|
| US3962543 | 15 mai 1974 | 8 juin 1976 | Eugen Beyer Elektrotechnische Fabrik | Method and arrangement for controlling acoustical output of earphones in response to rotation of listener's head |
| US4118599 | 25 févr. 1977 | 3 oct. 1978 | Victor Company of Japan, Limited | Stereophonic sound reproduction system |
| US4121059 | 12 avr. 1976 | 17 oct. 1978 | Nippon Hoso Kyokai | Sound field expanding device |
| US4136260 | 17 mai 1977 | 23 janv. 1979 | Trio Kabushiki Kaisha | Out-of-head localized sound reproduction system for headphone |
| US4139728 | 11 avr. 1977 | 13 févr. 1979 | Victor Company of Japan, Ltd. | Signal processing circuit |
| US4159397 | 5 mai 1978 | 26 juin 1979 | Victor Company of Japan, Limited | Acoustic translation of quadraphonic signals for two- and four-speaker sound reproduction |
| US4218585 | 5 avr. 1979 | 19 août 1980 | | Dimensional sound producing apparatus and method |
| US4219696 | 21 févr. 1978 | 26 août 1980 | Matsushita Electric Industrial Co., Ltd. | Sound image localization control system |
| US4309570 | 5 avr. 1979 | 5 janv. 1982 | | Dimensional sound recording and apparatus and method for producing the same |
| US4317958 | 3 janv. 1980 | 2 mars 1982 | Sony Corporation | Noise reducing circuit for CTD delay line |
| US4356349 | 12 mars 1980 | 26 oct. 1982 | Trod Nossel Recording Studios, Inc. | Acoustic image enhancing method and apparatus |
| US4524451 | 18 mars 1981 | 18 juin 1985 | Matsushita Electric Industrial Co., Ltd. | Sound reproduction system having sonic image localization networks |
| US4603429 | 6 oct. 1981 | 29 juil. 1986 | | Dimensional sound recording and apparatus and method for producing the same |
| US4910778 | 16 oct. 1987 | 20 mars 1990 | | Signal enhancement processor for stereo system |
| US4910779 | 2 nov. 1988 | 20 mars 1990 | | Head diffraction compensated stereo system with optimal equalization |
| US4975954 | 22 août 1989 | 4 déc. 1990 | | Head diffraction compensated stereo system with optimal equalization |
| US5034983 | 22 août 1989 | 23 juil. 1991 | | Head diffraction compensated stereo system |
| US5136651 | 12 juin 1991 | 4 août 1992 | | Head diffraction compensated stereo system |
| US5404406 | 30 nov. 1993 | 4 avr. 1995 | Victor Company of Japan, Ltd. | Method for controlling localization of sound image |
| US5579396 | 1 août 1994 | 26 nov. 1996 | Victor Company of Japan, Ltd. | Surround signal processing apparatus |
| US5598478 | 20 déc. 1993 | 28 janv. 1997 | Victor Company of Japan, Ltd. | Sound image localization control apparatus |
| US5666425 | 20 mars 1996 | 9 sept. 1997 | Central Research Laboratories Limited | Plural-channel sound processing |
| US5761315 | 6 août 1996 | 2 juin 1998 | Victor Company of Japan, Ltd. | Surround signal processing apparatus |
| US5812676 | 31 mai 1994 | 22 sept. 1998 | Bose Corporation | Near-field reproduction of binaurally encoded signals |
| US5862228 | 21 févr. 1997 | 19 janv. 1999 | Dolby Laboratories Licensing Corporation | Audio matrix encoding |
| US6009178 | 16 sept. 1996 | 28 déc. 1999 | Aureal Semiconductor, Inc. | Method and apparatus for crosstalk cancellation |
| US6078669 | 14 juil. 1997 | 20 juin 2000 | EuPhonics, Incorporated | Audio spatial localization apparatus and methods |
| US6111958 | 21 mars 1997 | 29 août 2000 | EuPhonics, Incorporated | Audio spatial enhancement apparatus and methods |
| US6243476 | 18 juin 1997 | 5 juin 2001 | Massachusetts Institute of Technology | Method and apparatus for producing binaural audio for a moving listener |
| US6449368 | 14 mars 1997 | 10 sept. 2002 | Dolby Laboratories Licensing Corporation | Multidirectional audio decoding |
| US6643375 | 4 nov. 1998 | 4 nov. 2003 | Central Research Laboratories Limited | Method of processing a plural channel audio signal |
| US6668061 | 18 nov. 1998 | 23 déc. 2003 | | Crosstalk canceler |
| US6839438 | 2 août 2000 | 4 janv. 2005 | Creative Technology, Ltd | Positional audio rendering |
| US6928168 | 19 janv. 2001 | 9 août 2005 | Nokia Corporation | Transparent stereo widening algorithm for loudspeakers |
| US7076068 | 25 nov. 2002 | 11 juil. 2006 | Yamaha Corporation | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method |
| US7082201 | 30 août 2002 | 25 juil. 2006 | Yamaha Corporation | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method |
| US7113609 | 4 juin 1999 | 26 sept. 2006 | Zoran Corporation | Virtual multichannel speaker system |
| US7187777 | 12 mai 1995 | 6 mars 2007 | Bose Corporation | Sound reproducing system simulating |
| US7197151 | 17 mars 1999 | 27 mars 2007 | Creative Technology Ltd | Method of improving 3D sound reproduction |
| US7263193 | 21 oct. 2003 | 28 août 2007 | | Crosstalk canceler |
| US7634092 | 14 oct. 2004 | 15 déc. 2009 | Dolby Laboratories Licensing Corporation | Head related transfer functions for panned stereo audio content |
| US7813933 | 21 nov. 2005 | 12 oct. 2010 | Bang & Olufsen A/S | Method and apparatus for multichannel upmixing and downmixing |
| US7991176 | 29 nov. 2004 | 2 août 2011 | Nokia Corporation | Stereo widening network for two loudspeakers |
| US8155323 | 6 déc. 2002 | 10 avr. 2012 | Dolby Laboratories Licensing Corporation | Method for improving spatial perception in virtual surround |
| US8170245 | 23 août 2006 | 1 mai 2012 | CSR Technology Inc. | Virtual multichannel speaker system |
| US8243967 | 14 nov. 2005 | 14 août 2012 | Nokia Corporation | Hand-held electronic device |
