Abstract: A refrigerator comprises a storage compartment configured to store food, a temperature detector configured to detect an internal temperature of the storage compartment, a cooler configured to supply cool air to the storage compartment, a microphone configured to receive a speech, a display configured to display information, at least one processor configured to be electrically connected to the temperature detector, the microphone, and the display; and a memory configured to be electrically connected to the at least one processor.

Abstract: Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Abstract: Provided is a method of analyzing audio content. The method includes: extracting a feature value of the audio content; classifying the audio content on a section basis of the audio content based on the extracted feature value; and selecting at least one section for analyzing the audio content, and performing analysis on audio content of the at least one selected section based on a class to which the audio content of each section belongs.

Abstract: Provided are an electronic device and a reverberation removal method therefor. The reverberation removal method for an electronic device comprises: a plurality of microphone units for receiving a user's voice; a reverberation removal unit removing a reverberation component of the user's voice received from the plurality of microphone units so as to acquire an original component of the user's voice; a reverberation information acquisition unit for acquiring information on the intensity of the reverberation component of the user's voice; and a post-processing unit for additionally removing a reverberation component from the original component acquired from the reverberation removal unit on the basis of the information on the intensity of the reverberation component.

Abstract: Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Abstract: Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Abstract: Provided are an electronic device and a reverberation removal method therefor. The reverberation removal method for an electronic device comprises: a plurality of microphone units for receiving a user's voice; a reverberation removal unit removing a reverberation component of the user's voice received from the plurality of microphone units so as to acquire an original component of the user's voice; a reverberation information acquisition unit for acquiring information on the intensity of the reverberation component of the user's voice; and a post-processing unit for additionally removing a reverberation component from the original component acquired from the reverberation removal unit on the basis of the information on the intensity of the reverberation component.

Abstract: Provided is a method of analyzing audio content. The method includes: extracting a feature value of the audio content; classifying the audio content on a section basis of the audio content based on the extracted feature value; and selecting at least one section for analyzing the audio content, and performing analysis on audio content of the at least one selected section based on a class to which the audio content of each section belongs.

Abstract: Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Abstract: A method for controlling the electronic apparatus including: receiving an input of an audio which includes a user's voice; processing the audio and generating a user voice signal; transmitting the user voice signal to a first server; receiving text information corresponding to the user voice signal from the first server; and controlling the electronic apparatus, according to the text information.

Abstract: A method and apparatus for detecting voice activity are disclosed. The method of detecting voice activity includes: extracting a feature parameter from a frame signal; determining whether the frame signal is a voice signal or a noise signal by comparing the feature parameter with model parameters of a plurality of comparison signals, respectively; and outputting the frame signal when the frame signal is determined to be a voice signal. The apparatus includes a classifier module which extracts a feature parameter from a frame signal, and generating labeling information with respect to the frame signal by comparing the feature parameter with model parameters of a plurality of comparison signals; and a voice detection unit which determines whether the frame signal is a noise signal or a voice signal with reference to the labeling information, and outputting the frame signal when the frame signal is determined to be a voice signal.

Abstract: Provided are a method and apparatus for multi-channel de-correlation processing for cancelling a multi-channel acoustic echo. The method includes: dividing an input multi-channel audio signal into units of frames to form multi-channel audio signals in units of frames; analyzing eigen values and eigen vectors related to the multi-channel audio signals by using the multi-channel audio signals in units of frames every time contents are modified; and separating the multi-channel audio signals in units of frames into a plurality of signal component spaces by using the analyzed eigen values and eigen vectors.

Abstract: A method and apparatus for detecting voice activity are disclosed. The method of detecting voice activity is performed in a Continuous Listening environment which includes: extracting a feature parameter from a frame signal; determining whether the frame signal is a voice signal or a noise signal by comparing the feature parameter with model parameters of a plurality of comparison signals, respectively; and outputting the frame signal when the frame signal is determined to be a voice signal. The apparatus includes a classifier module which extracts a feature parameter from a frame signal, and generating labeling information with respect to the frame signal by comparing the feature parameter with model parameters of a plurality of comparison signals; and a voice detection unit which determines whether the frame signal is a noise signal or a voice signal with reference to the labeling information, and outputting the frame signal when the frame signal is determined to be a voice signal.