Abstract:
There is provided a semiconductor package capable of significantly reducing a size of a power semiconductor package including a power semiconductor device and a control device. The semiconductor package includes a lead frame including a first frame and a second frame; at least one first electronic device mounted on the first frame; a substrate engaged with the second frame and having one surface on which a wiring pattern is formed; and at least one second electronic device mounted on the substrate and electrically connected to the wiring pattern, a portion of the wiring pattern electrically connected to the at least one second electronic device being formed to have a line width smaller than an internal lead of the lead frame.
Abstract:
Disclosed herein is a semiconductor package including: first power device; second power device formed in an upper portion of the first power device; a first lead frame formed in a lower portion of the first power device; a second lead frame formed in the upper portion of the first power device and a lower portion of the second power device; a third lead frame formed in an upper portion of the second power device; a fourth lead frame electrically connected to at least one of the power device and the second power device; and a sealing substance exposing a part of the first through fourth lead frames and sealing the other parts thereof.
Abstract:
An intra prediction method and a device using the intra prediction method are provided. The intra prediction method using a DC mode includes setting a bottom-right pixel to a DC-predicted value, interpolating the bottom-right pixel and an n-th top reference pixel to derive predicted values of an n-th column and interpolating the bottom-right pixel and an n-th left reference pixel to derive predicted values of an n-row, and performing bidirectional linear interpolation to derive predicted values of pixels included in a prediction unit other than the n-th row and the n-th column.
Abstract:
Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.
Abstract:
A method for selecting a motion vector predictor is provided. The method of selecting a motion vector predictor includes the steps of selecting motion vector predictor candidates for a current block and selecting a motion vector predictor of the current block out of the motion vector predictor candidates, wherein the motion vector predictor candidates for the current block include a motion vector of a first candidate block which is first searched for as an available block out of left neighboring blocks of the current block and a motion vector of a second candidate block which is first searched for as an available block out of upper neighboring blocks of the current block.
Abstract:
The present invention relates to an image information encoding and decoding method and a device for same. One embodiment of an image information encoding method according to the present invention, as an image information encoding method according to another embodiment of the present invention, includes the steps of: generating a restore block; applying a deblocking filter on the restore block; applying a Sample Adaptive Offset (SAO) on the restore block having the deblocking filter applied thereon; and transmitting information on the SAO application. During the applying of the SAO, the SAO is applied to chroma pixels, and during the transmitting of the information, in addition to information on whether the SAO is applied on the chroma pixels, at least one of area information, division information on the SAO coverage area, SAO type information, and SAO offset information is transmitted.
Abstract:
A method of processing a signal is disclosed. The present invention includes receiving a maximum number of band and a code value of at least one section length, calculating a bit number corresponding to the code value of the at least one section length using the maximum number of the band, and obtaining the section length information by decoding the code value of the section length based on the bit number. A method of processing a signal is disclosed. The present invention includes receiving factor information of a current frame, receiving flag information indicating whether a coding mode of the factor information is an absolute value mode or a relative value mode, and obtaining factor data of the current frame using factor data of a previous frame and the received factor information based on the flag information.
Abstract:
A method for processing a multi-view video stream includes receiving the multi-view video stream including a random access picture, the random access picture including a random access slice referring to slices existing at a same time in a different view only, receiving identification information indicating that the received multi-view video stream is a stereo video bitstream, obtaining flag information indicating whether the random access picture is used for inter-view prediction based on the flag information, determining initialization information of a reference picture list of the random access picture based on the flag information, initializing the reference picture list of the random access picture using the initialization information, determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list, and decoding the macroblock using the prediction value of the macroblock.
Abstract:
A method and apparatus for signal processing which enable data compression and recovery with high transmission efficiency are disclosed. Data coding and entropy coding are performed with correlation and grouping is used to increase coding efficiency. A method for signal processing according to this invention, the method includes decapsulating the signal received over an Internet protocol network, obtaining data coding identification information from the de-capsulated signal and data-decoding data according to a data coding scheme indicated by the data coding identification information, wherein the data coding scheme includes at least a pilot coding scheme, the pilot coding scheme decodes the data using a pilot reference value corresponding to a plurality of data and a pilot difference value, and the pilot difference value is generated using the data and the pilot reference value.
Abstract:
Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial information from a received audio signal and generating a pseudo-surround signal using the downmix signal and the spatial information. The apparatus for decoding an audio signal includes a demultiplexing part extracting a downmix signal and spatial information from a received audio signal and a pseudo-surround decoding part generating a pseudo-surround signal from the downmix signal, using the spatial information.