Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.

Abstract: The present invention relates to a method for processing an audio signal, comprising the following steps: performing a linear predictive analysis on the current frame of an audio signal so as to generate a first target vector, which is a target vector of a first stage, on the basis of a plurality of linear prediction transform coefficients; performing vector quantization on the first target vector so as to acquire a predetermined number of first temporary candidate code vectors of the first stage; calculating first temporary candidate errors, which are errors between the first temporary candidate code vectors and the first target vector; and determining a first number, which is the number of the first candidate code vectors, on the basis of the first temporary candidate errors, and acquiring first final candidate code vectors in the same amount as the first number.

Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.

Abstract: The present invention relates to a hard coating film and a preparation method thereof, and, more particularly, to a hard coating film having high hardness and excellent properties and a method of preparing the same. The method is advantageous in that a high-hardness hard coating film, which is not easily curled, can be easily prepared. The hard coating film prepared by this method can be usefully used in various fields because it has high hardness, scratch resistance, transparency, durability, light resistance, light transmittance and the like.

Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.

Abstract: The present disclosure is related to a device for measuring reflective absorbance, a device for lateral flow assay, and a device comprising the same which is able to performing both absorbance measurement and lateral flow assay together. The present device for measuring reflective absorbance comprises a base member comprising a sample receiving part; and a cover member covering an upper portion of the base member; the cover member comprising a sample inlet through which a sample is introduced into the sample receiving part and a light transmitting member.

Abstract: Method and device of extending a signal band of a voice or audio signal are provided. The bandwidth extension method includes the steps of: performing a modified discrete cosine transform (MDCT) process on an input signal to generate a first transform signal; generating a second transform signal and a third transform signal on the basis of the first transform signal; generating normalized components and energy components of the first transform signal, the second transform signal, and the third transform signal therefrom; generating an extended normalized component from the normalized components and generating an extended energy component from the energy components; generating an extended transform signal on the basis of the extended normalized component and the extended energy component; and performing an inverse MDCT (IMDCT) process on the extended transform signal.

Abstract: A speech signal encoding method and a speech signal decoding method are provided. The speech signal encoding method includes the steps of specifying an analysis frame in an input signal; generating a modified input based on the analysis frame; applying a window to the modified input; generating a transform coefficient by performing an MDCT (Modified Discrete Cosine Transform) on the modified input to which the window has been applied; and encoding the transform coefficient. The modified input includes the analysis frame and a self replication of all or a part of the analysis frame.

Abstract: The present invention relates to a method for processing an audio signal, comprising the following steps: performing a linear predictive analysis on the current frame of an audio signal so as to generate a first target vector, which is a target vector of a first stage, on the basis of a plurality of linear prediction transform coefficients; performing vector quantization on the first target vector so as to acquire a predetermined number of first temporary candidate code vectors of the first stage; calculating first temporary candidate errors, which are errors between the first temporary candidate code vectors and the first target vector; and determining a first number, which is the number of the first candidate code vectors, on the basis of the first temporary candidate errors, and acquiring first final candidate code vectors in the same amount as the first number.

Abstract: The present invention relates to multipotent adult stem cells derived from canine umbilical cord blood, placental blood and blood sample from canine fetal heart, and a method for preparing the same as well as a cellular therapeutic agent containing the same, more specifically, to a multipotent adult stem cell isolated by culturing an eukaryotic cell derived from canine umbilical cord blood, placental blood and blood sample from canine fetal heart in a FBS-containing medium and a method for preparing the same. Adult stem cells according to the present invention have characteristics highly similar to human mesenchymal stem cells as well as remarkable cell growth at the initial step compared to human UCB-derived mesenchymal stem cells so that the cells are useful to treat canine incurable diseases and difficult-to-cure diseases. Furthermore, multipotent adult stem cells are effective to treat musculoskeletal diseases and neural diseases.

Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.

Abstract: A method, apparatus, and system for encoding or decoding a broadband voice signal are provided. The method includes extracting a linear prediction coefficient (LPC) from the broadband voice signal; outputting a linear prediction (LP) residual signal; pitch-searching a spectrum of the LP residual signal; extracting spectral magnitudes and phases of the LP residual signal, which correspond to a damping factor; obtaining, from among the extracted spectral magnitudes and phases, a first spectral magnitude and a first phase at which a power value of the LP residual signal is minimized; quantizing the first spectral magnitude and the first phase; and decoding the broadband voice signal. The apparatus includes a linear prediction coefficient (LPC) analyzer; an LPC inverse filter; a pitch searching unit; a sinusoidal analyzer; and a phase and spectral magnitude quantizer. The system includes a broadband voice encoding apparatus and a broadband voice decoding apparatus.

Abstract: The present invention relates to multipotent adult stem cells derived from canine umbilical cord blood, placental blood and blood sample from canine fetal heart, and a method for preparing the same as well as a cellular therapeutic agent containing the same, more specifically, to a multipotent adult stem cell isolated by culturing an eukaryotic cell derived from canine umbilical cord blood, placental blood and blood sample from canine fetal heart in a FBS-containing medium and a method for preparing the same. Adult stem cells according to the present invention are derived from canine umbilical cord blood, placental blood and blood sample from canine fetal heart. The adult stem cells have characteristics highly similar to human mesenchymal stem cells as well as remarkable cell growth at the initial step compared to human UCB-derived mesenchymal stem cells so that the cells are useful to treat canine incurable diseases and difficult-to-cure diseases.

Abstract: A method, apparatus, and system for encoding or decoding a broadband voice signal are provided. The method includes extracting a linear prediction coefficient (LPC) from the broadband voice signal; outputting a linear prediction (LP) residual signal; pitch-searching a spectrum of the LP residual signal; extracting spectral magnitudes and phases of the LP residual signal, which correspond to a damping factor; obtaining, from among the extracted spectral magnitudes and phases, a first spectral magnitude and a first phase at which a power value of the LP residual signal is minimized; quantizing the first spectral magnitude and the first phase; and decoding the broadband voice signal. The apparatus includes a linear prediction coefficient (LPC) analyzer; an LPC inverse filter; a pitch searching unit; a sinusoidal analyzer; and a phase and spectral magnitude quantizer. The system includes a broadband voice encoding apparatus and a broadband voice decoding apparatus.

Abstract: The present invention relates to a method of selectively reproducing a desired type of data from a multi-session disk in which various types of data have been recorded on sessions. The method of reproducing a recording medium containing same type of contents in each session identifies each type of a plurality of sessions sequentially, composes type telling information based on the identified types wherein information indicative of same type of data sections is to be collectively placed when the type telling information is viewed, presents the type telling information with a choice button or box for a user's selecting an arbitrary type, and selectively reproduces data sections corresponding to a selected type from a user. According to this method, it is possible for a user to recognize easily all types of data recorded on a multi-session disk containing various types of data, whereby a user can request reproduction or copy of same type data quite conveniently.

Abstract: The present invention relates to a method of selectively reproducing a desired type of data from a multi-session disk in which various types of data have been recorded on sessions. The method of reproducing a recording medium containing same type of contents in each session identifies each type of a plurality of sessions sequentially, composes type telling information based on the identified types wherein information indicative of same type of data sections is to be collectively placed when the type telling information is viewed, presents the type telling information with a choice button or box for a user's selecting an arbitrary type, and selectively reproduces data sections corresponding to a selected type from a user. According to this method, it is possible for a user to recognize easily all types of data recorded on a multi-session disk containing various types of data, whereby a user can request reproduction or copy of same type data quite conveniently.

Abstract: A blue-emitting phosphor of europium-activated barium magnesium aluminate is used in a high color rendering three-band type fluorescent lamp, in which the particle size distribution is uniform to obtain excellent phosphor layer. A fluorescent lamp employing the blue-emitting phosphor mixed with red and green-emitting phosphors has a uniform emission luminance distribution and increased luminous flux intensity. The employed blue phosphor is expressed:Ba.sub.a Mg.sub.b Al.sub.c La.sub.x O.sub.a+b+3(c+x)/2 :Eu.sub.dwhere 0.1.ltoreq.a.ltoreq.2.4, 0.1.ltoreq.b.ltoreq.5, 8.ltoreq.c.ltoreq.64, 0.001.ltoreq.x.ltoreq.0.2, and 0.1.ltoreq.d.ltoreq.4.