The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2002
Filed:
Oct. 14, 1997
Applicant:
Inventors:
Ronald D. Malcolm, Jr., Austin, TX (US);
Jeff Klaas, Austin, TX (US);
Mark Gentry, Austin, TX (US);
Phillip Matthews, Austin, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 ;
U.S. Cl.
CPC ...
H04B 1/00 ;
Abstract
A single chip audio system includes a bus interface , digital to analog converters , an analog mixer , and analog spatial enhancement circuitry . Digital to analog converters convert digital audio data received through bus interface into analog signals. Analog mixer mixes signals received from digital to analog converters with an analog signal received from an external source. Analog spatial enhancement circuitry enhances first and second mixed analog signals output from analog mixer