Abstract: In accordance with an aspect of the present disclosure, there is provided a method for identifying a type of a vocoder. The method comprises acquiring identification target bitstreams encoded with a voice signal, acquiring, for each of a plurality of vocoders, a probability that each of the plurality of vocoders is related to the identification target bitstreams from the identification target bitstreams, acquiring waveforms for each decoder of each of the plurality of vocoders by inputting the identification target bitstreams to the each decoder of each of the plurality of vocoders, acquiring intelligibility values for each of the waveforms obtained for the each decoder of each of the plurality of vocoders from the waveforms, and determining the type of the vocoder related to the voice signal from the probability and the intelligibility values for each waveform.

Abstract: The present invention relates to an automatic prediction system for a server failure, which monitors the status of a single server connected to a network and providing web, DB and network services, and predicts and warns a server failure of a target system by using the collected status data of the single server. The automatic prediction system for a server failure comprises: a data collection module to collect status information of a server and service of a target system; a model generation and optimization module to generate a CNN-based failure prediction model by using the collected data and to optimize model parameters and hyper-parameter values; and a prediction module to perform online failure prediction by using the optimized CNN-based failure prediction model.

Abstract: Disclosed is a vehicular antenna, which includes an antenna module having an antenna patch, a reflector installed to be spaced apart from the antenna patch by a predetermined distance to maximize a gain of an electromagnetic wave radiated from the antenna patch at a specific angle, and a dielectric substance inserted and installed between the antenna patch and the reflector.

Abstract: A data generating apparatus for generating noise environment noisy data is disclosed. The data generating apparatus according to the present application comprises a signal conversion unit configured to convert each of a noisy signal obtained in real environment and an original sound signal for the noisy signal into a noisy signal spectrum and an original sound signal spectrum in a short-time frequency domain; and a noisy signal generation training unit configured to train deep neural network to output the noisy signal spectrum corresponding to each short-time using the original sound signal spectrum as an input.

Abstract: The present invention relates to a compound represented by Formula 1, a method for preparing the same, and a modified conjugated diene-based polymer having a high modification ratio and including a functional group derived from the compound.

Abstract: The present invention relates to a modifier represented by Formula 1, a method of preparing the same, a modified conjugated diene-based polymer having a high modification ratio which includes a modifier-derived functional group, and a method of preparing the polymer.

Abstract: The present invention relates to a modifier represented by Formula 1, a method of preparing the same, a modified conjugated diene-based polymer having a high modification ratio which includes a modifier-derived functional group, and a method of preparing the polymer.

Abstract: An amino silane-based compound, methods of preparing the same, and a modified conjugated diene-based polymer including an amino silane-based functional group are disclosed herein. In an embodiment, the amino silane-based compound is represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently a hydrocarbon group having 1 to 30 carbon atoms, or a glycol unit represented by R3 is a divalent hydrocarbon group having 1 to 30 carbon atoms, R4, R5, R6, and R7 are each independently a monovalent hydrocarbon group having 1 to 30 carbon atoms, R8 is a divalent hydrocarbon group having 1 to 10 carbon atoms, j and k are each independently 0 or 1, n is an integer selected from 1 to 10, wherein at least one of R1 or R2 is the glycol unit.

Abstract: Provided are an electronic device and an operating method thereof. The electronic device includes: a communication interface; a processor configured to output information of at least one product while a broadcast program for advertisement or sale is being displayed, control, in response to an external input for a selection from the information output, the communication interface to access a server storing shopping broadcast content produced for advertisement or sale corresponding to the selection, and output the shopping broadcast content received from the server by using streaming. The electronic device includes an external input interface configured to receive the external input.

Abstract: There is disclosed a system and method of predicting a location of a user's viewport using location information of a sound source in 360 virtual reality (VR) content. According to the present invention, the spatial representation description (SRD) and the sound source localization information (SLI) of the audio MPD are transmitted with the video MPD being extended, the SRD of the sound source is used to derive the location of the sound source, and the weights of the respective items of the region of interest (ROI), the sound source localization information (SLI), the current viewport, and the pole are allocated differentially according to the bandwidth condition and then multiplied by the reference bitrate to determine the segment bitrate to be provided next, thereby improving the accuracy of predicting the location of the user's viewport and ensuring the quality of experience (QoE) for regeneration speed and regeneration quality.

Abstract: An apparatus of an antenna is provided. The apparatus includes a first conductor plate disposed on an upper side of a single plate and comprising an aperture, a plurality of vias inserted to vertically penetrate through the single plate, a second conductor plate disposed on a lower side of the single plate, and a feed line for applying a signal to radiate to a dielectric resonator embedded as a cavity which is formed by the first conductor plate, the second conductor plate, and the vias. The aperture is in a size which produces multiple-resonance at an operating frequency.

Abstract: A vehicular antenna device comprises: a directional antenna having a plurality of unit antenna elements arranged in a predetermined direction and thereby having upward directionality; and a radio wave diffusion structure installed vertically above the directional antenna so as to reflect radiated radio waves, which are radiated upward from the directional antenna, in the lateral direction such that the same are diffused omnidirectionally. The vehicular antenna device is applicable to 5G mobile communication, the same has omnidirectionality that a vehicular antenna is required to have, and the antenna structure can be made compact and simple.

Abstract: A control method and system for preventing a vehicle from rolling backwards down a slope and a vehicle including a system are provided. The control method includes sensing the number of revolutions per minute (RPM) of a motor connected to a driving shaft of the vehicle and comparing the sensed RPM of the motor with a preset RPM to determine whether the vehicle begins to roll backwards. In response to determining that the vehicle begins to roll backwards, driving torque is applied to the motor to prevent the vehicle from rolling backwards.

Abstract: Provided is an operating method of a memory system which includes a plurality of nonvolatile memory devices; and a controller configured to control the nonvolatile memory devices to store data therein. The operating method may include: receiving, by the controller, a write request for logical addresses from a host device; determining, by the controller, whether a start logical address among the logical addresses satisfies an alignment condition, the start logical address indicating where a write operation is to be performed in a target nonvolatile memory device among the nonvolatile memory devices; determining, by the controller, target data by determining one or more target logical addresses among the logical addresses through an alignment operation, when the start logical address does not satisfy the alignment condition; and controlling, by the controller, the target nonvolatile memory device to perform the write operation on the target data.

Abstract: The present invention relates to an automatic prediction system for a server failure, which monitors the status of a single server connected to a network and providing web, DB and network services, and predicts and warns a server failure of a target system by using the collected status data of the single server. The automatic prediction system for a server failure comprises: a data collection module to collect status information of a server and service of a target system; a model generation and optimization module to generate a CNN-based failure prediction model by using the collected data and to optimize model parameters and hyper-parameter values; and a prediction module to perform online failure prediction by using the optimized CNN-based failure prediction model.

Abstract: The present invention relates to a modifier represented by Formula 1, a method of preparing the same, a modified conjugated diene-based polymer having a high modification ratio which includes a modifier-derived functional group, and a method of preparing the polymer.

Abstract: The present invention provides a compound represented by Formula 1, a modified and conjugated diene-based polymer with a high modification ratio, which includes a functional group derived from the compound, a method for preparing the polymer, a rubber composition including the polymer, and a tire manufactured from the rubber composition.

Abstract: The present invention relates to a porous oxide semiconductor including three-dimensionally interconnected nanopores, mesopores, and macropores, a method for preparing the porous oxide semiconductor, and a gas sensor including the porous oxide semiconductor as a gas sensing material. The nanopores have a diameter of 1 nm to less than 4 nm, the mesopores have a diameter of 4 nm to 50 nm, and the macropores have a diameter of 100 nm to less than 1 ?m. The oxide semiconductor gas sensor of the present invention exhibits ultrahigh response and ultrafast response to various analyte gases due to the presence of the controlled nanopores, mesopores, and macropores.

Abstract: The present invention relates to a modified polymer having a high modification ratio and an excellent affinity with a filler, a method of preparing the same, a rubber composition including the modified polymer, and a molded article prepared from the rubber composition. The modified polymer according to the present invention may exhibit a high modification ratio by including functional groups in a polymer main chain and on at least one end thereof, and thus, an affinity with a filler, such as silica, may be excellent. Also, the rubber composition according to the present invention may have excellent processability by including the modified polymer having an excellent affinity with the filler, and, as a result, a processed product (e.g., tire) prepared by using the rubber composition may have excellent tensile strength, abrasion resistance, and wet road surface resistance.

Abstract: Disclosed is a vehicular antenna, which includes an antenna module having an antenna patch, a reflector installed to be spaced apart from the antenna patch by a predetermined distance to maximize a gain of an electromagnetic wave radiated from the antenna patch at a specific angle, and a dielectric substance inserted and installed between the antenna patch and the reflector.