Lg Electronics Inc.

Chungbuk National University Industry-academic Cooperation Foundation

Yonsei University

Chungbuk National University Industry Academic

Gyuhyeok Jeong

Hyejeong Jeon

Lagyoung Kim

Ingyu Kang

Byungsuk Lee

Daehwan Kim

Younghan Lee

Kibong Hong

Insung Lee

Changheon Lee

Zhigang Piao

Jongha Lim

Sanghyeon Moon

Taegil Cho

Minki Lee

Honggoo Kang

The present specification relates to a smart controlling device capable of utilizing machine learning for voice recognition and a method of controlling therefor. The smart controlling device according to the present invention includes a receiver configured to receive an input including a command trigger, and a controller configured to detect one or more external display devices, select a display device of the detected one or more external display devices, cause a power status of the selected display device to be changed to a first state, and cause a response data corresponding to a first command data received after the command trigger to be output on a display of the selected display device.

Smart controlling device and method of controlling therefor

The present invention relates to a beverage supply apparatus comprising a sensing unit, a microphone, an artificial intelligence unit and a control unit. The control unit: activates the microphone when an object is detected; recognizes first sound data of a user when the first sound data is sensed via the activated microphone; acquires information associated with the user on the basis of the first sound data; stores the acquired information associated with the user; and determines a menu corresponding to the object on the basis of the information associated with the user and the first sound data.

Beverage supply apparatus and control method therefor

This specification relates to a method for controlling an artificial intelligence system which performs a multilingual processing based on artificial intelligence technology. The method for controlling an artificial intelligence system which performs a multilingual processing includes: receiving voice information through a microphone; determining a language of the voice information, based on a preset reference; selecting a specific voice recognition server from a plurality of voice recognition servers which process different languages, based on a result of the determination; and transmitting the voice information to the selected specific voice recognition server.

Method for controlling artificial intelligence system that performs multilingual processing

An electronic device including a plurality of the microphones and operating method thereof are disclosed. The present invention includes obtaining an audio according to a touch input of touching at least one of a plurality of the microphones, determining at least one selected from the group consisting of a location, a touch pattern, a touch strength, a touch duration time and a touch periodicity of the touch input based on the obtained audio, and performing an operation corresponding to the touch input based on a result of the determination.

Electronic device with plurality of microphones and method for controlling same based on type of audio input received via the plurality of microphones

The present invention relates to a method for processing an audio signal, comprising: a step of performing a frequency conversion process on an audio signal to obtain a plurality of frequency transform coefficients; a step of selecting either a general mode or a non-general mode, on the basis of a pulse ratio, for the frequency transform coefficients having a high frequency band from among the plurality of frequency transform coefficients; and a step of performing, if the non-general mode is selected, the following steps: extracting a predetermined number of pulses from the frequency transform coefficients having the high frequency band, and generating pulse information; generating an original noise signal from the frequency transform coefficients having the high frequency band, excluding the pulses; generating a reference noise signal using the frequency transform coefficient having a low frequency band from among the plurality of frequency transform coefficients; and generating noise position information and noise energy information using the original noise signal and the reference noise signal.

Method and apparatus for processing an audio signal

The present invention relates to a method for encoding a voice signal, a method for decoding a voice signal, and an apparatus using the same. The method for encoding the voice signal according to the present invention, includes the steps of: 

Method for encoding voice signal, method for decoding voice signal, and apparatus using same

The present invention relates to a frame loss recovering method, an audio decoding method, and an apparatus using the method. A method of recovering a frame loss of an audio signal according to the present invention includes: grouping transform coefficients of at least one frame into a predetermined number of bands among previous frames of a current frame; deriving an attenuation constant according to a tonality of the bands; and recovering transform coefficients of the current frame by applying the attenuation constant to the previous frame of the current frame.

Frame loss recovering method, and audio decoding method and device using same

The present invention relates to a method and apparatus for processing a voice signal, and the voice signal encoding method according to the present invention comprises the steps of: generating transform coefficients of sine wave components forming an input voice signal by transforming the sine wave components; determining transform coefficients to be encoded from the generated transform coefficients; and transmitting indication information indicating the determined transform coefficients, wherein the indication information may include position information, magnitude information, and sign information of the transform coefficients.

Voice signal encoding method, voice signal decoding method, and apparatus using same

The present invention relates to a method and device for quantizing voice signals in a band-selective manner. A voice decoding method may include inversely quantizing voice parameter information produced from a selectively quantized voice band and performing inverse transform on the basis of the inversely quantized voice parameter information. Thus, according to the present invention, coding/decoding efficiency in voice coding/decoding may be increased by selectively coding/decoding important information.

Method and device for quantizing voice signals in a band-selective manner

The present invention relates to a method of managing a jitter buffer and a jitter buffer using same. The method of managing a jitter buffer includes the steps of: receiving audio information frames; and adjusting a jitter buffer on the basis of the received audio information frames, wherein the adjusting step of the jitter buffer includes compensation of an audio signal, and the compensation of the audio signal can be performed for each sub frame of the audio information frames.

Method of managing a jitter buffer, and jitter buffer using same

The present invention provides a method for processing audio signals, and the method comprises the steps of: receiving input audio signals corresponding to a plurality of spectral coefficients; obtaining location information that indicates a location of a particular spectral coefficient among said spectral coefficients, on the basis of energy of said input signals: generating a shape vector by using said location information and said spectral coefficients; determining a codebook index by searching for a codebook corresponding to said shape vector; and transmitting said codebook index and said location information, wherein said shape vector is generated by using a part which is selected from said spectral coefficients, and said selected part is selected on the basis of said location information.

Method for processing audio signals, involves determining codebook index by searching for codebook corresponding to shape vector generated by using location information and spectral coefficients

The present invention relates to a method for processing an audio signal, comprising: determining bandwidth information indicating to which of a plurality of bands the current frame corresponds; determining information on the order corresponding to the present frame on the basis of the bandwidth information; performing a linear predictive analysis of the present frame to generate a first set linear predictive transform coefficient of a first order; performing a vector quantization on the first set linear predictive coefficient to generate a first index; performing a linear predictive analysis of the current frame to generate a second set linear predictive transform coefficient of a second order in accordance with the information on the order; and performing a vector quantization on a second set difference by using the first set index and the second set linear predictive transform coefficient, when the second set linear predictive coefficient is generated.

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Seoul, South Korea

Gyuhyeok Jeong