Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 7 - Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits
Patents for H03M 7 - Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits (33,242)
11/1999
11/03/1999EP0953966A2 Modem voice/data mode switching arrangement.
11/03/1999EP0953245A1 Encoder and decoder
11/02/1999US5978959 Method and devices for the transmission of data with transmission error checking
11/02/1999US5978950 Polynomial evaluator for use in a reed-solomon decoder
11/02/1999US5978885 Method and apparatus for self-timing associative data memory
11/02/1999US5978795 Temporally ordered binary search method and system
11/02/1999US5978762 Digitally encoded machine readable storage media using adaptive bit allocation in frequency, time and over multiple channels
11/02/1999US5978760 Method and system for improved discontinuous speech transmission
11/02/1999US5978758 Vector quantizer with first quantization using input and base vectors and second quantization using input vector and first quantization output
11/02/1999US5978515 Image encoder and image decoder
11/02/1999US5978513 Picture encoding method and apparatus and picture decoding method and apparatus
11/02/1999US5978508 Two-dimensional inverse discrete cosine transformation circuit for MPEG2 video decoder
11/02/1999US5978098 Image compression method
11/02/1999US5978033 Motion picture encoder
11/02/1999US5978029 Real-time encoding of video sequence employing two encoders and statistical analysis
11/02/1999US5977899 Digital-to-analog converter using noise-shaped segmentation
11/02/1999US5977890 Method and apparatus for data compression utilizing efficient pattern discovery
11/02/1999US5977889 Optimization of data representations for transmission of storage using differences from reference data
11/02/1999CA2156889C Method and apparatus for encoding and decoding data
10/1999
10/29/1999CA2233777A1 Method and device for adaptive differential pulse code modulation
10/28/1999WO1999055093A1 Data compressing device and method, data expanding device and method, data compressing/expanding system and method, code book making method, and vector quantizing device and method
10/28/1999WO1999055075A1 Method for compressing image data for bicolor images
10/28/1999WO1999055007A1 Method and apparatus for making code book, vector quantizing device, device and method for data compression, device and method for data decompression, system for data compression/decompression
10/28/1999DE19818438A1 Telephone system with digital transmission path and analogue subscriber lines
10/28/1999DE19817720A1 Method of digital image data compression for two-colour images enables two-colour image compression without errors and combination with transformation coding for compression of multicolor images
10/27/1999EP0952572A2 Vector quantization apparatus and vector quantization method
10/27/1999EP0951754A2 Universally programmable variable length decoder
10/27/1999EP0951753A1 Computer sorting system for data compression
10/27/1999EP0697124B1 Vector coding process, especially for voice signals
10/27/1999CN1233025A Audio signal processor
10/26/1999US5974471 Computer system having distributed compression and decompression logic for compressed data movement
10/26/1999US5974464 System for high speed serial video signal transmission using DC-balanced coding
10/26/1999US5974380 Multi-channel audio decoder
10/26/1999US5974379 Methods and apparatus for gain controlling waveform elements ahead of an attack portion and waveform elements of a release portion
10/26/1999US5974378 Multi-stage vector quantization with efficient codebook search
10/26/1999US5974375 Coding device and decoding device of speech signal, coding method and decoding method
10/26/1999US5974374 Voice coding/decoding system including short and long term predictive filters for outputting a predetermined signal as a voice signal in a silence period
10/26/1999US5974183 Method for video compression using temporal weighting
10/26/1999US5974179 Binary image data compression and decompression
10/26/1999US5973950 Hierarchy priority encoder for an associative memory having an intermediate level multiplexer circuit
10/26/1999US5973754 Method for computer-supported motion estimation for picture elements of chronologically following images of a video sequence
10/26/1999US5973630 Data compression for use with a communications channel
10/26/1999US5973629 Differential PCM system with frame word length responsive to magnitude
10/26/1999US5973627 Variable length decoder with adaptive acceleration optimized by sub-grouping and cross-grouping the symbols having the highest probability of occurrence
10/26/1999US5973626 Byte-based prefix encoding
10/22/1999CA2261826A1 Digital modulation system using modified orthogonal codes to reduce autocorrelation
10/21/1999WO1999053677A2 Lossless encoding/decoding in a transmission system
10/21/1999WO1999053623A1 Method and apparatus for quantizing a signal in a digital system
10/21/1999WO1999053399A1 Methods and apparatus for performing fast floating point operations
10/21/1999WO1999046914A3 Communication device and method of operation
10/21/1999WO1999046764A3 Speech coding
10/21/1999WO1999041736A3 A system and method for providing split vector quantization data coding
10/20/1999EP0749626B1 Speech coding method using linear prediction and algebraic code excitation
10/20/1999CN1232322A Data conversion method and apparatus and signal recording and reproduction apparatus utilizing same
10/19/1999US5970443 Audio encoding and decoding system realizing vector quantization using code book in communication system
10/19/1999US5970442 Gain quantization in analysis-by-synthesis linear predicted speech coding using linear intercodebook logarithmic gain prediction
10/19/1999US5970177 Data compression using selective encoding
10/19/1999US5970172 Hadamard transform coding/decoding device for image signals
10/19/1999US5969650 Variable length coder with a small table size
10/19/1999US5969649 Run length limited encoding/decoding with robust resync
10/19/1999US5969647 Method of compressing letters in a caller identification code system
10/19/1999US5968149 Tandem operation of input/output data compression modules
10/14/1999WO1999052067A2 Apparatus and method of splicing digital video streams
10/14/1999WO1999006941A3 Apparatus and methods for image and signal processing
10/14/1999DE19911470A1 Coding and decoding of a sequence of digital data words
10/14/1999CA2296592A1 Apparatus and method of splicing digital video streams
10/13/1999EP0949823A1 Synchronization arrangement for a compressed video signal
10/13/1999EP0949820A2 Data stream converting apparatus
10/13/1999EP0949799A2 Apparatus and method for using two-dimensional data compression over an air interface
10/13/1999EP0949589A2 Data compression by use of prime exponents
10/13/1999EP0948846A1 Method and means for handling information
10/13/1999EP0948845A1 Method and means for handling information
10/13/1999EP0638218B1 Methods for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed
10/13/1999CN1045704C Method for processing digital auxiliary signal
10/12/1999US5966709 Method of optimizing an N-gram memory structure
10/12/1999US5966470 Coding apparatus for image compression
10/12/1999US5966467 System for compressing and decompressing binary representations of dithered images
10/12/1999US5966465 Compression/decompression using reversible embedded wavelets
10/12/1999US5966183 Signal converter and signal conversion method
10/12/1999US5966085 Methods and apparatus for performing fast floating point operations
10/12/1999US5964842 Method and apparatus for scaling data compression based on system capacity
10/12/1999CA2167327C Voice signal transmission system using spectral parameter and voice parameter encoding apparatus and decoding apparatus used for the voice signal transmission system
10/12/1999CA2147394C Quantization of input vectors with and without rearrangement of vector elements of a candidate vector
10/12/1999CA2137418C Multipulse processing with freedom given to multipulse positions of a speech signal
10/07/1999WO1999050983A1 Detection of code vectors in single frequency, multiple transmitter networks
10/07/1999CA2326453A1 Detection of code vectors in single frequency, multiple transmitter networks
10/06/1999EP0948212A2 Method and apparatus for encoding orthogonal transform coefficients
10/06/1999EP0948206A2 Characterising compressed bitstreams
10/06/1999EP0947105A1 Formatting of recompressed data in an mpeg decoder
10/06/1999EP0947104A1 Selective compression network in an mpeg compatible decoder
10/06/1999EP0947103A1 Parallel decoding of interleaved data streams within an mpeg decoder
10/06/1999EP0947102A1 Memory efficient compression apparatus and quantizer in an image processing system
10/06/1999EP0947101A1 Improved estimator for recovering high frequency components from compressed image data
10/06/1999EP0947092A1 Memory architecture for a multiple format video signal processor
10/06/1999EP0947051A2 Controller for a variable length decoder
10/06/1999CN1231100A Image encoder and image encoding method, image decoder and image decoding method, and image processor and image processing method
10/06/1999CN1230854A 图象信号编码方法及装置 Picture signal coding method and apparatus
10/06/1999CN1230823A Method for fractal coding of video of audio signals
10/05/1999US5963716 Bi-directional data stream decompression
10/05/1999US5963160 Analog to digital conversion using nonuniform sample rates
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