance relationships according to frequencies of the sound source signals extracted from the generated microphone output signals; and filtering the sound source signals to obtain one or more sound source signals corresponding to a predetermined distance by using the calculated distances. Accordingly, it is possible to obtain only sound source signals emitted from a sound source at a particular distance from the microphone array among a plurality of sound source signals input through the microphone array.
Abstract:
Provided is a method for learning an audio signal. The method includes: acquiring at least one frequency-domain audio signal including frames; dividing the frequency-domain audio signal into at least one block by using a similarity between frames; acquiring a template vector corresponding to each block; acquiring a sequence of the acquired template vectors corresponding to at least one frame included in each block; and generating learning data including the acquired template vectors and the sequence of the template vectors.
Abstract:
A view sensor, a home control system including the view sensor, and a method of controlling the home control system are provided. The view sensor includes: a lens unit configured to receive light in order to capture an image or project light in order to display the image; an image acquirer configured to acquire the image by using the light received from the lens unit; a projector configured to provide light to the lens unit in order to display the image; a beam splitter configured to provide the image acquirer with the light received from the lens unit or transmit the light generated by the projector to the lens unit; and a controller configured to, in response to the image being captured, control the beam splitter to provide the image acquirer with the light received from the lens and, in response to the image being displayed, control the beam splitter to provide the lens unit with the light generated by the projector.
Abstract:
An apparatus and method for sensing body information is provided. The apparatus includes: a light-emitting device configured to emit a light signal toward an object that is to be sensed; a light-receiving device configured to detect a reflected light signal reflected from the object; an image sensor configured to detect the reflected light signal reflected from the object; and a controller configured to selectively drive at least one of the light-receiving device and the image sensor according to a distance between the object and the light-emitting device and to sense volume information or blood flow information of the object by using the reflected light signal.
Abstract:
Disclosed are a display apparatus and a control method thereof, in which displays are moved to display an image on a visible screen formed by a plurality of images. The display apparatus includes: a first display configured to display a first screen; a second display configured to display a second screen; and a controller configured to control an area of one visible screen formed by the first and second screens by changing at least one area of the first screen and the second screen, determine a first portion and a second portion of an image to be displayed so that the area of the visible screen corresponds to an area of the image, and controls the image to be respectively displayed on the first screen and the second screen.
Abstract:
Provided is a sound source signal filtering method and apparatus. The sound source signal filtering method includes: generating two or more microphone output signals by combining sound source signals input through a plurality of microphones; calculating distances between the microphones and a sound source from which the sound source signals are emitted by using distance relationships according to frequencies of the sound source signals extracted from the generated microphone output signals; and filtering the sound source signals to obtain one or more sound source signals corresponding to a predetermined distance by using the calculated distances. Accordingly, it is possible to obtain only sound source signals emitted from a sound source at a particular distance from the microphone array among a plurality of sound source signals input through the microphone array.
Abstract:
An audio signal processing system and an echo signal removing method thereof are provided. The audio signal processing system includes a speaker that is configured to output an audio signal; a microphone that is configured to receive the audio signal output by the speaker including an echo signal generated by the audio signal; an echo signal delay unit that is configured to delay the echo signal for a bulk delay time, and output the echo signal that is delayed; and an echo signal removing unit that is configured to remove the echo signal that is delayed and output by the echo signal delay unit from the audio signal received by the microphone, wherein the echo signal delay unit includes a bulk delay measuring unit that is configured to measure a bulk delay by analyzing impulse response characteristics of an echo path.
Abstract:
A method of displaying an image by using a plurality of display apparatuses and a display apparatus using the same are provided. The method includes controlling a first image to be divided into a plurality of first sub-images which correspond to a number of a plurality of display apparatuses and displaying the plurality of first sub-images, receiving a signal to change a first sub-image of the first image displayed on a first display apparatus to a second image, and in response to receiving the signal, controlling the second image to be displayed on the first display apparatus and controlling the first image to be re-divided into a plurality of second sub-images corresponding to a number of a group of plurality of display apparatuses among the plurality of display apparatuses and displaying the plurality of second sub-images on the group of the plurality of display apparatuses.