Abstract: Multimedia playing apparatuses and methods of measuring hearing characteristics of a user and outputting a sound modulated according to the hearing characteristics of the user are provided. A multimedia playing apparatus includes a sound output unit configured to output a sound comprising of one or more phonemes, and a user interface configured to receive a user response to the phonemes. The multimedia playing apparatus further includes a processor configured to acquire hearing characteristics of a user based on the user response, and determine an output level and/or an output time of the sound for each of frequency bands based on the hearing characteristics of the user. The sound output unit is further configured to output the sound according to the output level and/or the output time of the sound for each of the frequency bands.

Abstract: A sound outputting apparatus and a method of controlling the same are provided. A method of controlling a sound outputting apparatus includes extracting a noise signal and a desired signal, estimating a direction of arrival (DoA) of the extracted desired signal, and outputting sound.

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 and the interference signal for each channel.

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 method of displaying bio-information on a screen includes outputting basic bio-information of a plurality of bio-parameters indicating a condition of a patient on one display screen, determining an occurrence of an event related to the plurality of bio-parameters, converting the basic bio-information into detailed bio-information about one of the plurality of bio-parameters based on a result of the determining an occurrence of an event, and outputting the converted detailed bio-information on the one display screen.

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 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 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.

Abstract: A sound outputting apparatus and a method of controlling the same are provided. A method of controlling a sound outputting apparatus includes extracting a noise signal and a desired signal, estimating a direction of arrival (DoA) of the extracted desired signal, and outputting sound.

Abstract: Provided is a device and a display method and medium for the device. The device includes a sensing unit sensing the acceleration of gravity affecting the device on fixed coordinates with respect to the device, a calculator calculating a tilted figure of the device using the sensing result, a plurality of buttons displaying a plurality of images in response to a control signal, and a controller generating the control signal for commanding to display images indicated by image data corresponding to the calculation result from among prepared image data.

Abstract: A method of testing hearing ability using a sound source reproducing apparatus, the method comprises outputting at least one test sound representing at least one frequency band, acquiring a response of a testee to a degree of audibility of the at least one test sound, and testing hearing ability of the testee in the at least one frequency band corresponding to each of the at least one test sound, respectively, according to the response of the testee.

Abstract: An apparatus for and method of providing haptics of an image displayed through an image unit. The apparatus includes: a touch unit checking whether a user has touched a portion of the displayed image, and searching for a position of the portion when the user touches the portion; and a magnetic force changing unit changing magnetic forces in response to haptic information corresponding to the position and expressing the changed magnetic forces through the image unit. The haptics of the portion are provided through the change of the expressed magnetic forces.

Abstract: A method of transmitting biological information includes selecting a transmission mode from a plurality of transmission modes and transmitting biological information of a user to an external device using the selected transmission mode. Each of the transmission modes transmits different quantities of data to the external device based on a state of the biological information of the user.

Abstract: The apparatus embodies a tilting interface controlling a signal using information regarding a tilt of a handheld device. The apparatus includes a tilt measurement module measuring the tilt of the handheld device; a history storage module storing, in order of time, a history of information regarding the measured tilt of the handheld device and a history of stop position information of the menu list items, the stop position information being created from the signal output according to the information regarding the measured tilt of the handheld device; and a moving speed control module controlling the speed of moving between the menu list items by setting a candidate range, to which a target item desired by a user belongs, using the histories.

Abstract: A method and apparatus to disturb a voice signal by attenuating and masking the voice signal are provided. The method includes; receiving a voice signal from a wired or wireless network; obtaining a masked voice signal by dividing the received voice signal into a plurality of segments of the same size; outputting the received voice signal and receiving a feedback signal of the output voice signal; obtaining an attenuated voice signal by performing a first sound attenuation operation on the feedback signal; and combining the attenuated voice signal and the masked voice signal and outputting the result of the combination as disturbing sound.