| Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274) |
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| 04/10/2002 | CN1344072A Transfer system adopting different coding principle |
| 04/10/2002 | CN1344067A Transfer system adopting different coding principle |
| 04/09/2002 | US6370507 Frequency-domain scalable coding without upsampling filters |
| 04/09/2002 | US6369728 Method and system for real-time processing of the recorded PCM data to get the desired full-scale range of values |
| 04/04/2002 | WO2002027949A2 Methods of providing signal parameter information using delta-modulation and related systems and terminals |
| 04/04/2002 | WO2002001246A3 Method, system and apparatus for calibrating a pulse position modulation (ppm) decoder to a ppm signal |
| 04/04/2002 | US20020039449 Image compression apparatus |
| 04/04/2002 | US20020039356 Hand-off processing apparatus and method for telecommunication system |
| 04/03/2002 | EP1193980A1 Synchronous control method |
| 04/03/2002 | EP1193881A2 Automatic retransmission ARQ for turbo-coded data |
| 04/02/2002 | US6366624 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation |
| 03/28/2002 | US20020036980 Interleaver and deinterleaver for use in a diversity transmission communication system |
| 03/28/2002 | DE10043449A1 Networks for connection of interfaces to a transmission line esp. for PCM-systems, has center tapping of symmetry coils connected to transmission line |
| 03/27/2002 | EP1190522A1 Automatic gain control for improved decoding of multi-carrier signal |
| 03/27/2002 | EP1190515A1 Method and system for adaptive voice buffering |
| 03/27/2002 | EP1190495A1 Coded domain echo control |
| 03/27/2002 | EP1190494A1 Coded domain adaptive level control of compressed speech |
| 03/27/2002 | EP1190416A1 Error correction method with pitch change detection |
| 03/21/2002 | US20020035713 Information coding method and devices utilizing error correction and error detection |
| 03/21/2002 | US20020034225 Coding of a data stream |
| 03/19/2002 | US6360200 Process for reducing redundancy during the coding of multichannel signals and device for decoding redundancy-reduced multichannel signals |
| 03/14/2002 | WO2002021526A1 Audio signal processing with adaptive noise-shaping modulation |
| 03/14/2002 | WO2002021525A1 Audio signal compression |
| 03/13/2002 | EP1187339A1 Interleave address generator |
| 03/13/2002 | EP1186100A2 Generating coefficients for a prediction filter in an encoder |
| 03/13/2002 | EP0738441B1 Encoding and decoding of a wideband digital information signal |
| 03/13/2002 | CN1080960C Perameter sampling apparatus |
| 03/12/2002 | US6356593 Data optimized codec |
| 03/12/2002 | US6356528 Interleaver and deinterleaver for use in a diversity transmission communication system |
| 03/07/2002 | US20020027956 Communication system and method for transmitting signal in the same |
| 03/06/2002 | CN1339200A Communication protocol between a communication device and an external accessory |
| 03/06/2002 | CN1080495C Information data transmission through transmission channel as they are or with redundancy bits of a predetermined length added to each datum |
| 03/06/2002 | CN1080490C Complexity determining apparatus |
| 03/05/2002 | USRE37569 High-speed modem synchronized to a remote codec |
| 03/05/2002 | CA2340610C Encoder/decoder |
| 03/05/2002 | CA2332407C Method for defining coding information |
| 03/01/2002 | CA2762238A1 Adaptive time diversity and spatial diversity for ofdm |
| 02/28/2002 | WO2002017318A1 Method and apparatus for reducing the word length of a digital input signal and method and apparatus for recovering the digital input signal |
| 02/28/2002 | WO2002017300A1 Frequency thinning apparatus for thinning out frequency components of signal and frequency thinning apparatus |
| 02/28/2002 | US20020025004 Method and apparatus for reducing the word length of a digital input signal and method and apparatus for recovering a digital input signal |
| 02/27/2002 | CN1080036C Transmission system implementing different coding principles |
| 02/27/2002 | CN1080035C Modulation-demodulation signal transmitter, transmitting method and its transmitting system |
| 02/20/2002 | CN1337125A Method for implementing multipoint codes in an exchange |
| 02/20/2002 | CN1079613C Noise suppression apparatus and method |
| 02/19/2002 | CA2233146C Audio encoding apparatus and audio decoding apparatus |
| 02/14/2002 | US20020019960 Device for improving voice signal in quality |
| 02/14/2002 | US20020017949 Apparatus and method for determining a pulse position for a signal encoded by a pulse modulation |
| 02/13/2002 | EP1029264B1 Remote control system which minimizes screen refresh time by selecting compression algorithm |
| 02/13/2002 | CN1336045A Demultiplexer for channel interleaving |
| 02/13/2002 | CN1335979A Transmission system with improved encoder and decoder |
| 02/13/2002 | CN1335708A Leading background signal for communication system |
| 02/06/2002 | EP1177700A1 Method of profiling disparate communications and signal processing standards and services |
| 02/06/2002 | CN1078990C Transmission system with reconstruction of missing signal samples |
| 02/05/2002 | US6345248 Low bit-rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization |
| 02/05/2002 | CA2108663C Filtering method and device for reducing digital audio signal pre-echoes |
| 01/31/2002 | WO2002009380A2 Data transmission using pulse with modulation |
| 01/31/2002 | WO2002009091A1 Frequency thinning device and method for compressing information by thinning out frequency components of signal |
| 01/30/2002 | EP1176743A2 Methods for non-linearly quantizing and dequantizing an information signal |
| 01/30/2002 | EP1176728A1 Method and apparatus for decoding |
| 01/30/2002 | EP1175670A1 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding |
| 01/30/2002 | CN1333969A Systems and methods for receiving modulated signal containing encoded and unencoded bits using multi-pass demodulation |
| 01/30/2002 | CN1333605A Telecommunication system and method for transmitting signal in the same |
| 01/29/2002 | US6343101 Frame-based sign inversion method and system for spectral shaping for pulse-coded-modulation modems |
| 01/24/2002 | WO2002007326A1 Coding of a data stream |
| 01/24/2002 | WO2002007322A2 Coding a data stream |
| 01/24/2002 | WO2002007061A2 A speech communication system and method for handling lost frames |
| 01/24/2002 | US20020010942 Application of digital processing scheme for enhanced cable television network performance |
| 01/23/2002 | EP1175103A1 Recording and reproducing an MPEG information signal on/from a record carrier |
| 01/23/2002 | CN1332533A Apparatus and method for determining pulse position by signal of pulse modulation code |
| 01/22/2002 | US6341165 Coding and decoding of audio signals by using intensity stereo and prediction processes |
| 01/16/2002 | EP1172959A2 Hybrid automatic repeat-request system and method |
| 01/10/2002 | US20020003788 Code division multiple access mobile communication system |
| 01/10/2002 | US20020003773 OFDM transmission device and OFDM transmission method |
| 01/09/2002 | EP1169790A1 Interleaver and deinterleaver for use in a diversity transmission communication system |
| 01/03/2002 | WO2002001246A2 Method, system and apparatus for calibrating a pulse position modulation (ppm) decoder to a ppm signal |
| 01/03/2002 | US20020002412 Digital audio system |
| 01/02/2002 | EP1168651A2 Optimising audio coding through re-encoding |
| 01/01/2002 | CA2059141C Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio |
| 12/27/2001 | US20010056556 Channel check test system |
| 12/27/2001 | US20010055287 Communication system and device under OFDM system |
| 12/27/2001 | US20010055271 Reception apparatus |
| 12/26/2001 | CN1328732A Reduced complexity and increased flexibility modified fast convolution algorithm |
| 12/26/2001 | CN1328684A Periodicity enhancement in decoding wideband signals |
| 12/26/2001 | CN1328683A High frequency content recovering methd and device for over-sampled synthesized wideband signal |
| 12/26/2001 | CN1328682A Perceptual weighting device and method for efficient coding of wideband signals |
| 12/26/2001 | CN1328681A Method and device for adaptive bandwidth pitch search in coding wideband signals |
| 12/26/2001 | CN1076908C Device for transmission of data signals |
| 12/20/2001 | WO2001097212A1 Frequency interpolating device and frequency interpolating method |
| 12/20/2001 | US20010053189 Receiver for digital broadcasting |
| 12/20/2001 | US20010053173 Method and arrangement for implementing intra-frame interleaving |
| 12/20/2001 | US20010052864 Method of interleaving with redundancy, and A/D converter, D/A converter and track-hold circuit using such method |
| 12/20/2001 | DE10120792A1 Interleave method for analog-to-digital converters, involves obtaining operating frequency of each A/D converter circuit based on number of converter circuits and preset operating frequency of each converter circuit |
| 12/19/2001 | CN1327590A Transmission of a digital information signal having M bit PCM samples |
| 12/19/2001 | CN1327306A Toubo decoding method with error information recording and feedback |
| 12/18/2001 | CA2239129C Data transmission system, receiver, and recording medium |
| 12/12/2001 | EP1161798A1 Translation table design for a pcm modem |
| 12/12/2001 | EP1108288A4 Method of encoding bits in a signal |
| 12/12/2001 | EP1023730B1 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
| 12/12/2001 | EP1023729B1 Frame-based audio coding with video/audio data synchronization by audio sample rate conversion |
| 12/12/2001 | EP1023728B1 Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment |