Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021386 | Coding method and apparatus for multiple channels of audio information representing three-dimensional sound fields | Craig C. Todd | 2000-02-01 |
| 5909664 | Method and apparatus for encoding and decoding audio information representing three-dimensional sound fields | Craig C. Todd, Ray M. Dolby | 1999-06-01 |
| 5890125 | Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method | Matthew Conrad Fellers | 1999-03-30 |
| 5873065 | Two-stage compression and expansion of coupling processed multi-channel sound signals for transmission and recording | Kenzo Akagiri, Craig C. Todd, Ray M. Dolby | 1999-02-16 |
| 5862228 | Audio matrix encoding | — | 1999-01-19 |
| 5699484 | Method and apparatus for applying linear prediction to critical band subbands of split-band perceptual coding systems | — | 1997-12-16 |
| 5633981 | Method and apparatus for adjusting dynamic range and gain in an encoder/decoder for multidimensional sound fields | — | 1997-05-27 |
| 5632003 | Computationally efficient adaptive bit allocation for coding method and apparatus | Grant A. Davidson, Craig C. Todd, Brian David Link, Louis D. Fielder | 1997-05-20 |
| 5632005 | Encoder/decoder for multidimensional sound fields | Craig C. Todd, Ray M. Dolby | 1997-05-20 |
| 5608805 | Dynamic loader | Douglas E. Mandell, Martin J. Richards, Mark Atherton, Paul R. Goldberg | 1997-03-04 |
| 5583962 | Encoder/decoder for multidimensional sound fields | Craig C. Todd, Ray M. Dolby | 1996-12-10 |
| 5451954 | Quantization noise suppression for encoder/decoder system | Craig C. Todd, Grant A. Davidson, Stephen Decker Vernon | 1995-09-19 |
| 5402124 | Encoder and decoder with improved quantizer using reserved quantizer level for small amplitude signals | Craig C. Todd | 1995-03-28 |
| 5400433 | Decoder for variable-number of channel presentation of multidimensional sound fields | Craig C. Todd | 1995-03-21 |
| 5390256 | Dynamic loader | Douglas E. Mandell, Martin J. Richards, Mark Atherton, Paul R. Goldberg | 1995-02-14 |
| 5347564 | Automated translation input system | Paul J. Glaser, William Brandt, Rudolph Somwaru | 1994-09-13 |
| 5291557 | Adaptive rematrixing of matrixed audio signals | Stephen Decker Vernon | 1994-03-01 |
| 5274740 | Decoder for variable number of channel presentation of multidimensional sound fields | Craig C. Todd | 1993-12-28 |
| 4941177 | Variable matrix decoder | Douglas E. Mandell, Craig C. Todd, Ioan R. Allen | 1990-07-10 |
| 4799260 | Variable matrix decoder | Douglas E. Mandell, Craig C. Todd, Ioan R. Allen | 1989-01-17 |
| 4720866 | Computerized stethoscopic analysis system and method | Antonio L. Elias | 1988-01-19 |
| 4539526 | Adaptive signal weighting system | — | 1985-09-03 |
| 4503554 | Stereophonic balance control system | — | 1985-03-05 |
| 4503553 | Loudspeaker system | — | 1985-03-05 |