| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
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| 11/21/1995 | US5469474 Quantization bit number allocation by first selecting a subband signal having a maximum of signal to mask ratios in an input signal |
| 11/14/1995 | US5467372 Multi channel ADPCM compression and expansion device |
| 11/14/1995 | US5467371 Arrangement for generating pulse code modulation values |
| 11/09/1995 | WO1995030282A1 Bad frame detection |
| 11/09/1995 | CA2188122A1 Bad frame detection |
| 11/08/1995 | EP0681379A1 Method and device for calculating the quality of transmission media containing codecs |
| 11/08/1995 | CN1111421A Method and apparatus for moise burst detection in a signal processor |
| 11/07/1995 | US5465316 Method and device for coding and decoding speech signals using inverse quantization |
| 11/02/1995 | WO1995029541A1 Complexity determining apparatus |
| 11/02/1995 | WO1995029540A1 Parameter sampling apparatus |
| 11/02/1995 | EP0680169A2 Recovering analog and digital signals from superimposed analog and digital signals using linear prediction |
| 11/01/1995 | CN1111048A Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit |
| 10/31/1995 | US5463714 Sound data interpolating circuit |
| 10/25/1995 | EP0678226A1 Transmission and reception of a first and a second main signal component |
| 10/25/1995 | EP0394493B1 Audio signal demodulation circuit |
| 10/25/1995 | CN1110891A A speech decoding method and a speech decoder |
| 10/24/1995 | US5461643 Direct phase digitizing apparatus and method |
| 10/24/1995 | CA1337438C Digital signal transmission/reception using differential polarization modulation/demodulation |
| 10/19/1995 | WO1995027978A2 Recording and reproducing an mpeg information signal on/from a record carrier |
| 10/19/1995 | WO1995027977A2 Method of transmitting timing-critical data via an asynchronous channel |
| 10/18/1995 | EP0677931A2 Moise shaping of differntially encoded and compressed audiosignals |
| 10/11/1995 | CN1110070A Discriminating between stationary and non-stationary signals |
| 10/11/1995 | CN1110031A Transmission system with reconstruction of missing signal samples |
| 10/05/1995 | DE4410952A1 Speech information transmission esp. between mobile radio subscribers |
| 10/05/1995 | DE3990151C1 Audio signal processor input-output characteristic parameter measurer |
| 10/03/1995 | US5455841 Variable bit rate bandwidth compression transmission through a network having cell loss probability |
| 09/28/1995 | WO1995026083A1 Process for coding a plurality of audio signals |
| 09/27/1995 | EP0673576A1 Apparatus for and method of speech digitizing |
| 09/27/1995 | EP0673566A1 Transmission system implementing different coding principles |
| 09/27/1995 | CN1109264A Transmission system comprising at least a coder |
| 09/27/1995 | CN1109263A Transmission system comprising at least a coder |
| 09/27/1995 | CN1109230A Process and device for the transmission of data signals |
| 09/27/1995 | CN1029902C Transmission system and receiver to be used in transmission system |
| 09/26/1995 | US5454012 Digital signal transmission device for improvement of anti-multipath feature, a method of the same and digital signal transmission waveform |
| 09/26/1995 | US5453985 Digital bit oriented switch, general digital switch and PCM transmission system |
| 09/21/1995 | DE4409368A1 Verfahren zum Codieren mehrerer Audiosignale A method for encoding a plurality of audio signals |
| 09/20/1995 | EP0673167A2 Signal encoding and decoding system allowing adding of signals in a form of frequency sample sequence upon decoding |
| 09/20/1995 | EP0673113A1 System for characterization of signal sources |
| 09/20/1995 | EP0673015A2 Computational complexity reduction during frame erasure or packet loss |
| 09/19/1995 | US5452324 Packet data recovery system |
| 09/13/1995 | EP0671834A1 Waveshaper and line driver for vehicle communications system |
| 09/13/1995 | EP0671737A2 Method and apparatus of reproducing digital data |
| 09/12/1995 | US5450444 For generating an amplitude modulation wave by converting a audio signal |
| 09/12/1995 | US5450395 Code position modulation system and method for multiple user satellite communications |
| 09/12/1995 | US5450081 Audio signal reproduction apparatus with frequency response dependent upon error rates |
| 09/12/1995 | US5450028 Discrete-time signal processing system |
| 09/06/1995 | EP0670089A1 Transcoding and transdecoding unit, and method for adjusting the output thereof |
| 09/06/1995 | EP0663093A4 Improved preprocessing and postprocessing for vector quantization. |
| 09/05/1995 | CA2025455C Speech coding system with generation of linear predictive coding parameters and control codes from a digital speech signal |
| 08/31/1995 | WO1995023461A1 Method and apparatus for optical wireless communication |
| 08/30/1995 | EP0669740A2 Modem adapted to digital subscriber lines |
| 08/30/1995 | EP0669026A1 Method and apparatus for detecting bad frames of information in a communication system |
| 08/29/1995 | US5446757 Code-division-multiple-access-system based on M-ary pulse-position modulated direct-sequence |
| 08/24/1995 | WO1995022859A1 A high-data-rate wireless local-area network |
| 08/24/1995 | WO1995022858A1 Process for the cascade coding and decoding of audio data |
| 08/22/1995 | US5444741 Filtering method and device for reducing digital audio signal pre-echoes |
| 08/16/1995 | EP0667063A1 Process for transmitting and/or storing digital signals from several channels. |
| 08/15/1995 | US5442353 Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same |
| 08/09/1995 | EP0666673A2 Cordless telephone controller with external data processing |
| 08/09/1995 | EP0287578B1 Digital coding process |
| 08/08/1995 | US5440596 Transmitter, receiver and record carrier in a digital transmission system |
| 08/02/1995 | EP0665693A2 Dynamic bit rate control method for very low bit rate video and associated audio coding |
| 08/02/1995 | EP0665661A2 Digital signal processing apparatus and method and dither signal generating apparatus |
| 07/26/1995 | EP0664620A2 Method and device for speech transmission in a radio system |
| 07/26/1995 | EP0664536A1 Speech code processing |
| 07/25/1995 | US5436933 Idle channel noise reduction in a line card having a DSP equalizer |
| 07/19/1995 | EP0663776A2 Method for communicating block coded digital data with associated synchronization/control data |
| 07/19/1995 | EP0663762A2 Quantising and dequantising circuit with reduced size |
| 07/19/1995 | EP0663740A2 Apparatus for adaptively encoding input digital audio signals from a plurality of channels |
| 07/19/1995 | EP0663739A1 Digital signal encoding device, its decoding device, and its recording medium |
| 07/19/1995 | EP0663093A1 Improved preprocessing and postprocessing for vector quantization |
| 07/18/1995 | US5434947 Method for generating a spectral noise weighting filter for use in a speech coder |
| 07/13/1995 | WO1995019072A1 Efficient transcoding device and method |
| 07/12/1995 | EP0662682A2 Speech signal coding |
| 07/11/1995 | US5432513 Codec |
| 07/06/1995 | WO1995018494A1 Data frame format for variable size data constellations |
| 07/05/1995 | EP0661821A1 Encoding and decoding apparatus causing no deterioration of sound quality even when sinewave signal is encoded |
| 07/05/1995 | EP0661819A2 Data compression |
| 07/05/1995 | EP0661689A2 Noise reducing method, noise reducing apparatus and telephone set |
| 07/04/1995 | US5430767 Method and apparatus for deinterleaving digital transmission data |
| 07/04/1995 | US5430766 Burst mode digital data receiver |
| 07/04/1995 | US5430492 Method of transmitting digital HDTV signals |
| 06/28/1995 | EP0660558A2 Interleaving method and apparatus for digital data transmission in GSM-networks |
| 06/28/1995 | EP0660540A2 Decoder for decoding an encoded digital signal and a receiver comprising the decoder |
| 06/28/1995 | EP0660532A2 Device and method for digitally shaping the quantization noise of an n-bit digital signal, such as for digital-to-analog conversion |
| 06/28/1995 | EP0660527A1 Data converter with gain scaling including dither |
| 06/28/1995 | EP0660222A1 Data converter with fifo |
| 06/28/1995 | EP0413707B1 Time domain radio transmission system |
| 06/22/1995 | WO1995017049A1 Method of mitigating the effects of clipping or quantization in the d/a converter of the transmit path of an echo canceller |
| 06/21/1995 | EP0659019A2 Method of and system for enhancing distorted graphical information |
| 06/21/1995 | EP0659002A1 Method and circuit for the transmission of voice signals |
| 06/21/1995 | EP0658984A2 Perceptual audio coding allocating non-used bits to data channel |
| 06/21/1995 | EP0658878A2 System for transmitting a speech signal |
| 06/21/1995 | EP0658263A1 Improved vector quantization |
| 06/21/1995 | EP0608281B1 Process for reducing frequency crosstalk during acoustic or optical signal transmission and/or recording |
| 06/21/1995 | CN1104010A Method for generating a spectral noise weighting filter for use in a speech coder |
| 06/16/1995 | CA2135415A1 Device and method for efficient utilization of allocated transmission medium bandwidth |
| 06/15/1995 | WO1995016333A1 Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals, and recording medium for compressed multi-channel sound signals |
| 06/15/1995 | WO1995016315A1 Soft error correction in a tdma radio system |
| 06/15/1995 | CA2154253A1 Soft error correction in a tdma radio system |