Abstract: A method of recovering Fe from steel-making slag is disclosed. The method includes the steps of melting steel-making slag having a higher Fe content than iron-making slag by heating the steel-making slag to a first temperature; cooling the molten slag to a second temperature that is lower than the first temperature and then maintaining the same at the second temperature for a predetermined time to thus precipitate Fe in the molten slag, thereby forming and growing an Fe-rich phase; rapidly cooling the slag to room temperature; and crushing the solidified slag and magnetically separating a magnetically-susceptible portion from a magnetically-unsusceptible portion.

Abstract: Provided are a method for estimating a spectrum density of diffused noises. Also provided is a processor for implementing the method. The processor includes at least two sound receiving units and a spectrum density estimating unit for estimating spectrum density.

Abstract: A hearing apparatus and method for measuring a distance between an eardrum and the hearing apparatus are provided. The hearing apparatus may include a signal output unit configured to output a first measurement signal, a signal identification unit configured to receive a second measurement signal, and a distance determination unit configured to determine the distance between the user's eardrum and the hearing apparatus.

Abstract: Provided is a method and apparatus for low power operation of a binaural hearing aid, the method including determining whether a residual battery exceeds a predetermined threshold level, collecting an external audio signal, in response to whether the residual battery exceeds the predetermined threshold level, and transmitting the collected audio signal to a second hearing aid.

Abstract: An apparatus and a method for inputting audiogram using a touch input are provided. An audiogram input apparatus includes: an input receiver configured to receive a touch input from a user; a data processor configured to generate an audiogram corresponding to the touch input; and a display unit configured to display the generated audiogram.

Abstract: A hearing apparatus includes a coil and a coil operation mode selector configured to select either a first coil operation mode for communicating with a wireless communication terminal, or a second coil operation mode for wirelessly charging a battery of the hearing apparatus.

Abstract: An apparatus and method are provided to determine a parameter using an auditory model of a hearing loss patient. The parameter determination apparatus determines a similarity between a neurogram of a normal subject and a neurogram of a hearing loss patient, and determines an optimal frequency band for the hearing loss patient based on the similarity.

Abstract: A hearing loss compensation apparatus and method compensate for distortion caused by a change in a sound transmission path using hearing characteristics of a user. The hearing loss compensation apparatus may include a sound direction detection device configured to detect a sound generation direction, in which a sound generates, using one or more microphones, and a sound compensation device configured to compensate the sound using hearing characteristics of a user corresponding to the sound generation direction. Additionally, a hearing characteristics measurement apparatus and method provide a way to obtain such hearing characteristics information.

Abstract: A method of determining an operation mode of a hearing device and the hearing device may include detecting an input signal of the hearing device, determining the operation mode of the hearing device by determining whether the input signal is a designated signal related to a programming mode of the hearing device, and controlling the hearing device according to the operation mode.

Abstract: A hearing device and a method of the hearing aid are provided considering an external environment surrounding a user. The hearing device includes an external environment determination unit, an inquiry unit, and a parameter set unit. The external environment determination unit is configured to determine an external environment surrounding a user wearing the hearing device. The inquiry unit is configured to select a question corresponding to the external environment and inquire the question to the user. The parameter set unit is configured to set a parameter of the hearing device based on a response to the question and hearing loss information of the user.

Abstract: A hearing apparatus and a method thereof for processing a noise included in an input signal are provided. The method of processing noise involves: pairing a hearing apparatus with an electronic appliance; extracting noise characteristic information of the paired electronic appliance; and processing noise from the electronic appliance included in an input signal based on the noise characteristic information.

Abstract: A wireless communication method of a hearing aid includes extracting an audio signal through a first hearing aid, determining a beam forming vector as a beam toward a rear of a user wearing the first hearing aid and a second hearing aid. The method may also include pre-coding of the audio signal using the beam forming vector, and transmitting the pre-coded audio signal to the second hearing aid through a first antenna. The first hearing aid may include the first antenna and the second hearing aid includes a second antenna.

Abstract: A method of removing noise from a two-channel signal includes receiving channel signals constituting the two-channel signal; obtaining a noise signal for each channel by removing a target signal from each channel signal by subtracting another channel signal multiplied by a weighted value from each channel signal; estimating a power spectral density (PSD) of diffuse noise from each channel signal; obtaining a target signal including an interference signal for each channel by removing the diffuse noise from each channel signal using the estimated PSD of the diffuse noise; obtaining the interference signal for each channel by removing the diffuse noise from the noise signal for each channel using the estimated PSD of the diffuse noise; and removing the interference signal from the target signal including the interference signal for each channel.

Abstract: An apparatus and method for displaying a three-dimensional image according to the position of a user, in which the distance between a display panel displaying a two-dimensional image and a three-dimensional optical panel converting a two-dimensional image into a three-dimensional image is controlled in accordance with the position of the user to provide an optimized three-dimensional image. The apparatus includes a three-dimensional optical device converting a displayed two-dimensional image into a three-dimensional image, a position measurement module measuring the position of the user who converges on the three-dimensional image, a crosstalk calculator calculating the level of crosstalk that can occur in the position of the user, and a driver adjusting a position of the three-dimensional optical device if the level of crosstalk exceeds a predetermined threshold value.

Abstract: An apparatus, method and medium converting a motion signal, which is capable of controlling the motion of the pointer according to a user's intention by removing noise using a filter for the detected motion signal of the pointer in accordance with the moving speed of the pointer. The apparatus includes, a motion detecting unit to detect a motion, a determining unit to determine a type of motion signal according to the detected motion, and a filter unit including at least one filter to convert the motion signal using a filter that corresponds to the type of motion signal, the filter being selected from among the at least one filter.

Abstract: An information input device and a method and medium for inputting information in three-dimensional (3D) space are provided. The information input device includes a movement signal input unit receiving a movement signal of the information input device under control of a user in a three-dimensional (3D) space, a movement extent calculating unit calculating an extent of a movement of the information input device by analyzing the received movement signal, a movement identification unit identifying a type of the movement by comparing the calculated extent of the movement with a predetermined threshold, and a signal processor processing the received movement signal so that an instruction corresponding to the identified type of movement is performed.

Abstract: Provided are a method for estimating a spectrum density of diffused noises. Also provided is a processor for implementing the method. The processor includes at least two sound receiving units and a spectrum density estimating unit for estimating spectrum density.

Abstract: Provided are a method and apparatus for reproducing sound. A sound signal may be generated by receiving sound around the apparatus. An output signal may be generated by performing a process according to functions of the apparatus on a residual signal obtained by canceling a feedback signal from the sound signal.

Abstract: A device for separating micro particles is provided. The separating device comprises a sample inlet into which a sample containing micro particles is injected; fluid inlets into which fluid is injected to form a flow sheath for the sample; a plurality of outlets through which the micro particles are separated and discharged out; a channel through which the sample and the fluid flow; and a first electrode and a second electrode longitudinally disposed in parallel in the channel. The first and the second electrodes are provided in such a manner that an electrode gap between the first and the second electrodes has a curved shape. The micro particles in the sample are easily separated using a dielectrophoresis characteristic.

Abstract: A method of controlling a sound output apparatus is provided. The method includes determining frequency bands respectively corresponding to an audible band and an inaudible band in relation to a sound that is received via the sound output apparatus by referring to hearing characteristics of a user using the sound output apparatus, compensating for a perception degree in relation to the inaudible band by emphasizing information regarding the audible band of the sound based on a result of the determining, and outputting a sound obtained by reflecting the compensating.