Electrical audio signal processing systems and devices – Including amplitude or volume control – With amplitude compression/expansion
Reexamination Certificate
2003-04-24
2009-06-23
Chin, Vivian (Department: 2614)
Electrical audio signal processing systems and devices
Including amplitude or volume control
With amplitude compression/expansion
C381S080000, C381S104000, C381S109000
Reexamination Certificate
active
07551745
ABSTRACT:
A single control determines both volume and the degree of compression in the reproduction of motion picture soundtracks. For some settings of the control, compression or limiting reduces the highest levels on a movie soundtrack, leaving the dialogue level substantially unchanged, thus removing the reason for complaints from the audience without the danger of making the dialogue too quiet for intelligibility.
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Dressler Roger Wallace
Gundry Kenneth James
Iles John
Chin Vivian
Dolby Laboratories Licensing Corporation
Gallagher Thomas A.
Suthers Douglas J
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