Granted Patent
Utility
US 6,463,405 · App. 08/771,790
Audiophile encoding of digital audio data using 2-bit polarity/magnitude indicator and 8-bit scale factor for each subband
Inventor:
Eliot M. Case
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Dec 20, 1996
Inventor
Eliot M. Case
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.