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| 20100161087 | METHOD AND APPARATUS FOR GENERATION AND PLAYBACK OF OBJECT BASED AUDIO CONTENTS - Disclosed are an apparatus and a method of providing contents. The apparatus of providing the contents may include a receiving unit to receive, from a contents provider, contents and information about a contents providing location, a local group setting unit to search for at least one cell based on the information about the contents providing location and to set the retrieved cell as a content providing location group of the contents, and a transmitting unit to transmit the contents to the set content providing location group. The object based audio contents may be consecutively replayed based on an identical audio preset. | 06-24-2010 |
| 20110054917 | APPARATUS AND METHOD FOR STRUCTURING BITSTREAM FOR OBJECT-BASED AUDIO SERVICE, AND APPARATUS FOR ENCODING THE BITSTREAM - Provided are a method and apparatus for structuring a bitstream for an object-based audio service, and an apparatus for encoding the bitstream. A method of structuring a bitstream, may include: configuring the bitstream by separating the bitstream into a file header and frames of audio objects that are separated using a sound source separation scheme; and storing, in the file header, reproduction level information of audio objects. | 03-03-2011 |
| 20110061516 | METHOD AND SYSTEM FOR SEPARATING MUSICAL SOUND SOURCE WITHOUT USING SOUND SOURCE DATABASE - Provided are an apparatus and method of separating, from a mixed signal, a sound source generated using a rhythm musical instrument based on characteristics of the rhythm musical instrument repeated in an aspect of time. The apparatus may include a separation unit to separate a plurality of mixed signals into a plurality of segments, a Nonnegative Matrix Partial Co-Factorization (NMPCF) analysis unit to perform an NMPCF analysis on the plurality of segments, and to obtain a plurality of entity matrices based on the analysis result, a target instrument signal separating unit to to separate, from the mixed signals, a target instrument signal, by calculating an inner product between the plurality of entity matrices, and a signal association unit to associate the target instrument signals separated from each of the plurality of segments. | 03-17-2011 |
| 20110069934 | APPARATUS AND METHOD FOR PROVIDING OBJECT BASED AUDIO FILE, AND APPARATUS AND METHOD FOR PLAYING BACK OBJECT BASED AUDIO FILE - Provided are an apparatus and method for providing an object based audio file, and an apparatus and method for playing back an object based audio file. The object based audio file producing apparatus may include a bitstream generator to generate a bitstream about an object based audio file including a plurality of audio object frames and a file header for an object based audio service; and a bitstream transmitter to transmit the bitstream to the object based audio file playback apparatus. The plurality of audio object frames may include a frame storing a audio source in which all of a plurality of audio frames is mixed and a frame storing each of the audio objects. | 03-24-2011 |
| 20110112829 | APPARATUS AND METHOD FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO - Provided are an apparatus and a method for integrally encoding and decoding a speech signal and a audio signal. The encoding apparatus may include: an input signal analyzer to analyze a characteristic of an input signal; a first conversion encoder to convert the input signal to a frequency domain signal, and to encode the input signal when the input signal is a audio characteristic signal; a Linear Predictive Coding (LPC) encoder to perform LPC encoding of the input signal when the input signal is a speech characteristic signal; and a bitstream generator to generate a bitstream using an output signal of the first conversion encoder and an output signal of the LPC encoder. | 05-12-2011 |
| 20110119054 | APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO - Provided is an apparatus for integrally encoding and decoding a speech signal and an audio signal. An encoding apparatus for integrally encoding a speech signal and an audio signal, may include: a module selection unit to analyze a characteristic of an input signal and to select a first encoding module for encoding a first frame of the input signal; a speech encoding unit to encode the input signal according to a selection of the module selection unit and to generate a speech bitstream; an audio encoding unit to encode the input signal according to the selection of the module selection unit and to generate an audio bitstream; and a bitstream generation unit to generate an output bitstream from the speech encoding unit or the audio encoding unit according to the selection of the module selection unit. | 05-19-2011 |
| 20110119055 | APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO - Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream. | 05-19-2011 |
| 20110119067 | APPARATUS FOR SIGNAL STATE DECISION OF AUDIO SIGNAL - A module capable of appropriately selecting a linear predictive coding (LPC)-based or a code excitation linear prediction (CELP)-based speech or audio encoder and a transform-based audio encoder according to a feature of an input signal is a module that performs as a bridge for overcoming a performance barrier between a conventional LPC-based encoder and an audio encoder. Also, an integral audio encoder that provides consistent audio quality regardless of a type of the input audio signal can be designed based on the module. | 05-19-2011 |
| 20110137663 | ENCODING APPARATUS AND DECODING APPARATUS FOR TRANSFORMING BETWEEN MODIFIED DISCRETE COSINE TRANSFORM-BASED CODER AND HETERO CODER - An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a hetero coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the hetero coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded. | 06-09-2011 |
| 20110257981 | LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE - Disclosed is an LPC residual signal encoding/decoding apparatus of an MDCT based unified voice and audio encoding device. The LPC residual signal encoding apparatus analyzes a property of an input signal, selects an encoding method of an LPC filtered signal, and encode the LPC residual signal based on one of a real filterbank, a complex filterbank, and an algebraic code excited linear prediction (ACELP). | 10-20-2011 |
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| 20090065858 | DMOS TRANSISTOR AND FABRICATION METHOD THEREOF - In one example embodiment, a method of fabricating a DMOS transistor includes various steps. First, a P-type well or an N-type well is formed on a semiconductor substrate by an impurity injection. Next, a drift region is formed on the portion of the semiconductor substrate in which the well region is formed by injecting conductive impurities reverse to those of the well region. Then, a trench for forming a gate on the semiconductor substrate is formed within the drift region. Next, a gate oxide and a gate electrode are formed in the trench. Finally, source/drain regions are formed by injecting the same conductive impurities as those of the drift region at both sides of the gate electrode. | 03-12-2009 |
| 20090175144 | INFORMATION RECORDING METHOD AND APPARATUS - An information recording method, including detecting a synchronous signal and first address information from a recording medium, on which the synchronous signal and the first address information have been preformatted in a wobbled groove track, which is divided into a first unit with a predetermined length on the wobbled groove track. The method further includes constructing the track into second units, the second unit having a length different from the first unit with the predetermined length, and generating second address information indicating the constructed second units. | 07-09-2009 |
| 20110227844 | METHOD AND APPARATUS FOR INPUTTING CHARACTER IN PORTABLE TERMINAL - A method and apparatus for inputting a character in a portable terminal are provided. A method for inputting a character in a portable terminal includes displaying a keypad on a screen, detecting a screen touch, determining whether the screen touch moves based on a start position and an end position of the screen touch, and displaying a character corresponding to a touch position or performing a character input function corresponding to a touch movement direction, according to whether the screen touch is determined to move. | 09-22-2011 |
| 20120018325 | CASE FOR BAR TYPE MOBILE ELECTRONIC DEVICE - A case for a bar type mobile electronic device is provided. The case includes a main body and an auxiliary body. The main body includes a periphery part and guide parts. The periphery part wraps the sides of the mobile electronic device. The guide parts cover parts of the front and back of the mobile electronic device. The guide parts are extended in the direction where the mobile electronic device is located at both opposite edges of the periphery part. The auxiliary body wraps the outer surface of the periphery part. The auxiliary body applies pressure to the main body in the direction of the mobile electronic device. The auxiliary body assists the main body to couple to the mobile electronic device, so that the case cannot be easily removed from the mobile electronic device and can protect the mobile electronic device from scratches and external impact. | 01-26-2012 |
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| 20080285316 | AC/DC CONVERTER AND AC/DC CONVERSION METHOD USING THE SAME - Disclosed herein are an AC/DC converter which is simple in circuit configuration, generates little ElectroMagnetic Interference (EMI) and has no transformer so that it can be reduced in weight and size and improved in AC/DC conversion efficiency, and an AC/DC conversion method using the same. The AC/DC converter includes a rectification circuit for converting a commercial AC (85-264V) voltage into a ripple AC voltage, a first control circuit for comparing the converted ripple AC voltage with a reference voltage and outputting a first pulse control signal as a result of the comparison, a first switching circuit for switching and outputting the ripple AC voltage from the rectification circuit in response to the first pulse control signal outputted from the first control circuit, and a first charge storage circuit for smoothing the ripple AC voltage outputted from the first switching circuit to convert it into a primary DC voltage. | 11-20-2008 |
| 20090207042 | WIRELESS REMOTE METER READING APPARATUS AND DRIVING METHOD THEREOF - A wireless remote meter reading apparatus and driving method thereof are used to reduce the cost of detecting the amount of energy consumption and to enhance the detection efficiency, so as to facilitate the detection of the energy consumption amount of tap water, gas, electricity, calorie or the like. Each of a set of short-range wireless networks includes meter reading units. Regenerative repeating units and a data centralizing unit configure a cell unit. A base station controller collects meter-reading data from the short-range wireless networks configured by the cell unit via a base station. A meter reading server supplies a control signal to the meter reading units, the regenerative repeating units and the data centralizing unit using a long-range network, such as GSM, GPRS, CDMA, SMSC via a mobile switch or an internet network. The meter reading server is supplied with the meter reading data via the long-range network. | 08-20-2009 |
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| 20110018121 | Semiconductor packages and methods of fabricating the same - A semiconductor package may include a substrate having first and second surfaces, the second surface including a recessed portion, a first semiconductor chip mounted on the first surface, a first ball land outside the recessed portion, a connection pad inside the recessed portion, a second chip in the recessed portion, the second semiconductor chip including a through via electrically connected to the connection pad, and a second ball land electrically connected to the through via. A semiconductor package may include a substrate having first and second surfaces, the second surface including a recessed portion, a first semiconductor chip mounted on the first surface, a first ball land outside the recessed portion, a connection pad inside the recessed portion, a second semiconductor chip in the recessed portion, the second chip including a through via electrically connected to the connection pad, and a second ball land electrically connected to the through via. | 01-27-2011 |
| 20110109000 | SEMICONDUCTOR PACKAGE AND METHOD OF FORMING THE SAME - Provided are a semiconductor package and a method of forming the same. The semiconductor package includes a stress reliever disposed on a part (more specifically, a weak part) of a semiconductor chip. The stress reliever relieves thermal and/or physical stresses caused by a molding layer. As a result, the semiconductor chip does not suffer from the thermal and/or physical stresses. | 05-12-2011 |
| 20110237027 | Method Of Forming Package-On-Package And Device Related Thereto - Provided is a method of forming a package-on-package. An encapsulation is formed to cover a wafer using a wafer level molding process. The wafer includes a plurality of semiconductor chips and a plurality of through silicon vias (TSVs) passing through the semiconductor chips. The encapsulant may have openings aligned with the TSVs. The encapsulant and the semiconductor chips are divided to form a plurality of semiconductor packages. Another semiconductor package is stacked on one selected from the semiconductor packages. The other semiconductor package is electrically connected to the TSVs. | 09-29-2011 |
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| 20100154450 | Air Conditioning System Using Dehumidifying Cooling Device - An air conditioning system using for a dehumidifying cooling device has developed that comprising a heating source for producing hot water, a heat exchanger for transferring heat from the hot water to circulating water, a circulation pump for circulating the resulting hot water heated in the heat exchanger, a heating pipeline connected to the circulation pump for conveying the hot water to a heat supply target area, a user heat exchanger connected to the heating pipeline for conveying hot water to the heat supply target area, a dehumidifying cooling device connected to a hot water pipe of users heat exchanger and installed in each household within the heat supply target area, the dehumidifying cooling device removing moisture from the air by using hot water supplied from the hot water pipe to deal with latent heat load and to lower the temperature of the dehumidified air via evaporation of water contained in the air. | 06-24-2010 |
| 20100154455 | Dehumidifying Cooling Device for District Heating - Disclosed is a dehumidifying cooling device for district heating which comprises; a case having a first partition to divide the interior of the case into a wet channel and a dry channel and a second partition to divided the wet channel into a first wet channel and a second wet channel, a sensible heat exchanger to heat exchange the outside air in the first wet channel with the outside air in the second wet channel, a heating coil for raising the temperature of the outside air in the second wet channel, a rotatable de humidifying wheel for adsorbing and removing moisture contained in the circulated air within the dry channel, and a regenerative-evaporative cooler for cooling the circulated air in the dry channel. With this configuration, the device can carry out an air cooling operation by use of hot water supplied by district heating systems and gas or oil boilers installed in individual households, thereby achieving a reduced device size via the implementation of the cooling operation under the atmospheric pressure state and reducing manufacturing costs by virtue of a simplified system configuration. | 06-24-2010 |
| 20100190082 | Fuel Cell - Disclosed is a fuel cell including, a stack having fuel channels through which fuel flows and air channels through which air flows, the fuel channels and air channels being located at both sides of a reaction film, an actuator disposed to be involved in the air channels, the actuator allowing external air of the stack to affect the air channels, and a skirt extending from the stack with communicating with the air channels. | 07-29-2010 |
| 20100212345 | Dehumidifying Cooling Device for District Heating - A dehumidifying cooling device for district heating is developed that comprising; a case with partitions divided into interior, which are a wet channel consisting of an outside air suction, exhaust and a dry channel for circulated air suction from conditioning area and air supply; a rotating sensible heat exchanger to heat exchange outside air of wet channel with the circulated air in the dry channel; a heating coil between the sensible heat exchanger and the exhaust for raising the temperature of outside air; a dehumidifying wheel for adsorbing and removing moisture contained in the circulated air; the dehumidifying wheel being regenerated by evaporating the adsorbed moisture thereby supplying the evaporated moisture into the high-temperature outside air in the wet channel, and a regenerative-evaporative cooler installed between the circulated air supply and the sensible heat exchanger for cooling the circulated air in the dry channel, the cooled circulated air delivered to the air supply. | 08-26-2010 |
| 20110073290 | HEAT EXCHANGER FOR DEHUMIDIFIER USING LIQUID DESICCANT AND DEHUMIDIFIER USING LIQUID DESICCANT HAVING THE SAME - Disclosed are a heat exchanger for a dehumidifier using a liquid desiccant and a dehumidifier using a liquid desiccant having the same. The heat exchanger for a dehumidifier using a liquid desiccant, comprises: a plurality of plate-type heat exchanger bodies to which a heat transfer medium flows through flow paths formed therein; and a plurality of plates extending between the respective heat exchanger bodies, and inclined with respect to the surfaces of the heat exchanger bodies. | 03-31-2011 |
| 20110211559 | DATA FORWARDING METHOD AND SYSTEM FOR VERTICAL HANDOVER - A data forwarding method and system is provided for avoiding data loss during a vertical handover by forwarding data through an IP tunnel established between a newly introduced network entity called a Data Forwarding Function of the serving network and a Forward Attachment Function of a target network. A data forwarding method of a data forwarding unit located in a serving network for a vertical handover according to the present invention includes receiving an address of a forwarding attachment unit located in a target network and a data forwarding preparation request that are transmitted by a user equipment; establishing an Internet Protocol (IP) tunnel to the forwarding attachment unit according to the data forwarding preparation request; and forwarding, when a vertical handover is initiated, handover packets to the forwarding attachment unit through the IP tunnel. | 09-01-2011 |
| 20110232315 | REGENERATIVE EVAPORATIVE COOLER, COOLING SYSTEM AND CORE MODULE THEREOF - A regenerative evaporative cooler (REC) including: a plurality of dry channel units allowing indoor air to pass therethrough; a plurality of wet channel units formed to extract a portion of air, which has passed through the dry channel units, and formed to heat-exchange with the dry channel units; an evaporation water supply unit disposed at an upper portion of the wet channel units and supplying the wet channel units with evaporation water; and dry channel shields formed at an upper side of the dry channel units, allowing evaporation water supplied from the evaporation water supply unit to be introduced into the wet channel units, and shielding the upper portions of the dry channel units. The dry channel shield effectively prevents evaporation water sprinkled by the evaporation water supply unit from being introduced into the wet channels and simplifies the configuration of the evaporation water supply unit. | 09-29-2011 |
| 20120036869 | PORTABLE REFRIGERATOR WITH FUEL CELL SYSTEM AND OPERATING METHOD THEREOF - Disclosed are a portable refrigerator with a fuel cell system and an operating method thereof. The portable refrigerator with a fuel cell system comprises a case having a storage space, a fuel cell stack disposed in the case, a gas tank configured to store gas necessary to operate the fuel cell stack, a fan configured to cool the fuel cell stack and supply air to the fuel stack, a thermoelectric cooling means disposed in the case, and configured to cool the storage space, a battery charged by the fuel cell stack, and configured to supply power to the thermoelectric cooling means, and a controller configured to control the fuel cell stack and the thermoelectric cooling means. | 02-16-2012 |
