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WO/2009/101119A1 |
The present application provides a method of randomly accessing a compressed structure in memory without the need for retrieving and decompressing the entire compressed structure.
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WO/2009/100670A1 |
A method and a device for switching processing of audio frequency signals are provided, wherein the method includes: acquiring the feature information of the audio frequency signals in the end state of the first stage before the conversi...
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WO/2009/100768A1 |
This invention relates to indexing an input vector contained in a set of vectors of a plurality of sets of vectors. The indexing comprises performing, in case that the input vector is contained in a set of vectors of a pre-defined group ...
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WO/2009/097824A1 |
An apparatus comprising a decorrelator, a co mpressive sampler coupled to the decorrelator, and an encoder coupled to the compressive sampler, wherein the compressive sampler is configured to receive sparse data and compress th e sparse ...
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WO/2009/098933A1 |
It is possible to preferably transmit a video signal of a desired bit rate within a transmission bit rate of a transmission path. A control unit (111) controls operations of data compression units (121-1 to 121-n) and a switch unit (122)...
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WO/2009/095956A1 |
Repetitive parts are sequentially detected from compressed data, and then it is determined whether a relatively coinciding position of the repetitive parts is repetition of a word at the position corresponding to a multiple of an instruc...
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WO/2009/096898A1 |
Embodiments of the invention provides a method and device for assigning bitrates to a plurality of channels in a scalable audio encoding/truncation process. Different bitrates are assigned to different channels in the scalable audio enco...
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WO/2009/096538A1 |
The value of a cross term cross(j, m) of a pair (x_j, y_m) of representative output vectors selected from a code book X storage unit (31) and a code book Y storage unit (32), respectively, is previously calculated and stored in a cross t...
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WO/2009/093714A1 |
Disclosed is an encoding method with a small error. The encoding method corrects a normalized value obtained from an input signal by an error worth obtained from the input/output at the time of vector quantization and then quantizes the ...
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WO/2009/093866A2 |
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes an audio signal receiving unit receiving the audio signal including at least one object; a preset metadata receiving unit receiv...
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WO/2009/094649A1 |
A method, computer program product, and system for variant string matching. A computer implemented method for variant string matching may comprise comparing with a computing device two unidentical strings in a training variant string pai...
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WO/2009/093867A2 |
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and preset information; obtaining preset matrix from the preset information, wherein the preset matri...
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WO/2009/092309A1 |
A control apparatus for quantizing noise leakage includes a transient signal detection unit (21), used to divide a frame of current input signal into plurality of sub-frames, compute the maximum amplitude value of each sub-frame, use a r...
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WO/2009/094036A1 |
In a method of selecting coding modes for block-based encoding of a digital video stream composed of a plurality of successive frames, depth values of pixels contained in coding blocks having different sizes in the plurality of successiv...
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WO/2009/090587A2 |
MIFARE applications (MIA) are organized in at least one sector comprising sector data being arranged in data blocks and a sector trailer. A compressing method for MIFARE application comprises: searching for consecutive occurrences of sam...
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WO/2009/091279A1 |
The present disclosure provides a method for data compression. In one embodiment the method may include converting data from a first color space to a second color space to generate converted data. The method may further include receiving...
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WO/2009/088207A2 |
The apparatus for appending CRC to the data or signaling to be transmitted in the communication systems is proposed in present invention. If the length of the CRC-bit sequence is 16, one of the CRC generation polynomials listed in presen...
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WO/2009/088257A2 |
Disclosed is a method for identifying frame type. The method comprises the steps of: receiving current frame type information; obtaining previous frame type information which was received in advance; generating frame identification infor...
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WO/2009/084917A1 |
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal, and object information extracted when the downmix signal is generated, receiving mix inf...
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WO/2009/084920A1 |
An apparatus for processing a signal and method thereof are disclosed. The present invention includes receiving a downmix signal generated from a plural -channel signal, mix information and phase shift information on the plural -channel ...
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WO/2009/084918A1 |
A method of processing an audio signal is disclosed. The present invention includes obtaining spectral data and a loss signal compensation parameter, detecting a loss signal based on the spectral data, generating first compensation data ...
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WO/2009/084919A1 |
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal and object information extracted when the downmix signal is generated, receiving mix info...
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WO/2009/084221A1 |
Provided is an encoding device which can suppress quality degradation of a decoded signal in a band extension for estimating a high range from a low range of a decoded signal. The encoding device includes: a first layer encoding unit (20...
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WO/2009/082239A1 |
The present invention provides a method and a device for lossless coding of event tables with dynamically matching VLC tables. The most probable event should be assigned the shortest code and the respective events should have increasing ...
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WO/2009/081568A1 |
An encoder capable of reducing the degradation of the quality of the decoded signal in the case of band expansion in which the high band of the spectrum of an input signal is estimated from the low band. In this encoder, a first layer en...
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WO/2009/081553A1 |
An image encoder (100) for encoding image data comprises an image encoding section (110) for receiving the input of the image data and image parameters and performing the image encoding, binalization, and arithmetic encoding of the image...
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WO/2009/082146A2 |
A channel coding method of variable length information using block code is disclosed. A method for channel-coding information bits using a code generation matrix including 20 rows and A columns corresponding to length of the information ...
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WO/2009/075511A1 |
A method of processing a signal is disclosed, which includes receiving a downmix signal, object information and rendering information; obtaining downmix gain flag information indicating whether a downmix gain is included in the object in...
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WO/2009/074089A1 |
An image and image mode coding and decoding method, apparatus and an image coding and decoding system. The image coding method comprises making sure the image mode value corresponding to the image information according to the image infor...
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WO/2009/075510A1 |
A method of processing a signal is disclosed, which includes receiving a downmix signal, object information and rendering information; and generating downmix processing information using the object information and the rendering informati...
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WO/2009/075326A1 |
High coding efficiency in a companded signal string is realized and the code amount is reduced. A coding method includes an analysis step and a signal string transformation step. In the analysis step, confirmation is made on whether ther...
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WO/2009/072571A1 |
This object is aimed to increase coding efficiency of a compressed/expanded signal sequence and reduce a code amount. A coding method includes a prediction quantization step, a prediction value calculation step, a subtraction step, a coe...
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WO/2009/071420A1 |
An allocation (40) of subsets (11, 12, 13) of the data set (10), which comprise in each case one or more characters (11) and codes (31, 32, 33), is used in a method for coding and decoding a dataset (10) having characters (11). The alloc...
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WO/2009/070826A1 |
A method (800) of performing distributed video encoding on an input video frame (1005), is disclosed. The method (800) forms a bit-stream from original pixel values of the input video frame (1005), such that groups of bits in the bit-str...
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WO/2009/072601A1 |
A system (20) which outputs compressed data (39)includes: a printer driver (21) which generates image data (31) which has been subjected to a screen process according to dot information (32) and outputs the image data (31) and the dot in...
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WO/2009/067747A1 |
A system (100) for encoding an input video frame (1005), for transmitting or storing the encoded video and for decoding the video is disclosed. The system (100) includes an encoder (1000) and a decoder (1200) interconnected through a sto...
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WO/2009/066960A1 |
A method of processing a signal is disclosed. The present invention includes receiving extension information and at least one downmix signal of a first downmix signal decoded by a audio coding scheme and a second downmix signal decoded b...
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WO/2009/066959A1 |
A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode information and modification flag information indicating whether the first signal i...
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WO/2009/063662A1 |
To acquire a quantized bit number of (n+α) bits by performing an extension of α bits (5) to a voice signal quantized to n bits. A one-dimensional m-th ε filter section eliminates a distortion caused by a shortage of the number of quan...
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WO/2009/065027A1 |
The invention allows the interpolation factor, a critical parameter in sample rate conversion systems, to be computed in a real-time system where there is a complex relationship between a DSP clock and the data clocks. Typically, two or ...
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WO/2009/059513A1 |
A coding method and encoder are provided. The encoder includes: a feature parameter extracting unit (101), used to obtain the feature parameter of the input signal; a signal type determining unit (102), used to determine the type of the ...
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WO/2009/059564A1 |
A multi-rate speech audio encoding method includes: calculating a difference value signal between a synthetic speech obtained by decoding the coded input signal and the input signal; calculating a index value corresponding to the nearest...
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WO/2009/060332A2 |
Methods and apparatus are provided for modulation coding a stream of binary input data. A 4-ary enumerative encoding algorithm is applied to the input bit-stream to produce a succession of 4-ary output symbols. The 4-ary algorithm is ope...
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WO/2009/056866A1 |
Methods of spectral partitioning which may be implemented in an encoder are described. The methods comprise determining an estimateof bit requirements for each of a plurality of spectral sub-bands. These estimates are then used to group ...
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WO/2009/057459A1 |
The data stream of a code string is divided into a series of block groups, the first block of the block groups is compressed according to a slide dictionary considering the code of the first block as a reference dictionary, blocks subseq...
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WO/2009/056047A1 |
A vector quantizating method includes: obtaining the vector to be quantizated, N-level quantizating the vector to be quantizated, obtaining the residual vector N-level quantizated, in which N is a positive integer; selecting a regulation...
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WO/2009/057506A1 |
An encoding method for an image signal by which the value of a pixel to be encoded is encoded by using a predicted value generated by space prediction or time prediction from a decoded image. The value of the pixel to be encoded is predi...
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WO/2009/057439A1 |
This invention provides a lossless 4-point Hadamard transform circuit which can minimize the number of times of addition/subtraction calculations, and reduce the number of times of round processing required to convert data including a fr...
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WO/2009/053342A1 |
To compress a digital acquisition signal (12) representing a sampled centred pseudosinusoidal analogue signal, a data compression method (10) includes a lossy compression step (30) optionally followed by a lossless compression step (40)....
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WO/2009/053728A1 |
Methods and apparatus for iteratively encoding a portion of a signal are described in which the portion of the signal is quantised and an output bit count is estimated based on the sum of logarithms to base n of values of each sample in ...
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