| Patents for G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (18,985) |
|---|
| 02/06/2003 | US20030027600 Microphone antenna array using voice activity detection |
| 02/06/2003 | US20030026442 Subband acoustic feedback cancellation in hearing aids |
| 02/06/2003 | CA2455059A1 Speech bandwidth extension apparatus and speech bandwidth extension method |
| 02/05/2003 | EP1281981A2 Directional audio recording system with indication of recording zone and/or perturbation source |
| 02/05/2003 | EP0750831A4 Frequency transpositional hearing aid with digital and single sideband modulation |
| 02/04/2003 | US6516299 Method, system and product for modifying the dynamic range of encoded audio signals |
| 01/30/2003 | US20030023447 Voice responsive audio system |
| 01/30/2003 | US20030023433 Audio signal processing for speech communication |
| 01/30/2003 | US20030023430 Speech processing device and speech processing method |
| 01/30/2003 | US20030023429 Digital signal processing techniques for improving audio clarity and intelligibility |
| 01/30/2003 | US20030021426 Base station, drive through system comprising the same, base station method, and drive through method |
| 01/30/2003 | US20030021187 Amplitude temporal order dependent adaptive processor |
| 01/30/2003 | US20030020549 Audio clock restoring apparatus and audio clock restoring method |
| 01/29/2003 | EP1280358A2 Audio clock restoring apparatus and audio clock restoring method |
| 01/29/2003 | EP1279166A1 Robust parameters for noisy speech recognition |
| 01/29/2003 | EP1279163A1 Speech presence measurement detection techniques |
| 01/29/2003 | EP1076895B1 A system and method to improve the quality of coded speech coexisting with background noise |
| 01/29/2003 | CN1393849A Speech playing method for electronic device |
| 01/29/2003 | CN1393848A Device for operating sound equipment of car with speech response |
| 01/29/2003 | CN1100305C Speech control command generator in noiseful environment |
| 01/28/2003 | CA2242610C Sound reproducing speed converter |
| 01/23/2003 | WO2003007490A1 Noise cancellor |
| 01/23/2003 | WO2003007480A1 Audio signal decoding device and audio signal encoding device |
| 01/23/2003 | US20030018479 Electronic appliance capable of preventing malfunction in speech recognition and improving the speech recognition rate |
| 01/23/2003 | US20030018471 Mel-frequency domain based audible noise filter and method |
| 01/22/2003 | EP1278185A2 Method for improving noise reduction in speech transmission |
| 01/22/2003 | EP1278183A1 Voice operated electronic appliance |
| 01/22/2003 | EP1277372A1 Reception system for multisensor antenna |
| 01/22/2003 | EP1277203A1 System and method for distributed noise suppression |
| 01/22/2003 | EP1277202A1 Relative noise ratio weighting techniques for adaptive noise cancellation |
| 01/22/2003 | EP1080465B1 Signal noise reduction by spectral substraction using linear convolution and causal filtering |
| 01/22/2003 | CN1393104A Signal transmitter and signal receiver |
| 01/22/2003 | CN1392687A Noise silencing method and device |
| 01/21/2003 | US6510408 Method of noise reduction in speech signals and an apparatus for performing the method |
| 01/21/2003 | US6510224 Enhancement of near-end voice signals in an echo suppression system |
| 01/16/2003 | US20030014253 Application of speed reading techiques in text-to-speech generation |
| 01/16/2003 | US20030014248 Method and system for enhancing speech in a noisy environment |
| 01/16/2003 | US20030014246 Apparatus and method for voice modulation in mobile terminal |
| 01/16/2003 | US20030014245 Speech feature extraction system |
| 01/16/2003 | US20030014244 Method and system for the pre-processing and post processing of an audio signal for transmission on a highly disturbed channel |
| 01/16/2003 | US20030012221 Enhanced conversion of wideband signals to narrowband signals |
| 01/15/2003 | EP1275200A2 Method and apparatus for dynamic sound optimization |
| 01/15/2003 | EP1275109A1 Spectral enhancing method and device |
| 01/15/2003 | EP1275108A1 Communication system noise cancellation power signal calculation techniques |
| 01/15/2003 | EP0965123B1 A high resolution post processing method for a speech decoder |
| 01/15/2003 | CN1391780A Hearing aid device incorporating signal processing techniques |
| 01/15/2003 | CN1391690A System and method of templating specific human voices |
| 01/15/2003 | CN1099172C Portable radio telephone equipment and control thereof |
| 01/14/2003 | US6507820 Speech band sampling rate expansion |
| 01/14/2003 | US6507814 Pitch determination using speech classification and prior pitch estimation |
| 01/14/2003 | US6507623 Signal noise reduction by time-domain spectral subtraction |
| 01/09/2003 | WO2003003770A1 Method for transcoding audio signals, transcoder, network element, wireless communications network and communications system |
| 01/09/2003 | WO2003003600A1 Narrowband speech signal transmission system with perceptual low-frequency enhancement |
| 01/09/2003 | WO2003003350A1 Wideband signal transmission system |
| 01/09/2003 | WO2003003349A1 Method for noise reduction and microphone array for performing noise reduction |
| 01/09/2003 | WO2003003348A1 Selection of coding parameters based on spectral content of a speech signal |
| 01/09/2003 | WO2003003345A1 Device and method for interpolating frequency components of signal |
| 01/09/2003 | US20030009332 Sinusoidal model based coding of audio signals |
| 01/09/2003 | US20030009329 Directionally sensitive audio pickup system with display of pickup area and/or interference source |
| 01/09/2003 | US20030009327 Bandwidth extension of acoustic signals |
| 01/09/2003 | US20030009326 Frequency domain postfiltering for quality enhancement of coded speech |
| 01/08/2003 | EP1273005A1 Wideband speech codec using different sampling rates |
| 01/08/2003 | EP1272919A1 Method and apparatus for editing images representing ideas |
| 01/08/2003 | EP0892974B1 Method and arrangement for reconstruction of a received speech signal |
| 01/08/2003 | CN1390349A 噪声抑制 Noise suppression |
| 01/08/2003 | CN1390348A A noise suppressor |
| 01/08/2003 | CN1389854A Radio phonetic meeting device and method with bidirectional record |
| 01/08/2003 | CN1389777A 汉语输入系统 Chinese input system |
| 01/07/2003 | US6505057 Integrated vehicle voice enhancement system and hands-free cellular telephone system |
| 01/03/2003 | WO2003001173A1 A noise-stripping device |
| 01/03/2003 | WO2001073761A9 Relative noise ratio weighting techniques for adaptive noise cancellation |
| 01/02/2003 | US20030004732 Method, apparatus, and program for envelope generation, audio compression, and audio expansion |
| 01/02/2003 | US20030004715 Noise filtering utilizing non-gaussian signal statistics |
| 01/02/2003 | US20030004710 Short-term enhancement in celp speech coding |
| 01/02/2003 | US20030002859 Method and circuit for data transmission |
| 01/02/2003 | US20030002590 Noise canceling method and apparatus |
| 01/02/2003 | EP1271473A1 System and method for PRE-AND POST-PROCESSING of an audio signal for transmission over a strongly distorted channel |
| 01/02/2003 | EP1271472A2 Frequency domain postfiltering for quality enhancement of coded speech |
| 01/02/2003 | EP1269792A1 Multichannel voice recorder |
| 01/02/2003 | EP1269465A1 Character animation |
| 01/01/2003 | CN1389059A Speech qality estimation for off-line speech recognition |
| 01/01/2003 | CN1388956A Multi-device audio-video with common echo canceling |
| 01/01/2003 | CN1388518A Radio speech meeting system and method |
| 12/31/2002 | US6502067 Method and apparatus for processing noisy sound signals |
| 12/27/2002 | WO2002103999A2 Bit stream conversion system |
| 12/27/2002 | WO2002103676A1 Speech feature extraction system |
| 12/27/2002 | WO2002103484A2 Enhanced encoder for synchronizing multimedia files into an audio bit stream |
| 12/27/2002 | WO2001076319A3 Method and apparatus for voice signal extraction |
| 12/27/2002 | CA2450230A1 Speech feature extraction system |
| 12/27/2002 | CA2443626A1 Bit stream conversion system |
| 12/26/2002 | US20020198720 System and method for information access |
| 12/26/2002 | US20020198719 Reusable voiceXML dialog components, subdialogs and beans |
| 12/26/2002 | US20020198716 System and method of improved communication |
| 12/26/2002 | US20020198711 Speech feature extraction system |
| 12/26/2002 | US20020198705 Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors |
| 12/25/2002 | CN1387131A Predictive parameter analyzing device and method |
| 12/25/2002 | CN1097346C Method for blind separation of delayed and filtered sources |
| 12/22/2002 | CA2389785A1 Process and system for pre- and post-treatment of an audio signal for transmission on a channel with a high degree of interference |
| 12/19/2002 | WO2002101729A1 Noise suppressor |
| 12/19/2002 | WO2002101728A1 Method and system for suppressing echoes and noises in environments under variable acoustic and highly fedback conditions |