Samsung Electronics Co., Ltd.

Mando Corporation

Hyun-Wook Kim

Han-gil Moon

Nam-suk Lee

Jong-hoon Jeong

Sang-Hoon Lee

Sun-min Kim

Hwan Shim

Young-woo Lee

Chul-Woo Lee

Jae-Eun Kang

Yu-Mi Sohn

Kyung-sun Cho

Jong-hwa Kim

Nam-Suk Lee

Seon-ho Hwang

Tea-Jin Park

Yong-Wook Kim

Soon-ho Baek

Seon-Ho Hwang

Disclosed herein is an installation angle distinction apparatus including at least: an Input unit which inputs a current relative distance value, current relative velocity value and current horizontal angle value of a stationary object; an estimation unit which estimates a vertical height of the stationary object, and estimates vertical height values of the stationary object at each of predetermined time points for different distances and estimates a current vertical installation angle value of the detector; a determination unit which determinates that the current vertical installation angle of the detector is abnormal when the estimated current vertical installation angle value is deviated from a reference vertical installation angle value range preset; and a control unit which receives the current relative distance value, the current relative velocity value, and the current horizontal angle value, transmits an estimation command and a determination command to the estimation unit the determination unit, respectively.

Installation angle distinction apparatus and distinction method thereof

A secure communication apparatus may include a security module for generating an encrypted bitstream by encrypting at least a portion of data forming a bitstream and inserting at least a portion of key information used in the encryption into the bitstream and for decrypting encrypted data by acquiring at least a portion of key information for the decryption from a received encrypted bitstream, and a communication module for transmitting and receiving the encrypted bitstream.

Secure communication method and apparatus and multimedia device employing the same

Provided is a method of a device transmitting integrity check data. The method includes establishing a voice communication channel with at least one other device, determining a size of a packet to be transmitted through the established voice communication channel based on a bandwidth of the communication channel, detecting a user's voice from an input signal, selectively inserting integrity check data for checking the integrity of data to be transmitted into the packet based on a result of the detection, and transmitting the packet to the at least one other device.

Method and apparatus for providing integrity check data

A method of encoding a multi-channel 3-dimensional (3D) audio signal mixed with a multi-channel 3D object signal is provided. The method includes: obtaining a location parameter indicating a virtual location of the multi-channel 3D object signal on a multi-channel speaker layout based on a gain value of the multi-channel 3D object signal for each channel; and encoding the multi-channel 3D audio signal and the location parameter.

Method and apparatus for encoding and decoding 3-dimensional audio signal

Provided are a method and apparatus for encoding an audio signal and a method and apparatus for decoding an audio signal, in which errors generated during encoding and decoding of the audio signal are reduced to enhance the audio quality of a reconstructed audio signal. The method of encoding the audio signal includes detecting a pitch of the audio signal, determining a filter coefficient based on the detected pitch, performing second filtering on the audio signal, based on the determined filter coefficient; and encoding an audio signal resulting from the second filtering.

Method and apparatus for encoding/decoding an audio signal

An apparatus and method for a sensor network, machine-to-machine (M2M) communication, machine type communication (MTC), and Internet of things (IoT) are disclosed. The disclosure may be applied to, for example, intelligent services related to the above technologies, in conjunction with smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security, and safety related services. The method includes generating first image data by resizing original image data to a predetermined size, inserting watermark data into the first image data, and adding difference data corresponding to the difference between the original image data and the first image data to second image data that is image data in which the watermark data is inserted.

Method, apparatus and system for inserting watermark data

Disclosed herein are a lane estimation apparatus and method. The lane estimation apparatus includes a camera unit which captures an image in front of a vehicle, a radar unit which senses a plurality of stationary objects in front of the vehicle, and a lane estimation unit which detects a lane through the image captured by the camera unit, generates an imaginary lane joining a plurality of stationary objects next to a road among the stationary objects sensed by the radar unit, determines whether the generated imaginary lane is valid based on a distance between the detected lane and the generated imaginary lane, generates, when the imaginary lane is valid according to the determined result, a final lane based on the detected lane and the imaginary lane, and recognizes the generated final lane as a driving lane of the vehicle.

Lane estimation apparatus and method

Exemplary embodiments may provide a method of encoding an audio signal. The method includes: segmenting the audio signal into a plurality of frames, wherein each of the frames includes M samples and M is a natural number greater than one; applying a first window, a second window, and at least one third window to the frames, wherein a length of the second window is longer than a length of the first window, and a length of the third window is longer than the length of the first window and shorter than the length of the second window; time-frequency transforming the frames to which the first window, the second window, and the at least one third window have been applied; and generating a bitstream including the time-frequency transformed frames.

Method and apparatus for improving encoding and decoding efficiency of an audio signal

Methods and apparatuses for encoding and decoding an audio signal are provided, a method of encoding an audio signal including: receiving the audio signal including information about a moving sound source; receiving position information about the moving sound source; generating dynamic track information indicating motion of the moving sound source by using the position information; and encoding the audio signal and the dynamic track information.

Method and apparatus for processing audio signals using motion of a sound source, reverberation property, or semantic object

A multi-channel audio signal encoding and decoding method and apparatus are provided. The multi-channel audio signal encoding method, the method including: obtaining semantic information for each channel; determining a degree of similarity between multi-channels based on the obtained semantic information for each channel; determining similar channels among the multi-channels based on the determined degree of similarity between the multi-channels; and determining spatial parameters between the similar channels and down-mixing audio signals of the similar channels.

Method and apparatus for encoding/decoding multi-channel audio signal by using semantic information

A method processing a signal, an encoding apparatus, and a decoding apparatus are provided. The method of processing a signal includes restoring a down-mixed original signal using a re-quantized prediction parameter to generate a restored signal in an encoding apparatus; generating mute information indicating whether the down-mixed original signal has been muted, according to a value of the restored signal; and transmitting the mute information and the down-mixed original signal from the encoding apparatus to a decoding apparatus.

Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system

A method and apparatus for generating synthesis audio signals are provided. The method includes decoding a bitstream; splitting the decoded bitstream into n sub-band signals; generating n transformed sub-band signals by transforming the n sub-band signals in a frequency domain; and generating synthesis audio signals by respectively multiplying the n transformed sub-band signals by values corresponding to synthesis filter bank coefficients.

Decoding method and decoding apparatus therefor

Provided are a method and apparatus for transmitting digital multimedia broadcasting data, and a method and apparatus for receiving digital multimedia broadcasting data. A basic audio signal and a multichannel audio signal are encoded to generate a basic audio stream and a multichannel audio stream, and a first data stream describing property and position data of the basic audio stream and a second data stream describing property and position data of the multichannel audio stream are transmitted as independent streams. According to the performance of the receiving apparatus, an audio signal may be decoded by using just the first data stream only or both the first data stream and the second stream.

Apparatus and method for transmitting digital multimedia broadcasting data, and method and apparatus for receiving digital multimedia broadcasting data

Growing community of inventors

Suwon-si, South Korea

Hyun-Wook Kim