|
Match
|
Document |
Document Title |
|
|
RE40996 |
Optical recording disk capable of resynchronization in digital encoding and decoding
In carrying out PWM-recording on optical disks, RESYNC BYTES including a bit compensation part, RESYNC detection part, and bit synchronization part are periodically inserted in the recorded data...
|
|
|
7620116 |
Technique for determining an optimal transition-limiting code for use in a multi-level signaling system
A technique for determining an optimal transition-limiting code for use in a multi-level signaling system is disclosed. In one particular exemplary embodiment, the technique may be realized as a...
|
|
|
7616135 |
Code generation and allocation apparatus
A method of generating and allocating codewords includes allocating one of two selectable codewords b 1 and b 2 as codeword “b” when a preceding codeword “a” and a following codeword...
|
|
|
7612697 |
Rate-28/30 DC-free RLL code
A run-length limited (RLL) encoder includes a block detection module that receives a data block that includes N portions and generates N−1 coding bits indicating whether corresponding ones of...
|
|
|
7609000 |
Variable-length compression technique for encoding or decoding a sequence of integers
A system that encodes a sequence of integers using a variable-length compression technique is described. During operation, the system scans the sequence of integers and observes the sizes of the...
|
|
|
7592933 |
Techniques for 9B10B and 7B8B coding and decoding
A technique for encoding 9-binary symbol (9B) source vectors into 10-binary symbol (10B) encoded vectors include the steps of obtaining a plurality of 9B source vectors, and encoding the 9B source...
|
|
|
7590929 |
Record reproduction method, apparatus, and circuit for using error correcting code
A record reproduction apparatus includes an encoding unit that encodes sector data to be written into a recording medium, by dividing the data into a predetermined number of blocks, and an...
|
|
|
7580585 |
Lossless adaptive Golomb/Rice encoding and decoding of integer data using backward-adaptive rules
A method and system of lossless adaptive Golomb/Rice (G/R) encoding of integer data using a novel backward-adaptive technique having novel adaptation rules. The adaptive G/R encoder and decoder...
|
|
|
7567191 |
Encoding method and encoder for generating balanced code or constant weighted code
A method of designing a look-up table of a finite-state encoder, applied to a finite-state encoder, comprises steps of: determining a bit length of a legal output codeword derived from the...
|
|
|
7561162 |
Computer graphics data coding apparatus, decoding apparatus, coding method and decoding method
Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding...
|
|
|
7552380 |
Method and apparatus for encoding and decoding modulation code
A method and an apparatus for encoding and decoding a modulation code are provided. The method includes: adding an error detection bit(s) to source information; performing k-constraint coding by...
|
|
|
7548175 |
Encoding apparatus, decoding apparatus, encoding method, computer readable medium storing program thereof, and computer data signal
This invention provides an encoding apparatus including a group generating unit that puts plural information values to be compressed together and generates a group of information values to be...
|
|
|
7535384 |
Encoding apparatus, decoding apparatus, encoding method, decoding method, and information recording and playback apparatus
There is provided an apparatus which obtains a circumstance where LDPC codes are interleaved without damaging modulation rules and thereby a correction ability of LDPC encoding and decoding method...
|
|
|
RE40710 |
Data converter for performing exponentiation in polynomial residue class ring with value in finite field as coefficient
A data converter ( 1 ) capable of reducing a size of the total implementation in a device is a processing apparatus that performs secret converting processing predetermined to input data with 64...
|
|
|
7519119 |
Method and apparatus of converting a series of data words into a modulated signal
The present invention relates to method and apparatus of converting a series of data words into modulated signals. This method divides a data word, which a sync signal is to be added in front or...
|
|
|
7518534 |
8-bit to 10-bit encoding method and apparatus
Methods and systems for generating 10-bit control codes for use in 8-bit to 10-bit encoding are disclosed. Such control codes can have low subblock disparity (where subblocks include 6-bit and...
|
|
|
7515761 |
Encoding device and method
It is an object of the present invention to provide an encoding device and an encoding method that allow even faster speeds to be achieved by reducing the waiting time during which variable-length...
|
|
|
7501964 |
Entropy coding for digital codecs
A method and systems are provided for efficiently implementing content adaptive variable length coding on a modern processor. Some embodiments comprise encoding a non-zero coefficient in an array...
|
|
|
7486209 |
Demodulation table, demodulating device and demodulating method, program, and recording medium
A demodulation table for converting variable length code (d, k; m, n; r) is provided. The variable length code has a maximum constraint length r>1, has a minimum run of d (d>0), has a maximum...
|
|
|
7486208 |
High-rate RLL encoding
An unencoded m-bit data input sequence is divided into a block of n bits and a block of m−n bits. The block of n bits is divided into a first set of n+1 encoded bits, wherein at least one of P 1 ...
|
|
|
7477169 |
Robust control/delineation in serial streams
Control symbols taking the form {k1-k2-k2-k1} are inserted in a serial stream including m bit data words. k1 and k2 are each predefined m bit control words differing from the m bit data words. The...
|
|
|
7477168 |
Apparatus for and method of processing data
A data processing apparatus for processing a plurality of input signals to increase the number of bits thereof to disperse 0s and 1s therein and then converting the input signals into a serial...
|
|
|
7471217 |
9-bit to10-bit encoder and decoder
The field of the invention is that of serial digital data transmissions. Such digital data is, in particular, of video type. In certain types of transmission, the links used cannot pass direct...
|
|
|
7469011 |
Escape mode code resizing for fields and slices
Techniques and tools for escape mode code resizing are described. For example, a video decoder receives encoded information (e.g., runs, levels) for transform coefficients of blocks. For at least...
|
|
|
7466246 |
Modulation apparatus/method, demodulation apparatus/method and program presenting medium
A DSV control bit determining/inserting unit 11 inserts DSV control bits for execution of DSV control into an input data string and outputs the data string including the DSV control bits to a...
|
|
|
7450035 |
Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method
In a data demodulating method and apparatus, and a code arranging method, a multiplexer multiplexes an input data stream divided by a predetermined length into a plurality of types of pseudo-random...
|
|
|
7439882 |
Optimized decompression using annotated back buffer
A system and method for decompression optimization employing a data input and a dedicated back buffer and data parser. The system and method also relate to accelerating the parsing process during...
|
|
|
7436332 |
Runlength encoding of leading ones and zeros
A method and an encoder ( 1001 ) are disclosed for encoding an input bitstream derived from a block of coefficients relating to video data. Leading zeros and tailing zeros are determined and...
|
|
|
7436331 |
Rate-28/30 DC-free RLL code
A run-length limited (RLL) encoder includes a problematic-block detection module that receives a data block and that generates coding bits that indicate whether at least one of N portions of the...
|
|
|
7432834 |
RLL encoding for LTO-5 tape
Method and apparatus are provided for encoding and decoding rate-(s(K+1)/s(K+1)+1) TCMTR(j,k,t,a) codes, where s is the ECC symbol size in bits and K is the number of unencoded symbols that are...
|
|
|
7429937 |
Method for constructing RLL codes of arbitrary rate
The claimed embodiments provide methods, apparatuses and systems directed to run-length limited (RLL) coding of data. In one implementation, concatenatable RLL codes with run lengths of zeroes not...
|
|
|
7425907 |
Rate-7/8 direct-current free and runlength limited code
A run-length limited (RLL) DC-free encoder includes a determination module that receives input words and that determines whether each input word is a member of one of a first input set and a second...
|
|
|
7425906 |
Method of code generation, and method and apparatus for code modulation
A method of generating codewords that conform to a run length limited (RLL) constraint represented by (d, k, a, b), where d is a minimum run length of a codeword, k is a maximum run length of the...
|
|
|
7423561 |
Modulation methods and systems
A modulation method for symbols in a frame of a compact disc includes the steps of receiving a plurality of data words, modulating each data word into a code word of a corresponding data symbol,...
|
|
|
7414551 |
Encoding and decoding methods and apparatuses for recording system
A method and apparatus for encoding and decoding data for a recording system. The method of encoding data involves encoding input data into a predetermined code and precoding the predetermined code...
|
|
|
7397398 |
Modulation bit added to worst case codeword
A data word is error correction encoded to provide a worst case codeword without bit transitions between worst case codeword bits. A modulation bit is calculated as a function of the worst case...
|
|
|
7397397 |
Method and system for breaking repetitive patterns to reduce transmission errors
A method and a system for communicating data in a communication channel are provided. The method includes the identification of a sequence of bits recurring in the data, and generating a locking...
|
|
|
7388523 |
MTR encoding method, MTR decoding method, MTR encoder, MTR decoder, and magnetic recording device
An MTR encoder includes convolution units that perform convolution of input data using additional bits, MTR encoding units that MTR-encode data obtained by the convolution units, RDS calculating...
|
|
|
7385534 |
Methods and apparatus for processing variable length coded data
An apparatus for processing variable length coded data includes a coefficient buffer unit and several lookup tables. The coefficient buffer unit includes a coefficient memory and an index register...
|
|
|
7379502 |
Method of converting digital data
Disclosed is a method of digital data conversion. The method includes binding input digital data into unit blocks constituted by a plurality of bytes, modulation-coding each byte of the input data...
|
|
|
7378994 |
EFM/EFM+ encoder and method thereof
An EFM/EFM+ encoder and a method thereof, performing digital sum value (DSV) protection in an Eight-to-Fourteen/Eight-to-Fourteen Plus (EFM/EFM+) encoding system to generate a data frame to be...
|
|
|
7375661 |
Image coding apparatus, variable-length coding apparatus, control apparatus and method therof
A variable-length coding apparatus having a smaller circuit scale, which flexibly handles identifier insertion processing in correspondence with various coding schemes, and which performs fine code...
|
|
|
7372377 |
Method and apparatus for position identification in runlength compression data
A position in runlength compression data corresponding to a desired position in original data can be found fast. Index correspondence information is generated for representing correspondence...
|
|
|
7372376 |
System of converting information words to a signal
A method of converting m-bit information words to a run-length constrained modulated signal includes converting the information words into n-bit code words. The available code words are distributed...
|
|
|
7365656 |
Data identification method and apparatus
Disclosed herein is a data identification method for identifying, from within a readout signal from a recording medium on or in which user data of k bits are recorded using a recording modulation...
|
|
|
7355532 |
voltage level coding system and method
We describe a voltage level coding system and method. The voltage level coding system includes a level encoder having an input to receive data segments coded using a first code and an output to...
|
|
|
7352302 |
Code generation and allocation method
A method of generating and allocating codewords includes allocating one of two selectable codewords b 1 and b 2 as codeword “b” when a preceding codeword “a” and a following codeword...
|
|
|
7348900 |
Method and apparatus for encoding/decoding in fixed length
A modulation method for a first data string having a plurality of symbols is disclosed. The method includes: appending a data string to the first data string to form a second data string; and...
|
|
|
7339500 |
Encoding method and decoding method
The present invention allows two different block codes to be encoded by one-type of encoding section. A first-point-fixed encoding section divides m-bit data into a first-half code and a...
|
|
|
7336207 |
Modulation table, modulating apparatus and method, program, and recording medium
A modulation table for converting data with a basic data length of m bits into a variable length code (d,k;m,n;r) is provided. The modulation table includes a basic table for converting data...
|