Hyundai Motor Company

Kia Corporation

Kia Motors Corporation

Seoul National University

Tae Kun Yun

Dong Chul Park

Ki Chang Kim

Jin Sung Lee

Jeong Soo Eo

Ji Won Oh

Sang Jin Hong

Eun Soo Jo

Kyoung Jin Chang

Sung Ho Kim

Se Hoon Park

Dong Pil Yoon

Jong Kil Baek

Ju In Kim

Myung Hwan Yun

A system and a method for controlling sound output in a vehicle can enhance driving sensitivity. The system includes a sensing device that obtains vehicle information of the vehicle, a sound device that plays and outputs a vehicle sound through speakers, a seat device that controls seat vibration based on the vehicle sound, and a control device connected with the sensing device, the sound device, and the seat device. The control device determines a driving mode of the vehicle based on the vehicle information, performs sound shift control for the speakers based on the driving mode, and controls the seat vibration in conjunction with the sound shift control.

System and method for controlling sound output in vehicle

A device and a method for controlling a seat of a vehicle includes a detector for detecting vehicle environment information, a vibration generator mounted on the vehicle seat to generate the seat vibration, and a controller electrically connected to the detector and the vibration generator, and the controller detects seat environment information through the detector, determines a weight and a sitting posture of a user seated in the vehicle seat based on the seat environment information, determines a vibration pattern and a vibration excitation force based on the weight and the sitting posture of the user, and generates the seat vibration by controlling the vibration generator based on the determined vibration pattern and vibration excitation force.

Device and method for controlling seat of vehicle

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.

Apparatus and method for controlling vehicle seat

A virtual sound provision apparatus for an electric vehicle includes a driving information detector configured to detect vehicle driving information for outputting a virtual driving sound, a microphone configured to detect an actual driving sound generated from the electric vehicle, a controller configured to determine a characteristic of a target sound based on an acceleration and deceleration driving pattern of a driver from an accelerator pedal input value and a brake pedal input value of the driver, and generating and outputting a sound control signal for outputting the virtual driving sound having the characteristic of the target sound based on the determined characteristic information of the target sound and characteristic information of the actual driving sound, and a sound device configured to output a virtual engine sound that simulates an engine sound from the electric vehicle at the time of acceleration and deceleration according to the sound control signal.

Virtual sound provision apparatus and method for electric vehicles

A sound generation apparatus for an electrification vehicle and a method of use thereof are provided. In example embodiments, the sound generation apparatus receives driving information, determines a driving situation based on the driving information, designs an acceleration sound when the driving situation is determined as an acceleration situation, or designs a cornering sound when the driving situation is determined as a cornering situation, and plays and outputs the acceleration sound or the cornering sound.

Sound generation apparatus of electrification vehicle and method thereof

A method of generating a tire slip sound is capable of producing a virtual tire slip sound in a driving situation in which tire slip may occur during vehicle driving. The method includes collecting vehicle driving information while a vehicle is traveling; determining a characteristic of a virtual tire slip sound based on the collected vehicle driving information; generating and outputting a tire slip signal for generating and outputting the virtual tire slip sound according to the determined characteristic; and operating sound equipment of the vehicle according to the tire slip signal output from the controller to generate and output the virtual tire slip sound according to a vehicle driving state.

Method of generating virtual tire slip sound in vehicle

An apparatus and method of realizing a virtual after-burn effect of a vehicle are provided. The method includes receiving vehicle driving information at a controller while the electric vehicle travels, determining, by the controller, characteristics of the virtual after-burn effect based on the input vehicle driving information, outputting, by the controller, a control signal for realizing the virtual after-burn effect based on the determined characteristics of the virtual after-burn effect, and controlling, by the controller, an operation of a realization device for realizing the virtual after-burn effect according to the control signal.

Apparatus and method of realizing virtual after-burn effect in electric vehicle

An emotion adjustment system for determining a user's emotions based on a user's voice includes: a microphone configured to receive the user's voice; a controller configured to extract a plurality of sound quality factors in response to processing the user's voice, calculate a depression index of the user based on at least one sound quality factor among the plurality of sound quality factors, identify an emotional state of the user as a depressive state when the depression index is a preset value or more, determine the depressive state as a first state or a second state based on a correlation between at least two sound quality factors among the plurality of sound quality factors, and transmit a control command corresponding to the emotional state of the user identified as the first state or the second state; and a feedback device configured to perform an operation corresponding to the control command.

Emotion adjustment system and emotion adjustment method

An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.

Apparatus and method for caring emotion based on vehicle sound

Apparatus and method of producing a virtual after-burn effect using a controller in an electric vehicle, may include receiving, by the controller, vehicle driving information during vehicle driving, determining, by the controller, virtual variable information in an internal combustion engine on the basis of the input vehicle driving information, determining, by the controller, a virtual after-burn effect characteristic on the basis of the virtual variable information in an internal combustion engine, outputting, by the controller, a control signal for producing the virtual after-burn effect on the basis of the virtual after-born effect characteristic information, and controlling, by the controller, an operation of an effect-production apparatus configured for producing the virtual after-burn effect on the basis of the control signal.

Apparatus and method of producing virtual after-burn effect in electric vehicle

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.

Device and method for generating sound for vehicle

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.

Apparatus and method of virtualizing characteristics of internal-combustion-engine vehicle in electric vehicle

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.

Method for implementing virtual internal combustion engine vibration in electric vehicle

An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.

Apparatus for generating virtual effect for electric vehicle

A method of playing a virtual after-burn sound in an electric vehicle is provided. The method includes acquiring driver tendency information generated based on information of music played in a mobile phone and collecting driving variable information for playing a virtual sound during operation of the electric vehicle. Additionally, characteristics of a virtual after-burn sound are determined based on the collected driving variable information. The characteristics of the virtual after-burn sound are corrected according to the acquired driver tendency information. An after-burn signal is generated for playing the virtual after-burn sound based on information about the corrected characteristics of the virtual after-burn sound and operation of sound equipment is adjusted according to the created after-burn signal such that a virtual after-burn sound discriminated according to the driver tendency is played and output from the sound equipment.

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Anyang-si, South Korea

Tae Kun Yun