Abstract: Disclosed are a DRAM device capable of storing charges for a long time and an operating method thereof. According to an embodiment, a DRAM device includes a channel region formed on a substrate, a gate insulating film region formed on the channel region, a floating gate region formed on the gate insulating film region, a transition layer region formed on the floating gate region, and a control gate region formed on the transition layer region and generating a potential difference with the floating gate region in response to a fact that a potential that is not less than a reference potential is applied and releasing at least one charge stored in the floating gate region or storing the at least one charge into the floating gate region, by generating a transition current due to the potential difference.

Abstract: A method for canceling an echo and an electronic device thereof are provided. The electronic device includes a housing, a communication module, a first speaker disposed in a first region of the housing, a second speaker disposed in a second region of the housing, a first microphone disposed adjacent to the first region, a second microphone disposed adjacent to the second region, and a processor. The processor is configured to receive a first audio signal from an external electronic device, and output a first given frequency band, and output a second given frequency band, and provide a first signal by applying a filter capable of passing a band corresponding to the second given frequency band, and provide a second signal by applying a filter capable of passing a band corresponding to the first given frequency band, and provide a second audio signal corresponding to the external audio signal, and transmit the second audio signal to the external electronic device.

Abstract: The present application relates to a composition for preventing, improving, or treating gastrointestinal diseases comprising a strain of the genus Corynebacterium, a culture thereof, and threonine. As the composition according to the present application is confirmed to have excellent anti-Helicobacter pylori efficacy in cell experiments, efficacy in improving gastrointestinal diseases in animal experiments, and efficacy in gastric mucus synthesis, the composition can be applied as a pharmaceutical composition for preventing or treating gastrointestinal diseases, as food for preventing or improving gastric ulcers, or as a composition for feed.

Abstract: An electronic device and an operating method thereof for identifying a noise control parameter on the basis of network connection information are provided. The electronic device includes a wireless communication circuit, and a processor. The processor is configured to acquire network connection information of an external electronic device which is call connected, through the wireless communication circuit, identify at least one noise control parameter, on the basis of the acquired network connection information, receive an audio signal from the external electronic device, through the wireless communication circuit, and suppress a noise in the audio signal, on the basis of the identified at least one noise control parameter.

Abstract: Various embodiments of the present disclosure relate to an apparatus and a method for detecting an error of an audio component in an electronic device. The electronic device includes: at least one sound output device; at least one microphone; and a processor, and the processor is configured to identify a deviation related to a loudness of an audio signal acquired through the at least one microphone, and to determine whether an error related to the at least one microphone occurs, based at least on the deviation. Other embodiments are possible.

Abstract: A method for canceling an echo and an electronic device thereof are provided. The electronic device includes a housing, a communication module, a first speaker disposed in a first region of the housing, a second speaker disposed in a second region of the housing, a first microphone disposed adjacent to the first region, a second microphone disposed adjacent to the second region, and a processor. The processor is configured to receive a first audio signal from an external electronic device, and output a first given frequency band, and output a second given frequency band, and provide a first signal by applying a filter capable of passing a band corresponding to the second given frequency band, and provide a second signal by applying a filter capable of passing a band corresponding to the first given frequency band, and provide a second audio signal corresponding to the external audio signal, and transmit the second audio signal to the external electronic device.

Abstract: An electronic device and an operating method thereof for identifying a noise control parameter on the basis of network connection information are provided. The electronic device includes a wireless communication circuit, and a processor. The processor is configured to acquire network connection information of an external electronic device which is call connected, through the wireless communication circuit, identify at least one noise control parameter, on the basis of the acquired network connection information, receive an audio signal from the external electronic device, through the wireless communication circuit, and suppress a noise in the audio signal, on the basis of the identified at least one noise control parameter.

Abstract: The present invention relates to a voice signal processing method according to a state of an electronic device, and an electronic device therefor. An electronic device according to various embodiments comprises: a microphone; and a processor, wherein the processor can be configured to: obtain a voice signal using the microphone, check a state of the electronic device, and generate a first voice signal by filtering the voice signal using a first method, at least based on a determination of the electronic device being in a first state; generate a second voice signal by filtering the voice signal using a second method, at least based on a determination of the electronic device being in a second state; and transmit to an external electronic device a corresponding voice signal of the first voice signal or the second voice signal. In addition, other embodiments are possible.

Abstract: Various embodiments of the present disclosure relate to an apparatus and a method for detecting an error of an audio component in an electronic device. The electronic device includes: at least one sound output device; at least one microphone; and a processor, and the processor is configured to identify a deviation related to a loudness of an audio signal acquired through the at least one microphone, and to determine whether an error related to the at least one microphone occurs, based at least on the deviation. Other embodiments are possible.

Abstract: A method for providing a service by an electronic device according to various embodiments may comprise the steps of: obtaining biometric information of a user; determining at least one service associated with the biometric information out of a plurality of services that the electronic device supports; and providing the determined at least one service.

Abstract: An electronic device and a method for changing an order and location of content are provided. The method includes receiving a selection of a content from among a displayed plurality of contents, displaying, in a set region, a guide interface of expressing a current location of the selected content among the entire contents of a storage region, and changing the location of the selected content among the contents of the storage region according to sensing a control of the guide interface.

Abstract: A method for operating an electronic device of the present invention may comprise determining movement information of the electronic device based on sensing data measured through a sensor module; determining bio information for a user by analyzing one or more bio signals; and controlling the electronic device according to the movement information and the bio information. In addition, another embodiment is also possible.

Abstract: A method for operating an electronic device of the present invention may comprise determining movement information of the electronic device based on sensing data measured through a sensor module; determining bio information for a user by analyzing one or more bio signals; and controlling the electronic device according to the movement information and the bio information. In addition, another embodiment is also possible.

Abstract: The present invention relates to a voice signal processing method according to a state of an electronic device, and an electronic device therefor. An electronic device according to various embodiments comprises: a microphone; and a processor, wherein the processor can be configured to: obtain a voice signal using the microphone, check a state of the electronic device, and generate a first voice signal by filtering the voice signal using a first method, at least based on a determination of the electronic device being in a first state; generate a second voice signal by filtering the voice signal using a second method, at least based on a determination of the electronic device being in a second state; and transmit to an external electronic device a corresponding voice signal of the first voice signal or the second voice signal. In addition, other embodiments are possible.

Abstract: A method, device, a non-transitory computer-readable recording medium for controlling a voice signal by an electronic device including a first microphone, a second microphone, a communication interface, and a processor are provided. The method includes acquiring a first voice signal by using the first microphone; acquiring a second voice signal by using the second microphone; confirming a telephone call mode for performing, by the electronic device, a telephone call with an external electronic device; adjusting a first output attribute corresponding to the first voice signal or a second output attribute corresponding to the second voice signal, based on the telephone call mode; and transmitting the adjusted first voice signal or the adjusted second voice signal to the external electronic device by using the communication interface.

Abstract: A method of operating an IoT system that includes a first test system including a first test server and a first test device group, a second test system including a second test server and a second test device group, and a main server, where the first test system, the second test system, and the main server are connected through a network, is provided. According to the method, a virtual machine for performing a test on a test target using a test case is created based on at least a portion of resources of the first test device group and resources of the first test server, at least one test device that is to be interconnected with the virtual machine is selected among the first test device group and the second test device group, and the test is performed using the virtual machine and the at least one test device.

Abstract: A user device having a voice recognition function and an operation method thereof are provided. The operation method includes detecting whether there is an input from at least one sensor in response to execution of an application which may use voice recognition and activating or inactivating the voice recognition in response to the detection of the input.

Abstract: A method, device, a non-transitory computer-readable recording medium for controlling a voice signal by an electronic device including a first microphone, a second microphone, a communication interface, and a processor are provided. The method includes acquiring a first voice signal by using the first microphone; acquiring a second voice signal by using the second microphone; confirming a telephone call mode for performing, by the electronic device, a telephone call with an external electronic device; adjusting a first output attribute corresponding to the first voice signal or a second output attribute corresponding to the second voice signal, based on the telephone call mode; and transmitting the adjusted first voice signal or the adjusted second voice signal to the external electronic device by using the communication interface.