| Patent Number |
Title Of Patent |
Date Issued |
| 5802181 |
Theater sound system with upper surround channels |
September 1, 1998 |
| An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encoded along with the left and right |
| 5748746 |
Ceiling speaker and signal source |
May 5, 1998 |
| A system for controlling distribution of sound in a multi-channel sound system such as a "surround sound" system in a movie theater. Control signals are used to steer, or distribute, portions of the sound signal between designated speakers. In a preferred embodiment the control signals |
| 5717765 |
Theater sound system with upper surround channels |
February 10, 1998 |
| An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encoded along with the left and right |
| 5677753 |
Digital sound recording on motion picture film |
October 14, 1997 |
| A motion picture film capable of reproducing the sound field full of ambience in the reproducing system. The digital sound tracks 5L and 5R, on which digital audio data have been recorded, are recorded so that temporally same digital audio signals are recorded with a spatial shift by |
| 5677752 |
Digital sound recording on motion picture film |
October 14, 1997 |
| A motion picture film capable of reproducing the sound field full of ambience in the reproducing system. The digital sound tracks 5L and 5R, on which digital audio data have been recorded, are recorded so that temporally same digital audio signals are recorded with a spatial shift by |
| 5617158 |
Digital sound recording on motion picture film |
April 1, 1997 |
| A motion picture film capable of reproducing the sound field full of ambience in the reproducing system. The digital sound tracks 5L and 5R, on which digital audio data have been recorded, are recorded so that temporally same digital audio signals are recorded with a spatial shift by |
| 5602923 |
Theater sound system with upper surround channels |
February 11, 1997 |
| An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encoded along with the left and right |
