Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860355 | Method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques | — | 1989-08-22 |
| 4811398 | Method of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocation | Daniele Sereno | 1989-03-07 |
| 4791670 | Method of and device for speech signal coding and decoding by vector quantization techniques | Daniele Sereno | 1988-12-13 |
| 4558187 | Digital echo-cancellation method and circuit arrangement | Roberto Billi | 1985-12-10 |