|
Match
|
Document |
Document Title |
|
|
7148820 |
Variable-length encoded data decoding apparatus and decoding method
A variable-length encoded data decoding apparatus comprises: a common bit pattern length storing unit storing the bit lengths of common bit patterns that respectively correspond to groups, when...
|
|
|
7145484 |
Digital signal processing method, processor thereof, program thereof, and recording medium containing the program
A sample sequence ΔS similar to a first or last sample sequence of the current frame is extracted from its samples S FC and concatenated, as an alternative sample sequence AS, to each of the...
|
|
|
7145486 |
Circuits and methods for exchanging data through a serial port and systems using the same
A method of exchanging data through a serial port includes transmitting data as an output stream of frames defined by edges of a frame clock signal, a first data bit of a current frame transmitted...
|
|
|
7142135 |
Modulation methods and systems
In a high-density optical storage system, data words are modulated into code words in a manner of minimizing the fluctuation of the digital sum value (DSV). A cumulative DSV is calculated for each...
|
|
|
7138930 |
Multiple byte data path encoding/decoding device and method
Systems and methods for performing encoding and/or decoding can include an input data path that receives multiple input data values having an order (significance) with respect to one another. Each...
|
|
|
7140037 |
Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method
A signal ( 801 ) of a first code string made through replacing a part of a code string of a predetermined format with dummy data is sent to code string rewriting means ( 1802 ) via code string...
|
|
|
7132967 |
Modulation system
A 6-bit output code word is generated in response to every 4-bit input code word by referring to a set of encoding tables. The encoding tables contain output code words assigned to input code...
|
|
|
7132962 |
Methods and apparatuses for character conversion control
An embodiment of the present invention describes a method for controlling character set conversion. A request for data from a first computing system using a first character set is received by a...
|
|
|
7129864 |
Fast compact decoder for huffman codes
A method may include performing an N bit-at-a-time matching operation for a first N bits in an encoded input stream of bits using a lookup table. The matching operation may obtain a first address...
|
|
|
7129859 |
Method and apparatus for minimizing threshold variation from body charge in silicon-on-insulator circuitry
Circuitry used to de-skew data channels coupling parallel data signals over a communication link employs SOI circuitry that is subject to generating pulse distortion due to the history effect...
|
|
|
7126503 |
Digital sampling frequency converter
The present invention relates to a converter converting an input digital signal into an output digital signal. Said converter comprises in particular a set of shift registers able to contain...
|
|
|
7126500 |
Method and system for selecting grammar symbols for variable length data compressors
A data compression method and system replaces pairs of symbols in a string of symbols by a single new symbol. A method for selecting the pairs of symbols to be replaced employs a modified greedy...
|
|
|
7126501 |
Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them
Digital signal samples X in a floating-point format, each of which is composed of 1 bit of sign, 8 bits of exponent E and 23 bits of mantissa M, are converted through rounding by an integer...
|
|
|
7123171 |
RFID readers and RFID tags communicating using extensible bit vectors
RFID system components, such as readers and tags, communicate by transmitting and receiving a wave that conveys a bit stream. Informing signals, such as special bits, are inserted in the stream...
|
|
|
7123174 |
Image compression and decompression using adaptive run length encoding
A compressor can compress an image by reducing the amount of data while preserving the information. Some compressors use run length coding wherein image data is converted into a series of run...
|
|
|
7119720 |
Precision pulse placement to form a binary pulse signal
The present invention relates to a method for pulse placement to form a binary pulse signal, said binary pulse signal having a constant pulse rate being reciprocal of a constant pulse rate period,...
|
|
|
7119721 |
Converting information words into different length code words depending on a property of a code signal
The invention relates to a method of converting a stream of databits of a binary information signal into a stream of databits of a constrained binary channel signal. This stream of databits of the...
|
|
|
7116249 |
Content-based segmentation scheme for data compression in storage and transmission including hierarchical segment representation
In a coding system, input data within a system is encoded. The input data might include sequences of symbols that repeat in the input data or occur in other input data encoded in the system. The...
|
|
|
7114093 |
Generic architecture and system for a programmable serial port having a shift register and state machine therein
A high-speed programmable serial port having a finite state machine, a clock generator capable of controlling shifting of bits from a shift register and a shift register having a bit counter...
|
|
|
7113113 |
Reproduction apparatus
A reproduction apparatus includes a reproduction unit that reproduces plurality of information data encoded using mutually different encoding systems from a recording medium, a program storage unit...
|
|
|
7113560 |
Serial link scheme based on delay lock loop
A method and circuit to produce an optimal sampling phase for recovery of a digital signal is achieved. A digital signal is over-sampled by sampling on each phase of a multiple phase clock to...
|
|
|
7102544 |
Method and system for improving memory interface data integrity in PLDs
An integrated circuit (IC) for optimizing data presentation to an external memory interface bus is provided. The IC is in communication with the external memory via the external memory interface...
|
|
|
7102552 |
Data compression with edit-in-place capability for compressed data
A method for encoding an input file into an output file that is compressed so that the number of bits required to represent the output file is less than the number of bits of the input file. The...
|
|
|
7091889 |
Speed and memory optimized interleaving
This invention relates to a method for interleaving, according to an interleaving scheme, an input sequence comprising K bits into an interleaved sequence, comprising the steps of (a) storing the...
|
|
|
7088271 |
Method and apparatus for binarization and arithmetic coding of a data value
Binarization a data value comprises binarizing the minimum of the data value and a predetermined cut-off value in accordance with a first binarization scheme, in order to yield a primary prefix. If...
|
|
|
7088804 |
Systems and methods for information exchange and synchronization using DTMF over telephone communication channels
Systems, methods, protocols and apparatus for information exchange and synchronization using DTMF signaling over telephone communication channels are provided. Information is packetized and...
|
|
|
7088270 |
Low power, DC-balanced serial link
A receiver for a data communication system which comprises a transmission line between first and second integrated circuits. An encoder on the first integrated circuit encodes an input data stream...
|
|
|
7081839 |
Method and apparatus for compressing an input string to provide an equivalent decompressed output string
A method and apparatus are disclosed that compress an input string to an equivalent word relative to a noncommutation graph. The disclosed compression system compresses an input string in a manner...
|
|
|
7079050 |
Arithmetic decoding of an arithmetically encoded information signal
In order to improve an arithmetic decoder, the method of arithmetically decoding an arithmetically-encoded information signal into an information signal including a serial sequence of n-bit symbols...
|
|
|
7079051 |
In-place differential compression
To enhance the distribution or backup of data similar to previously distributed or backed up data, to provide similarity testing, and other benefits, a first body of data T of size n is compressed...
|
|
|
7075460 |
Methods for scaling encoded data without requiring knowledge of the encoding scheme
Methods for scaling (e.g., transcoding) data are described. A sequence of encoded data is accessed. The encoded data are organized according to an encoding scheme that was used to encode the data....
|
|
|
7071846 |
Analog decoding method and decoder
An analog decoder includes a controller and an analog decoder core. The analog decoder core has an input of an input length that is less than a code length of the code data. If only a single analog...
|
|
|
7071847 |
Encoding method of recording media
An encoding method of recording media is used to speed up the encoding procedure in a recording media. Different conditions of states and paths set in advance during the encoding procedure to...
|
|
|
7071848 |
Hardware-friendly general purpose data compression/decompression algorithm
Methods and systems are provided for dynamically compressing and decompressing a data stream in a manner that facilitates hardware implementation. In one aspect, a compression system identifies...
|
|
|
7072971 |
Scheduling of multiple files for serving on a server
Multiple files a served using a server coupled to a data network. A plurality of files is determined, wherein a file includes an integer number of blocks, and wherein each block includes at least...
|
|
|
7065491 |
Inverse-modified discrete cosine transform and overlap-add method and hardware structure for MPEG layer3 audio signal decoding
An inverse-modified discrete cosine transform and overlap-add method, and hardware structure for MPEG Layer3 audio signal decoding. In order to have the MPEG Layer3 audio signal decoder have more...
|
|
|
7064683 |
Speed optimized encoder with running disparity constraint
An encoder apparatus is provided, which includes an upper encoder and first and second lower encoders. The upper encoder has an upper encoded output and a corresponding upper running disparity. The...
|
|
|
7061406 |
Low power, DC-balanced serial link transmitter
A transmitter for a data communication system that comprises a transmission line between first and second integrated circuits. An encoder on the first integrated circuit encodes an input data...
|
|
|
7061405 |
Device and method for interfacing video devices over a fiber optic link
A system and method for interfacing video devices over a link where electronic digital video data having a quantity (n) of bits of parallel data transmitted electronically at a first clock rate (R...
|
|
|
7061408 |
Concept for a secure data communication between electronic devices
An encoder for encoding a data word with a plurality of bits, wherein the data word is transmittable in parallel on a data bus, wherein one bit line is provided for each bit and wherein each bit...
|
|
|
7061409 |
Techniques for sample rate conversion
Techniques for sample rate conversion are disclosed. In one exemplary embodiment, a sample rate conversion occurs between first samples having a sample rate defined by a first clock signal and...
|
|
|
7061407 |
Encoding of 8B10B control characters
An encoder includes a first storage array having a first set of values, a second storage array having a second set of values, and a selection circuit. Each of the first and second storage arrays...
|
|
|
7058231 |
Methods and apparatus for data compression with a hybrid context
A plurality of compression schemes are provided that achieve improved compression ratios. A first embodiment provides for compression of each pixel by one of a plurality of different entropy-based...
|
|
|
7053800 |
Apparatus and method for generating a code mask
A new output mask for a m-sequence generator is produced by modulo-2 summing a number of intermediate masks. The intermediate masks are produced by shifting a shift template by amounts...
|
|
|
7046735 |
Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes
Apparatus for modulating data having a basic data length of m bits, to a variable-length code (d, k; m, n; r) having a basic code length of n bits. A sync signal is added to a received train of...
|
|
|
7046736 |
Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes
A data-demodulating apparatus for demodulating a variable-length code (d, k; m, n; r) having a basic code length of n bits to data having a basic data length of m bits. A train of codes is...
|
|
|
7030789 |
Techniques for applying modulation constraints to data using periodically changing symbol mappings
Techniques are provided for applying modulation constraints to data by using periodically changing symbol mappings to replace certain prohibited error prone data patterns. Initially, user data in a...
|
|
|
7030786 |
RFID readers and RFID tags communicating using extensible bit vectors
RFID system components, such as readers and tags, communicate by transmitting and receiving a wave that conveys a bit stream. Informing signals, such as special bits, are inserted in the stream...
|
|
|
7030787 |
Circuit and method for use in data compression
An apparatus for performing data compression is disclosed. A circuit ( 640 ) within a comparison unit ( 400 ) of a comparison matrix ( 170 ) performs LZ1 compression of a data string by comparing...
|
|
|
7026961 |
Real time binary arithmetic encoding
An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a plurality of signals in response to one or more of a context index and a binary...
|