| Patent No. | Patent Title: |
| 5111530 | Digital audio signal generating apparatus |
| 5047952 | Communication system for deaf, deaf-blind, or non-vocal individua... |
| 5014318 | Apparatus for checking audio signal processing systems |
| 4903301 | Method and system for transmitting variable rate speech signal |
| 4890252 | Long period pseudo random number sequence generator |
| 4887225 | Method and device for controlling exposure beams |
| 4771390 | Motor vehicle speech processor method and apparatus |
| 4747143 | Speech enhancement system having dynamic gain control |
| 4720802 | Noise compensation arrangement |
| 4720861 | Digital speech coding circuit |
| 4718093 | Speech recognition method including biased principal components |
| 4718088 | Speech recognition training method |
| 4718094 | Speech recognition system |
| 4718092 | Speech recognition activation and deactivation method |
| 4716593 | Identity verification system |
| 4716591 | Speech synthesis method and device |
| 4715004 | Pattern recognition system |
| 4713778 | Speech recognition method |
| 4713777 | Speech recognition method having noise immunity |
| 4712242 | Speaker-independent word recognizer |
| 4710959 | Voice encoder and synthesizer |
| 4709390 | Speech message code modifying arrangement |
| 4709340 | Digital speech synthesizer |
| 4707794 | Playback operation circuit in synthetic-speech calculator |
| 4707857 | Voice command recognition system having compact significant featu... |
| 4706288 | Speech synthesizer output device |
| 4706293 | Circuitry for characterizing speech for tamper protected recordin... |
| 4704730 | Multi-state speech encoder and decoder |
| 4704696 | Method and apparatus for voice control of a computer |
| 4703505 | Speech data encoding scheme |
| 4701953 | Signal compression system |
| 4701862 | Audio output device with speech synthesis technique |
| 4701954 | Multipulse LPC speech processing arrangement |
| 4700393 | Speech synthesizer with variable speed of speech |
| 4700390 | Signal synthesizer |
| 4700322 | General technique to add multi-lingual speech to videotex systems... |
| 4700394 | Method of recognizing speech pauses |
| 4700391 | Method and apparatus for pitch controlled voice signal processing |
| 4700392 | Speech signal detector having adaptive threshold values |
| 4698776 | Recording/reproducing apparatus |