Abstract: A multisensory index system and an operation method thereof are provided. The multisensory index system is configured to derive quantitative parameters and qualitative parameters associated with an auditory sense and a tactile sense, and generate a multisensory index by analyzing a correlation between the quantitative parameters and the qualitative parameters associated with the auditory sense and the tactile sense.

Abstract: A vibration reducing device is attached to a structure and blocks sound transmitted through the structure. The vibration reducing device includes a unit structure having a target frequency band, the unit structure including a plurality of unit cells, each formed of an acoustic meta-material and having a different target frequency, the unit cells being connected through first bridges; and a predetermined number of unit structures being connected through second bridges and attached to the structure, where each of the unit cells comprises: a mass portion of which a size is set according to the target frequency; a base frame formed as a quadrangular frame, the mass portion being eccentrically disposed in the base frame; and a support portion that connects the mass portion and the base frame, the support portion having a size that is set according to the target frequency.

Abstract: A method of virtualizing the characteristics of an internal-combustion-engine vehicle in an electric vehicle includes: receiving vehicle driving information of the electric vehicle at a controller, determining a current vehicle driving mode based on the input vehicle driving information by the controller, determining a virtual engine speed in the determined vehicle driving mode using the vehicle driving information by the controller, outputting a control signal for virtualizing characteristics of an internal-combustion-engine (ICE) driving system corresponding to a current vehicle driving mode based on the determined virtual engine speed by the controller, and virtualizing the characteristics of the ICE driving system corresponding to the current vehicle driving mode by controlling an operation of a virtualization device according to the output control signal by the controller.

Abstract: Disclosed are an ultrasound generator, a pest extermination and repellent system using the ultrasound generator, and a method of controlling the ultrasound generator. The ultrasound generator may include a driving signal generator that generates a driving signal, a modulator that generates a modulated signal by modulating an amplitude of the driving signal, a first ultrasonic vibrator that generates a first ultrasonic signal of a first frequency based on the modulated signal, a second ultrasonic vibrator that generates a second ultrasonic signal of a second frequency based on the modulated signal, and a controller that adjusts an output timing of the modulated signal to output the first ultrasonic signal and the second ultrasonic signal at least once during a unit time period.

Abstract: An ultrasonic generator and a method for repelling a mosquito in a vehicle using the same are provided.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: A virtual sound generation apparatus is provided. The virtual sound generation apparatus includes a first sensor configured to obtain biometric information about a passenger, an output device configured to output a virtual sound, and a processor electrically connected with the first sensor and the output device. The processor is configured to determine driving sensibility for the passenger based on electroencephalogram (EEG) obtained by the first sensor, generate an effect signal for guiding the passenger to be stimulated depending on the driving sensibility, and control the output of the virtual sound based on the effect signal.

Abstract: A method of providing virtual sound in an electric vehicle, includes: collecting vehicle driving information for outputting the virtual sound; determining characteristics of the virtual sound based on the collected vehicle driving information; generating a virtual effect signal for outputting the virtual sound, based on the determined characteristics; generating a sound signal containing the characteristics, based on the virtual effect signal; collecting the generated sound signal to obtain a final sound signal corresponding to a vehicle rating selected according to setting information based on the preset vehicle rating and a sound correction algorithm; and outputting the virtual sound corresponding to the selected vehicle rating, according to the final sound signal.

Abstract: An apparatus and a method for generating a virtual sound to generate the virtual sound depending on a driving condition of a vehicle are provided. The apparatus comprises a detection device configured to detect vehicle environment data, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device is configured to generate the virtual sound using the vehicle environment data and a big data-based sound database in a zero to hundred condition and controls the sound output device to play the generated virtual sound.

Abstract: An apparatus and a method for generating a sound of an electrification vehicle are provided. The apparatus comprises a detection device configured to detect state information of a vehicle, a sound output device configured to play and output a virtual sound, and a processing device connected with the detection device and the sound output device. The processing device configured to detect a cornering state of the vehicle based on state information of the vehicle, analyze a longitudinal force, a lateral force, a tire slip ratio, and a tire slip angle according to the cornering state, calculate a cornering force based on the analyzed results, calculate a contact force based on a tire ground surface and road surface profile based on big data, generate a tire slip sound based on the cornering force and the contact force, and control the sound output device to play the tire slip sound.

Abstract: An apparatus and a method for generating a sound of an electric vehicle are provided. The apparatus determines whether a current condition may be a regenerative braking condition, generates a regenerative braking sound based on an amount of change in motor torque in the regenerative braking condition, and outputs the generated regenerative braking sound.

Abstract: An embodiment smart speaker includes a motor configured to rotate a rotary shaft, a speaker housing connected with the rotary shaft, a first speaker mounted on an inclined surface disposed on an upper end of the speaker housing, a second speaker mounted on a vertical surface of the speaker housing, a cover configured to protect the first speaker and the second speaker, and a controller configured to control a rotation of the first speaker and the second speaker using the motor to radiate a sound in at least one target direction.

Abstract: An embodiment vehicle includes a camera, a speaker, and a controller electrically connected to the camera and the speaker, wherein the controller is configured to acquire a first external image outside the vehicle from the camera, input the first external image to a pre-trained first neural network and extract a first feature corresponding to the first external image, and control the speaker to output a first sound sample among a plurality of sound samples, based on a comparison of the first feature and pre-stored features corresponding to the plurality of sound samples.

Abstract: An emotion modeling method for providing a vehicle sound with regard to an emotion of a user in a vehicle sound and an apparatus thereof are provided. The emotion modeling apparatus receives a sound by a user utterance, determines an emotional attribute based on the sound using an emotion analysis algorithm, derives an instrumental value of a sound concept by analyzing psychosocial consequences of the emotional attribute using an artificial neural network, and generates an emotional model based on the instrumental value of the sound concept.

Abstract: Disclosed are an apparatus and a method for controlling a vehicle seat so as to control a seat back and a neck pillow based on a sound. The apparatus includes the vehicle seat installed in a vehicle and including a seat back and a neck pillow, a detector for detecting vehicle information and seat information, and a processor connected to the vehicle seat and the detector, wherein the processor determines a vehicle state and a seat sitting posture based on the vehicle information and the seat information, analyzes a sound being reproduced in the vehicle, determines a haptic pattern and a haptic pressure based on the vehicle state and the seat sitting posture, and the analysis of the sound, and controls the seat back and the neck pillow based on the determined haptic pattern and haptic pressure to provide a haptic effect.

Abstract: A method for implementing virtual internal combustion engine vibration in an electric vehicle includes collecting operation variable information for determining a torque instruction and implementing the virtual internal combustion engine vibration, determining a virtual internal combustion engine vibration characteristic based on the collected operation variable information, determining a vibration torque instruction having the determined virtual internal combustion engine vibration characteristic, correcting the vibration torque instruction by correcting the determined virtual internal combustion engine vibration characteristic of the vibration torque instruction and/or a value of the vibration torque instruction, based on a basic motor torque instruction determined by the collected operation variable information and preset backlash occurring area information, determining a final motor torque instruction using the basic motor torque instruction and the corrected vibration torque instruction.

Abstract: A virtual driving simulation device and a method for improving a sensation of immersion therefore that may improve the sensation of immersion for a driving simulation in a virtual environment includes a microphone for measuring a 3D sound, and a processor that is configured to record the 3D sound through the microphone, analyze a sound realization influence by reproducing the recorded 3D sound through higher-order ambisonics (HOA) encoding and HOA decoding, and realize the sensation of immersion based on a result of analyzing the sound realization influence.

Abstract: Embodiments of the present disclosure relate to a sensory experience providing apparatus for providing a sensory experience based on sound in a vehicle, and a method thereof. The controller is configured to receive a sound played in the vehicle, extract a sound feature from the received sound, generate sensory information based on the extracted sound feature, and provide a sensory experience based on the sensory information.

Abstract: Disclosed is a sound design method for overcoming sense of difference when there is no virtual sound while an auto cruise control is activated. The method includes determining whether an accelerator pedal is actuated; upon determining that the accelerator pedal is not actuated, determining whether an auto cruise control system is operating; upon determining whether the auto cruise control system is operating, classifying a vehicle speed-based order component from a driving sound; and reproducing a speed sensitive virtual sound based on the classified vehicle speed-based order component.

Abstract: An apparatus and a method for controlling a vehicle sound are provided. The apparatus a detection device that detects driving information and drive mode setting information and a processing device electrically connected with the detection device. The processing device determines an emotional state of a driver based on at least one of the driving information or the drive mode setting information, determines a sound concept depending on the emotional state of the driver, and controls a vehicle sound depending on the sound concept.