| 10588700 |
Distortion suppression in electromagnetic tracking systems |
Raju Viswanathan |
2020-03-17 |
| 5848172 |
Directional microphone |
John Charles Baumhauer, Jr., James E. West |
1998-12-08 |
| 5737389 |
Technique for determining a compression ratio for use in processing audio signals within a telecommunications system |
— |
1998-04-07 |
| 5699479 |
Tonality for perceptual audio compression based on loudness uncertainty |
Sean M. Dorward, James David Johnston, Mark Sydorenko |
1997-12-16 |
| 5682463 |
Perceptual audio compression based on loudness uncertainty |
Deepen Sinha, Mark Sydorenko |
1997-10-28 |
| 5553134 |
Background noise compensation in a telephone set |
Donald Joseph Youtkus |
1996-09-03 |
| 5539806 |
Method for customer selection of telephone sound enhancement |
John C. Songrady |
1996-07-23 |
| 5526419 |
Background noise compensation in a telephone set |
Donald Joseph Youtkus |
1996-06-11 |
| 5524148 |
Background noise compensation in a telephone network |
Donald Joseph Youtkus |
1996-06-04 |
| 5485515 |
Background noise compensation in a telephone network |
Donald Joseph Youtkus |
1996-01-16 |
| 4442540 |
Data over voice transmission arrangement |
— |
1984-04-10 |
| 4417102 |
Noise and bit rate reduction arrangements |
— |
1983-11-22 |