Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

Abstract: A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.

Abstract: The present invention relates to a colorimetric biosensor, preparation method thereof, and antibiotic susceptibility testing method using the same, and more specifically, in the present invention, it is possible to prepare a colorimetric biosensor comprising a porous hydrogel structure including polydiacetylene and a hydrogel polymer (alginate, PEG-DA, etc.); and a microbial nutrient source, and it may be applied to a colorimetric biosensor for detecting microorganisms or a method for testing antibiotic susceptibility of microorganisms for allowing in real-time measurement and exhibiting excellent sensitivity using the colorimetric biosensor.

Abstract: The embodiments disclosed herein provide an electrocardiogram data processing server, an electrocardiogram data processing method, and a computer program. The embodiments disclosed herein further provide an electrocardiogram data processing server, an electrocardiogram data processing method, and a computer program, the electrocardiogram data processing server configured to determine whether analysis is required while segmenting an electrocardiogram signal into signal segments with variable window sizes, for instance, by changing a window size of a signal segment according to whether analysis of a previous signal segment is required.

Abstract: Provided are a semiconductor device and a method for operating the semiconductor device. A semiconductor device includes a low power condition module which determines whether a system operated by a battery satisfies enter and exit conditions of a low power mode; an address module which identifies a predetermined own address; a low power set module which sets a detailed operation mode of the low power mode in accordance with the address identified by the address module; a debounce module which executes a debounce operation before the system entering the low power mode; and a low power enter/exit module which executes entry and exit of the low power mode of the system.

Abstract: A load switch circuit includes a charging transistor, a current sensor, a voltage sensor, a selector, a current controller and a mode controller. The charging transistor is connected between a first switch node and a second switch node and controls a charging current in response to a charging control signal. The current sensor is connected to the first switch node and the second switch node and senses the charging current to generate a current sensing signal. The voltage sensor is connected to the first switch node and the second switch node and senses a source-drain voltage of the charging transistor to generate a voltage sensing signal. The selector selects the current sensing signal or the voltage sensing signal in response to a mode signal to generate a selection voltage signal. The current controller compares the selection voltage signal with a reference voltage to generate the charging control signal.

Abstract: A load switch circuit includes a charging transistor, a current sensor, a voltage sensor, a selector, a current controller and a mode controller. The charging transistor is connected between a first switch node and a second switch node and controls a charging current in response to a charging control signal. The current sensor is connected to the first switch node and the second switch node and senses the charging current to generate a current sensing signal. The voltage sensor is connected to the first switch node and the second switch node and senses a source-drain voltage of the charging transistor to generate a voltage sensing signal. The selector selects the current sensing signal or the voltage sensing signal in response to a mode signal to generate a selection voltage signal. The current controller compares the selection voltage signal with a reference voltage to generate the charging control signal.

Abstract: Provided are a semiconductor device and a method for operating the semiconductor device. A semiconductor device includes a low power condition module which determines whether a system operated by a battery satisfies enter and exit conditions of a low power mode; an address module which identifies a predetermined own address; a low power set module which sets a detailed operation mode of the low power mode in accordance with the address identified by the address module; a debounce module which executes a debounce operation before the system entering the low power mode; and a low power enter/exit module which executes entry and exit of the low power mode of the system.

Abstract: A filter including a resonator formed of metal and including a first through hole in one direction, and a transmission line penetrating through the first through hole, wherein the transmission line is spaced apart from the first through hole.

Abstract: A filter including a resonator formed of metal and including a first through hole in one direction, and a transmission line penetrating through the first through hole, wherein the transmission line is spaced apart from the first through hole.

Abstract: Provided are apparatuses, systems and methods for providing security services. The apparatus includes a network interface unit for transceiving data between a control device and a management device, a controller for controlling provision of services requested from the control device through the network interface unit when a permit time, during which a target of security service is allowed to be given services, is longer than a used time, during which predetermined services are provided to the target of security service, and a used time processing unit for updating the used time by reflecting time during which the services are provided. When security services are performed, services of a controlled device can be provided during the permitted time according to a user or a control device.

Abstract: A system and method for establishing a secured connection between home network devices are provided. Particularly, a system and method for establishing a secured connection between a home network including a plurality of non-secured Universal Plug and Play (UPnP) devices and a secured external UPnP device by creating virtual UPnP devices for the respective corresponding non-secured UPnP devices are provided. The system for establishing a secured connection between home network devices includes a virtual UPnP device creation unit which creates a secured virtual UPnP device for a non-secured UPnP device, an information storage unit which stores correspondence information regarding the non-secured UPnP device and the virtual UPnP device, and a secured communication unit which securely communicates with a secured UPnP device with reference to the correspondence information.

Abstract: A network connection device, network system and method for avoiding duplication of proxy functions. The network connection device includes a bridge module for relaying a communication module of a first communication mode and a communication module of a second communication mode, a proxy Universal Plug and Play (UPnP) service module, connected with the bridge module, for providing a proxy function of a network device of the second communication mode, and a duplicate proxy Universal Plug and Play service module, connected with the communication module of the first communication mode and the proxy Universal Plug and Play service module, for preventing the proxy function of the network device of the second communication mode from being duplicated and activated at a plurality of bridges.

Abstract: A test device for a semiconductor memory device includes a clock frequency multiplier, a data input buffer, a test data generator and a data output buffer. The clock frequency multiplier multiplies an external clock signal having a relatively low frequency provided from an external test device to generate an internal clock signal having a relatively high frequency. The data input buffer buffers test pattern data provided in synchronization to the external clock signal to output the buffered test pattern data. The test data generator generates test data that is to be synchronized to the internal clock signal, using the outputted test pattern data based on a first or a second control signal. The data output buffer outputs the generated test data to a memory core of the semiconductor memory device. The test device generates various test data suitable for a memory test at a high operating speed.

Abstract: A test device for a semiconductor memory device includes a clock frequency multiplier, a data input buffer, a test data generator and a data output buffer. The clock frequency multiplier multiplies an external clock signal having a relatively low frequency provided from an external test device to generate an internal clock signal having a relatively high frequency. The data input buffer buffers test pattern data provided in synchronization to the external clock signal to output the buffered test pattern data. The test data generator generates test data that is to be synchronized to the internal clock signal, using the outputted test pattern data based on a first or a second control signal. The data output buffer outputs the generated test data to a memory core of the semiconductor memory device. The test device generates various test data suitable for a memory test at a high operating speed.

Abstract: A system and method for establishing a secured connection between home network devices are provided. Particularly, a system and method for establishing a secured connection between a home network including a plurality of non-secured Universal Plug and Play (UPnP) devices and a secured external UPnP device by creating virtual UPnP devices for the respective corresponding non-secured UPnP devices are provided. The system for establishing a secured connection between home network devices includes a virtual UPnP device creation unit which creates a secured virtual UPnP device for a non-secured UPnP device, an information storage unit which stores correspondence information regarding the non-secured UPnP device and the virtual UPnP device, and a secured communication unit which securely communicates with a secured UPnP device with reference to the correspondence information.

Abstract: Provided are apparatuses, systems and methods for providing security services. The apparatus includes a network interface unit for transceiving data between a control device and a management device, a controller for controlling provision of services requested from the control device through the network interface unit when a permit time, during which a target of security service is allowed to be given services, is longer than a used time, during which predetermined services are provided to the target of security service, and a used time processing unit for updating the used time by reflecting time during which the services are provided. When security services are performed, services of a controlled device can be provided during the permitted time according to a user or a control device.

Abstract: A network connection device, network system and method for avoiding duplication of proxy functions. The network connection device includes a bridge module for relaying a communication module of a first communication mode and a communication module of a second communication mode, a proxy Universal Plug and Play (UPnP) service module, connected with the bridge module, for providing a proxy function of a network device of the second communication mode, and a duplicate proxy Universal Plug and Play service module, connected with the communication module of the first communication mode and the proxy Universal Plug and Play service module, for preventing the proxy function of the network device of the second communication mode from being duplicated and activated at a plurality of bridges.

Abstract: A method and data format for synchronizing contents. The method includes a content device downloading the contents from a source device, storing synch data required to synchronize the downloaded contents, determining a target device by interpreting the synch data, and executing the contents through the target device. The data format includes SynchTime for defining a time at which contents stored in a content device are executed in a target device, SynchAction for defining actions that are required to allow the content device to execute the contents in the target device, ContentInfo for defining the kinds of contents, PreferenceInfo for defining the basic information of an owner if the owner of the contents exists, and SelectDeviceInfo for defining a certain criterion to select a certain device if a plurality of devices providing the corresponding service exist at the time of synchronization.