Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596677 | Methods and apparatus for coding a speech signal using variable order filtering | Olli Ali-Yrkko | 1997-01-21 |
| 5579433 | Digital coding of speech signals using analysis filtering and synthesis filtering | — | 1996-11-26 |
| 5526366 | Speech code processing | Janne Vainio | 1996-06-11 |
| 5432884 | Method and apparatus for decoding LPC-encoded speech using a median filter modification of LPC filter factors to compensate for transmission errors | Pekka Kapanen, Yrjo Neuvo | 1995-07-11 |
| 5327519 | Pulse pattern excited linear prediction voice coder | Jari Haggvist, Kari-Pekka Estola, Jukka Ranta | 1994-07-05 |