Patents
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)
12/1994
12/28/1994EP0630547A1 Picture data encoding method
12/28/1994EP0630544A1 Image-adaptive process for regulating the length of a quantification interval during image data reduction.
12/28/1994EP0447495B1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
12/27/1994US5377301 Technique for modifying reference vector quantized speech feature signals
12/27/1994US5376969 Method and apparatus for conveying compressed video data over a noisy communication channel
12/27/1994US5376968 Adaptive compression of digital video data using different modes such as PCM and DPCM
12/27/1994CA2002015C Perceptual coding of audio signals
12/22/1994DE4340387C1 Method for the encoded transmission of voice (speech) signals
12/21/1994EP0630158A1 Coding of analog image signals
12/21/1994EP0630131A1 Companding of voice signal for simultaneous voice and data transmission
12/21/1994EP0630116A2 Integrated high speed synchronous counter with asynchronous read-out
12/20/1994US5375249 Eight-to-fourteen-modulation circuit for a digital audio disc system
12/20/1994US5374957 Decompression method and apparatus for split level image buffer
12/20/1994US5374928 Method of processing a text in order to store the text in memory
12/20/1994US5374916 Automatic electronic data type identification process
12/15/1994CA2125509A1 Companding of voice signal for simultaneous voice and data transmission
12/14/1994EP0629090A2 A video image processing system
12/14/1994EP0629068A1 4B6B coding scheme
12/14/1994EP0629067A1 4B6B Coding
12/14/1994EP0629066A1 Checksum arrangement
12/14/1994EP0629050A2 High-throughput variable length decoder and apparatus comprising such decoder
12/14/1994EP0628232A1 Fractal coding of data
12/14/1994EP0628228A1 Data compression using hashing
12/14/1994CN1096392A Modulating method, demodulating method, modulating apparatus, and demodulating apparatus
12/13/1994US5373290 Apparatus and method for managing multiple dictionaries in content addressable memory based data compression
12/13/1994CA2025336C Cell transfer apparatus and method using a variable rate codec
12/13/1994CA1333500C Method and apparatus for efficiently encoding and decoding image sequences
12/07/1994EP0627858A2 Apparatus for further compressing and recording encoded digital video data streams
12/07/1994EP0627141A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels
12/06/1994US5371547 Apparatus for excising (and reinserting) specific data from a compressed video data stream to reduce its transmission bandwidth
12/06/1994US5371544 Geometric vector quantization
12/06/1994US5371499 Data compression using hashing
12/06/1994CA1333420C Vector quantizer
12/01/1994DE4343211A1 Adaptives Bildkompressionsverfahren und adaptive Bildkompressionsvorrichtung An adaptive image compression method and adaptive image compression device
11/1994
11/30/1994EP0626790A1 Segmentation-based JPEG image artifacts reduction
11/29/1994US5369405 Coefficient generation apparatus for variable length decoder
11/24/1994WO1994027374A1 Method and apparatus for efficient compression of data having redundant characteristics
11/24/1994WO1994027286A1 Process for vector quantization, especially of voice signals
11/24/1994WO1994027285A1 Vector coding process, especially for voice signals
11/23/1994EP0625854A1 Image coding and decoding system
11/23/1994EP0625828A2 Modulating method and apparatus, and demodulating apparatus
11/22/1994US5367629 Digital video compression system utilizing vector adaptive transform
11/22/1994US5367336 Truncation error correction for predictive coding/encoding
11/22/1994US5367299 Method for 5-bit chunk encoding of bit serial data by a data processor handling data in 8-bit byte segments
11/17/1994EP0624985A1 Image coding and decoding system
11/17/1994EP0624983A2 Synchronization arrangement for a compressed video signal
11/17/1994EP0624956A2 System and method for fast Huffman decoding
11/17/1994EP0624949A1 Apparatus comprising a circuit with a transfer function which is controllable by a command signal and approximating method
11/17/1994EP0624291A1 Error protection in a subband coder.
11/15/1994US5365465 Floating point to logarithm converter
11/15/1994US5365272 Method for formatting compressed video data into transport cells
11/14/1994CA2123435A1 System and method for fast huffman decoding
11/10/1994WO1994026069A1 Motion estimation coprocessor
11/10/1994WO1994026068A1 Differential coding and decoding method and related circuits
11/10/1994WO1994025961A1 Transmission system comprising at least a coder
11/10/1994WO1994025960A1 Transmission system comprising at least a coder
11/10/1994DE4331376C1 Method for determining the type of encoding to selected for the encoding of at least two signals
11/10/1994CA2161678A1 Differential coding and decoding method and related circuits
11/09/1994EP0624037A1 Image coding and decoding system
11/09/1994EP0624036A1 Image coding and decoding system
11/09/1994EP0624035A1 Image coding and decoding system
11/09/1994EP0624034A1 Image coding and decoding system
11/09/1994EP0624019A2 Trellis coded QAM using punctured convolutional codes
11/09/1994EP0624018A1 Rotationally invariant multilevel coded systems
11/09/1994EP0623265A1 A method and means for transmultiplexing signals between signal terminals and radio frequency channels
11/08/1994US5363219 Image processing method and apparatus
11/08/1994US5363205 Image compressing method compressing an image into a compressed image and error coefficients
11/08/1994US5363141 Method and apparatus for transmitting encoded blocks of video signals at different channel rates
11/08/1994US5363099 Method and apparatus for entropy coding
11/08/1994US5363098 Byte aligned data compression
11/08/1994US5363097 Direct sequential-bit variable length decoder
11/08/1994US5363096 Method and apparatus for encoding-decoding a digital signal
11/08/1994CA1332982C Coding of acoustic waveforms
11/02/1994EP0622906A2 Stabilization of probability estimates by conditioning on prior decisions of a given context
11/02/1994EP0622741A2 Device and method for data compression/decompression
11/02/1994EP0489785B1 Method for the recognition of the wanted signal and circuit for carrying out the method
11/02/1994EP0392517B1 Speech coding apparatus
11/02/1994EP0373175B1 Device for identification of messages
11/01/1994US5361323 Signal encoding device
11/01/1994US5361221 Residue calculation circuit
11/01/1994US5361097 Priority processing of encoded video signal including insertion of datastream null words during priority analysis intervals
10/1994
10/27/1994WO1994024809A1 Adaptive video decompression
10/27/1994WO1994024672A1 Circuit for decoding variable-length code, and system for decoding variable-length code which uses the circuit
10/27/1994CA2160562A1 Adaptive video decompression
10/26/1994EP0621724A1 Method and apparatus for encoding progressive build-up image date
10/26/1994EP0621543A2 Inverse discrete cosine transform processor
10/25/1994US5359676 Decompression of standard ADCT-compressed document images
10/25/1994CA2039038C Data compression system and method
10/19/1994EP0620687A2 Encoding method and apparatus
10/19/1994EP0620686A2 Fuzzy-controlled coding method and apparatus therefor
10/19/1994EP0620653A2 Devices for recording and/or reproducing or transmitting and/or receiving compressed data
10/19/1994CN1093843A High efficiency encoding or decoding method and device
10/18/1994US5357614 Data compression controller
10/18/1994US5357546 Multimode and multiple character string run length encoding method and apparatus
10/18/1994US5357453 Discrete cosine transform circuit
10/18/1994US5357278 In a digital video system
10/18/1994US5357250 Adaptive computation of symbol probabilities in n-ary strings
10/18/1994US5357212 Microwave amplifier
10/18/1994CA2020084C Voice coding/decoding system having selected coders and entropy coders
10/13/1994WO1994023536A1 A transcoder