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7619546 |
Asynchronous sample rate conversion using a digital simulation of an analog filter
The sample rate of a digital signal is converted by a digital simulation of an analog filter. The simulation can update the states of complex poles in the analog filter at arbitrary times using...
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7616138 |
Data compression using a stream selector 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...
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7616132 |
Method and system for reducing contexts for context based compression systems
For context based compression techniques, for example Context Based YK compression, a method and system for grouping contexts from a given context model together to create a new context model that...
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7613349 |
Image processing apparatus and method
An image processing method and apparatus capable of decoding and reducing image data encoded with an orthogonal transformation and a variable length decoding in high speed without degrading the...
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7612696 |
Method and system for decimating a pulse width modulated (PWM) signal
A method and system of decimating a Pulse Width Modulated (PWM) signal ( 537 ) is provided. The method includes computing one or more timestamps ( 553 ) of the PWM signal ( 537 ), the PWM signal...
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7612694 |
Efficient coding of small integer sets
Techniques for coding integer sets are described herein. According to one embodiment, for each data range of parameters to be encoded, a number of bits required to represent a maximum parameter...
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7612693 |
Difference coding adaptive context model
Techniques for improving encoding and decoding data are described herein. According to one embodiment, in response to a symbol retrieved from an input stream having a sequence of symbols, it is...
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7612692 |
Bidirectional context model for adaptive compression
Techniques for improving encoding and decoding data are described herein. According to one embodiment, in response to a symbol retrieved from an input stream having a sequence of symbols, it is...
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7609182 |
Generating dynamic huffman codes
Huffman trees may be rapidly and effectively created by sorting a plurality of nodes by weight in an insertion sorter stack, popping the two lowest weighted nodes from the insertion sorter stack,...
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7609180 |
Method and apparatus for bus encoding and decoding
A method and an apparatus for bus encoding and a method and an apparatus for bus decoding are provided. The methods and apparatuses for bus encoding/decoding use a discontinuous pattern table (DPT)...
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7609179 |
Method for compressed data with reduced dictionary sizes by coding value prefixes
The speed of dictionary based decompression is limited by the cost of accessing random values in the dictionary. If the size of the dictionary can be limited so it fits into cache, decompression is...
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7607918 |
Method and system for spatial, appearance and acoustic coding of words and sentences
A method encodes a word or words. A sequential input string of symbols representing a word or a plurality of words is parsed into segments. A graph is constructed having spatial levels, each level...
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7606430 |
Lithographic apparatus and device manufacturing method utilizing a multiple dictionary compression method for FPD
A lithographic apparatus comprises an array of individually controllable elements that modulate a beam of radiation, a compressed-pattern memory that stores a compressed representation of a...
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7605727 |
Method, medium and apparatus for quantization encoding and de-quantization decoding using trellis
Provided are a method and apparatus for quantization encoding and de-quantization decoding using a trellis. Unlike a trellis coded quantization (TCQ) index, by classifying quantization levels to...
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7605723 |
Circuits and methods for implementing mode selection in multiple-mode integrated circuits
Mode selection circuitry selects one of a plurality of operational modes supported by an integrated circuit by detecting a selected connection between a first terminal of the integrated circuit and...
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7605722 |
Lossless audio coding/decoding apparatus and method
Provided are a lossless audio coding/decoding apparatus and method. The lossless audio coding apparatus includes a first coder to directly code first symbols; a second coder module comprising a...
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7605721 |
Adaptive entropy coding compression output formats
The performance (compression ratio) of an entropy coding compressor can be improved by separating its output into two streams: encoded output symbols compressed according to a probability model,...
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7602319 |
Image decoding apparatus and decoding method
An image decoding apparatus having: a table selection controller configured to output a syntax selection signal which selects one of a prefix, a suffix, and a syntax; a variable length code...
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7602316 |
Data coding/decoding for electrical computers and digital data processing systems
Embodiments of methods, systems and/or devices for data coding are disclosed. Briefly, in accordance with one embodiment, data is coded and transmitted via an input/output portion of a computing...
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7600181 |
Circuit to reduce rail noise voltage spikes due to switching on an input-output bus
A circuit to reduce noise spikes on the power and ground rails of a chip when switching over an input-output bus, the circuit comprising an encoder to encode a word before transmission over the...
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7595743 |
System and method for reducing storage requirements for content adaptive binary arithmetic coding
A system for reducing storage requirements for content-adaptive binary arithmetic coding (CABAC) is provided. The system includes a transcode engine performing CABAC on a video data stream. The...
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7592935 |
Information retrieval architecture for packet classification
An information retrieval architecture for performing a multi-dimensional search for a lookup value associated with a set of input values, the set of input values organized into one or more fields,...
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7592931 |
Method and apparatus for coding information, method and apparatus for decoding coded information, method of fabricating a recording medium, the recording medium and modulated signal
Method of converting information words, which includes receiving m-bit information words, where m is an integer, and converting the m-bit information words into n-bit code words based on a code...
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7592930 |
Method and apparatus for reducing memory usage by encoding two values in a single field
One embodiment of the present invention provides a system that reduces memory usage by encoding two values in a single field. During operation, the system receives a string. After determining the...
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7590778 |
Using operation codes to control a decoder's use of a buffer to generate data from an input data stream into an output data stream
Provided are a method, system, and article of manufacture for using operation codes to control a decoder's use of a buffer to generate data from an input data stream into an output data stream. An...
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7589648 |
Data decompression
In one embodiment, a data decompression circuit for a data stream having a repeated data word is provided. The data stream is compressed into a series of data frames such that the repeated data...
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7589613 |
Trinary to trinary rolling code generation method and system
An all-trinary rolling code method and system which allow a barrier opener to generate and transmit trinary rolling codes without entering or storing any rolling code values as binary words...
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7586425 |
Scalable video coding and decoding
A method for coding spatial and quality enhancement information in scalable video coding using variable length codes. Conventional systems have been capable of using variable length codes only with...
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7586424 |
Data coding using an exponent and a residual
A method of coding audio and/or video data. A data symbol may be coded using an exponent and a residual, in which the exponent is coded using a variable length code, such as but not limited to a...
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7584396 |
System and method for decoding a signal using compressed sensor measurements
Described is a system and method for receiving a plurality of linear projections representing a signal and decoding the plurality of linear projections to produce a reconstruction of the signal....
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7583209 |
System and method for signaling on a bus using forbidden pattern free codes
Embodiments of our invention describe the method for producing forbidden pattern free (FPF) codewords using an encoder-decoder (CODEC). First, the method encodes a dataword to produce a FPF...
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7583208 |
Compact encoding of non-repeating sequences
Techniques for encoding and decoding non-repeating data objects are described herein. According to one embodiment, an input stream having non-repeating literals is received to be encoded into an...
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7583207 |
Logic circuit
A logic circuit that executes a prescribed arithmetic processing includes a decoder that converts one or more binary input data into a first plurality of bit data of a constant hamming weight...
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7580642 |
Modulation scheme for tedons
A system and method for increasing transmission distance and/or transmission data rates using tedons and an encoding scheme to reduce the number of ones in a data signal is described. For example,...
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7580470 |
Apparatus for recovering E8-VSB map information and method thereof
A Kerdock decoder of the present invention generates correlation reliability from a relation between correlation values to output together with a Kerdock-decoded map data. A map deciding unit...
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7573407 |
Memory efficient adaptive block coding
In general, this disclosure is directed to techniques for memory efficient and low complexity adaptive variable length coding (VLC) of data for a variety of applications, such as coding of digital...
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7565459 |
Combination I/O modules in a modular automation controller
The invention describes combination I/O modules for automation. Various combinations of inputs and output with different electrical interfaces are offered providing greater flexibility in...
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7564384 |
Binarizing method and device thereof
A binary coding and decoding method and apparatus for MVD (Motion Vector Difference) absolute values, includes: dividing symbols for MVD absolute values to be coded into a plurality of subsets...
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7564378 |
Data encoding/decoding method and related device capable of lowering signal power spectral density
A data encoding and decoding method capable of lowering signal power spectral density for a binary data transmission system is disclosed. The data encoding method includes receiving binary data,...
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7561078 |
System and method for encoding a data set
An encoding system for a data set, particularly for a video data set is disclosed in the present invention. The encoding system includes a coding strategies represented as a tree-based structure, a...
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7561074 |
Method and system for generating high definition multimedia interface (HDMI) codewords using a TMDS encoder/decoder
Systems and methods for processing information are disclosed. The method may include creating a first symbol from a codeword. One or more of a TERC4 symbol, a TMDS symbol and/or a guard band symbol...
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7557739 |
Four-to-six modulation encoder
An encoding system for a high density optical storage medium includes a conversion module that receives a data pattern and generates a code pattern based on the data pattern. A code connector...
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7557738 |
Text encoding system and method
The invention provides a method of encoding a binary data message for transmission over a data network. The method comprises allocating consecutive six bit sequences from the binary data message to...
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7554468 |
Entropy decoding methods and apparatus using most probable and least probable signal cases
Methods and apparatus for entropy decoding are disclosed. Compressed input data representing one or more signals is loaded into one or more registers. A first candidate value for a most probable...
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7551106 |
Adjusting soft values to reduce bias
A method is described for adjusting soft values in a code block prior to decoding. A count of saturated soft values in a code block is determined and one or more of the soft values in the code...
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7548174 |
System and method for equalizing transition density in an integrated circuit
A system for equalizing transition density in an integrated circuit includes a first circuit configured to transition according to a data stream; and a second circuit configured to transition at a...
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7545293 |
Memory efficient coding of variable length codes
In general, this disclosure is directed to techniques for memory efficient and low complexity adaptive variable length coding (VLC) of data for a variety of applications, such as coding of digital...
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7545291 |
FIFO radix coder for electrical computers and digital data processing systems
Embodiments described herein may include example embodiments of a method, article and/or apparatus for coding data which may be used for communicating between two or more components connected to an...
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7543079 |
Synchronization method and system for keeping track of encoding history to maintain digital system synchronization during communication over lossy transmission media
Encoded data is transmitted between synchronized sending and receiving digital systems across a lossy transmission media. The systems include respective encoder and decoder information records. If...
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7541950 |
Enhanced time-interleaved A/D conversion using compression
Compression of signal samples output from a parallel, time-interleaved analog to digital converter (TIADC) for a baseband signal, includes calculating first or higher order differences of...
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