| 9923534 | Automatic volume control for land mobile radio | Jul 31, 15 | Mar 20, 18 | E.F. JOHNSON COMPANY |
| 9893697 | System and method for selective volume adjustment in a vehicle | Jun 19, 17 | Feb 13, 18 | FORD GLOBAL TECHNOLOGIES, LLC |
| 9713728 | Variable sound system for medical devices | Oct 28, 14 | Jul 25, 17 | PHYSIO-CONTROL, INC. |
| 9683884 | Selective audio/sound aspects | Sep 22, 10 | Jun 20, 17 | THE INVENTION SCIENCE FUND I, LLC |
| 9578413 | Audio processing system and audio processing method | Jul 27, 15 | Feb 21, 17 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
| 9508344 | Automatic volume control based on speech recognition | Oct 15, 14 | Nov 29, 16 | DELPHI TECHNOLOGIES, INC. |
| 9462377 | Systems and methods for optimizing an audio communication system | Sep 23, 14 | Oct 04, 16 | CONTINENTAL AUTOMOTIVE SYSTEMS, INC. |
| 9391580 | Ambient audio injection | Dec 31, 12 | Jul 12, 16 | CELLCO PARTNERSHIP D/B/A VERIZON WIRELESS, Cellco Paternership, |
| 9197178 | Headphone with active noise cancelling and auto-calibration method thereof | Apr 08, 14 | Nov 24, 15 | C-MEDIA ELECTRONICS INC. |
| 9118292 | Bell sound outputting apparatus and method thereof | Jul 29, 11 | Aug 25, 15 | SAMSUNG ELECTRONICS CO., LTD. |
| 9105187 | Method and apparatus for providing information about the source of a sound via an audio device | Apr 29, 10 | Aug 11, 15 | GIBSON INNOVATIONS BELGIUM NV |
| 9059669 | Sound control for network-connected devices | Sep 05, 13 | Jun 16, 15 | QUALCOMM INCORPORATED |
| 8705753 | System for processing sound signals in a vehicle multimedia system | Jul 16, 08 | Apr 22, 14 | NUANCE COMMUNICATIONS, INC. |
| 5734987 | Noise-controlled communication apparatus | Mar 16, 95 | Mar 31, 98 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 5615270 | Method and apparatus for dynamic sound optimization | Jun 06, 95 | Mar 25, 97 | BOSE CORPORATION |
| 5530761 | Automatic process of adjustment of the volume of sound reproduction | Jun 24, 94 | Jun 25, 96 | Staar S.A. |
| 5450494 | Automatic volume controlling apparatus | Aug 04, 93 | Sep 12, 95 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 5444783 | Automatic sound volume control device for acoustic instruments | Jan 19, 94 | Aug 22, 95 | SAMSUNG ELECTRONICS CO., LTD. |
| 5434922 | Method and apparatus for dynamic sound optimization | Apr 08, 93 | Jul 18, 95 | BOSE CORPORATION |
| 4641937 | Self-timer device for a camera | Mar 14, 85 | Feb 10, 87 | CANON KABUSHIKI KAISHA |