Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 14 - Transmission systems not characterised by the medium used for transmission
Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274)
09/2000
09/13/2000EP1035695A2 Multiresolution transmission, particularly for multicarrier systems
09/13/2000EP1035694A2 Multiresolution transmission system
09/13/2000EP1035693A2 Multiresolution transmission, in particular for multicarrier systems
09/13/2000EP1035538A2 Multimode quantizing of the prediction residual in a speech coder
09/13/2000EP0758502B1 Bad frame detection
09/12/2000US6118818 Method for decoding MPEG standard video bit stream
09/12/2000US6118813 Technique for effectively treating robbed bit signaling in data communcations
09/05/2000US6115415 Mapper for high data rate signalling
09/05/2000US6115411 System and method for spread spectrum code position modulation and wireless local area network employing the same
09/05/2000CA2256875C System and method for communicating digitally-encoded acoustic information across a network between computers
09/05/2000CA2196837C Voice encoding/decoding apparatus
08/2000
08/30/2000EP0830755B1 Fast locking mechanism for channelized ultrawide-band communications
08/29/2000US6111863 Method and apparatus for the dynamic allocation of signal bandwidth between audio, video and data signals
08/23/2000EP1030488A2 Coherent detection system for multicarrier signals
08/23/2000EP1029264A1 Remote control system which minimizes screen refresh time by selecting compression algorithm
08/23/2000CN1264509A Adaptive channel encoding method and device
08/22/2000US6108808 Apparatus and method for decoding received signals and localization of errors therein by comparison with aberrant data values
08/22/2000US6108626 Object oriented audio coding
08/22/2000US6108621 Speech analysis method and speech encoding method and apparatus
08/22/2000US6107948 Analog isolation system with digital communication across a capacitive barrier
08/22/2000CA2177422C Voice/unvoiced classification of speech for use in speech decoding during frame erasures
08/17/2000WO2000048170A1 Celp transcoding
08/17/2000DE10004886A1 Receiver for modulated wave, carrying data with number of multiplexed intermediate carriers, with high precision for adaptive phase synchronisation
08/16/2000EP1028555A2 Error detection encoder with unequal error protection
08/16/2000EP1028411A2 Coding apparatus
08/16/2000EP0920732A4 Method and apparatus for communicating information
08/16/2000CN1263659A Modulating method, modulating device, demodulating method, and demodulating device
08/16/2000CN1263650A Channel encoding device and method for communication system
08/15/2000US6104993 Apparatus and method for rate determination in a communication system
08/15/2000US6104991 Speech encoding and decoding system which modifies encoding and decoding characteristics based on an audio signal
08/10/2000WO2000046932A1 Communication protocol between a communication device and an external accessory
08/10/2000WO2000046922A1 Frequency offset differential pulse position modulation
08/10/2000DE19860531C1 Verfahren zur Übertragung codierter digitaler Signale Method for transmitting coded digital signals
08/09/2000EP1025646A2 Methods and devices for encoding audio signals and methods and devices for decoding a bit stream
08/09/2000CN1262797A Communications system
08/08/2000US6101475 Method for the cascaded coding and decoding of audio data
08/08/2000US6101466 Method and system for improved discontinuous speech transmission
08/08/2000US6101464 Coding and decoding system for speech and musical sound
08/03/2000WO2000045534A1 Constellation design for a pcm modem
08/03/2000WO2000045533A1 Robbed bit signaling identification in a pcm modem
08/03/2000WO2000045525A1 DISTINGUISHING RECEIVED A-LAW AND ν-LAW SIGNALS IN A PCM MODEM
08/03/2000WO2000045524A1 Translation table design for a pcm modem
08/03/2000CA2360780A1 Constellation design for a pcm modem
08/03/2000CA2360777A1 Distinguishing received a-law and .mu.-law signals in a pcm modem
08/03/2000CA2360774A1 Translation table design for a pcm modem
08/02/2000EP1023809A1 Frame-based audio coding with gain-control words
08/02/2000EP1023792A1 Method and apparatus for maintaining a predefined transmission quality in a wireless man network
08/02/2000EP1023730A1 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
08/02/2000EP1023729A1 Frame-based audio coding with video/audio data synchronization by audio sample rate conversion
08/02/2000EP1023728A1 Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment
08/01/2000CA2166138C A celp-type speech encoder having an improved long-term predictor
07/2000
07/27/2000DE19901204A1 Verfahren zur Realisierung von Mehrfach-Punktcodes in einer Vermittlungsstelle A process for the realization of multiple point codes in a switching center
07/26/2000EP1021876A1 Signal processing method and device
07/25/2000US6094458 Arrangements and methods for generating a radio frequency signal
07/25/2000CA2201217C Method and apparatus for coding signal while adaptively allocating number of pulses
07/20/2000WO2000042781A1 Method for implementing multipoint codes in an exchange
07/20/2000DE19900324C1 Verfahren zur Datenübertragung Method for data transmission
07/19/2000EP0988663A4 Communications system
07/18/2000US6092230 Method and apparatus for detecting bad frames of information in a communication system
07/13/2000WO2000041347A1 Method and apparatus for interleaving in a communication system
07/13/2000WO2000041315A1 Method for transmitting source encoded digital signals
07/12/2000EP1018827A1 Synchronisation structure for OFDM system
07/12/2000EP1018826A2 Multicarrier transmission over power lines
07/12/2000EP1018221A2 Method and circuit layout for the transmission of messages
07/11/2000US6088667 LSP prediction coding utilizing a determined best prediction matrix based upon past frame information
07/11/2000US6088601 Sound encoder/decoder circuit and mobile communication device using same
07/04/2000US6084915 Signaling method having mixed-base shell map indices
06/2000
06/28/2000CN1258153A Synchronous data transmitting protocol through high-voltage interface
06/27/2000US6081556 Transparent technique for Mu-law modems to detect an all-digital circuit connection
06/27/2000US6081526 Apparatus and methods for transmitting an MPEG information signal, and a method for reproducing that signal
06/27/2000CA2183282C Signal restoration using left-sided and right-sided autoregressive parameters
06/21/2000EP1010317A1 Apparatus and method for supporting analog fax calls in a tandem configuration
06/21/2000EP1010278A1 Method and system for controlling speech encoding in a communication system
06/21/2000EP1010248A2 Audio frequency ripple control transmitter with a pulsed a.c. rectifier provided with a capacitive accumulator
06/21/2000EP0748542B1 Method and apparatus for optical wireless communication
06/21/2000CN1053781C Method, system and apparatus for speech signal transmission
06/20/2000US6078620 Method and apparatus for performing adaptive differential pulse code modulation
06/15/2000WO2000035161A1 Channel check test system
06/15/2000WO2000035122A1 Demultiplexer for channel interleaving
06/15/2000CA2319466A1 Channel check test system
06/14/2000EP1008244A1 Method and system for controlling an encoding rate in a variable rate communication system
06/13/2000US6075812 High-data-rate wireless local-area network
06/08/2000WO2000033527A1 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
06/07/2000EP1005724A1 Post-compression hidden data transport for video
06/07/2000CN2382102Y Speech enhancing device
06/07/2000CN1256037A Signal processing method and device
06/02/2000WO2000031981A1 Extraction of foreground information for stereoscopic video coding
06/02/2000WO2000031719A2 Speech coding with comfort noise variability feature for increased fidelity
05/2000
05/31/2000EP1005022A1 Speech encoding method and speech encoding system
05/31/2000EP1004077A1 System and method for communicating digitally-encoded acoustic information across a network between computers
05/30/2000US6069921 System and method for reducing quantization noise
05/30/2000US6069920 Method and arrangement for transmitting voice in a radio system
05/25/2000WO2000030101A1 Embedding and extracting supplemental data in an information signal
05/24/2000EP1003170A1 Data detecting apparatus using sample interpolation and method therefor
05/24/2000CN1254433A A high resolution post processing method for speech decoder
05/24/2000CN1254157A Data detection device using sample interpolation and its method
05/23/2000CA2184938C Code division multiple access mobile communication system
05/23/2000CA2159557C Coding apparatus having adaptive coding at different bit rates and pitch emphasis
05/18/2000WO2000028761A1 Method and arrangement for optimal scheduling of slotted-mode related measurements in a cellular radio system
05/18/2000WO2000028688A1 Transmitting/receiving device and transmitting/receiving method
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