| Patent No. | Patent Title: |
| 5664052 | Method and device for discriminating voiced and unvoiced sounds |
| 5642463 | Stereophonic voice recording and playback device |
| 5630013 | Method of and apparatus for performing time-scale modification of... |
| 5621855 | Subband coding of a digital signal in a stereo intensity mode |
| 5621852 | Efficient codebook structure for code excited linear prediction c... |
| 5613037 | Rejection of non-digit strings for connected digit speech recogni... |
| 5606642 | Audio decompression system employing multi-rate signal analysis |
| 5592586 | Voice compression system and method |
| 5586215 | Neural network acoustic and visual speech recognition system |
| 5586216 | Recording method and apparatus and audio data user interface |
| 5583963 | System for predictive coding/decoding of a digital speech signal ... |
| 5579434 | Speech signal bandwidth compression and expansion apparatus, and ... |
| 5577163 | System for recognizing or counting spoken itemized expressions |
| 5572623 | Method of speech detection |
| 5572593 | Method and apparatus for detecting and extending temporal gaps in... |
| 5572681 | Speech codec and a method of processing a speech signal with spee... |
| 5568588 | Multi-pulse analysis speech processing System and method |
| 5566272 | Automatic speech recognition (ASR) processing using confidence me... |
| 5563719 | Data recording/replay device and data recording medium |
| 5559926 | Speech recognition training using bio-signals |
| 5559791 | Companding of voice signal for simultaneous voice and data transm... |
| 5553194 | Code-book driven vocoder device with voice source generator |
| 5539861 | Speech recognition using bio-signals |
| 5539860 | Speech recognition using bio-signals |
| 5539858 | Voice coding communication system and apparatus |
| 5535305 | Sub-partitioned vector quantization of probability density functi... |
| 5528731 | Method of accommodating for carbon/electret telephone set variabi... |
| 5526466 | Speech recognition apparatus |
| 5524169 | Method and system for location-specific speech recognition |
| 5522011 | Speech coding apparatus and method using classification rules |
| 5522009 | Quantization process for a predictor filter for vocoder of very l... |
| 5509103 | Method of training neural networks used for speech recognition |
| 5504832 | Reduction of phase information in coding of speech |
| 5502790 | Speech recognition method and system using triphones, diphones, a... |
| 5499320 | Extended task space control for robotic manipulators |
| 5490234 | Waveform blending technique for text-to-speech system |
| 5479560 | Formant detecting device and speech processing apparatus |
| 5475789 | Method of compressing an audio signal using adaptive bit allocati... |
| 5473727 | Voice encoding method and voice decoding method |
| 5465317 | Speech recognition system with improved rejection of words and so... |
Bizarre Patents 
PatentStorm News
