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:
Jul. 25, 1989
Filed:
Dec. 16, 1986
Applicant:
Inventors:
Dale E Veeneman, Southborough, MA (US);
Baruch Mazor, Newton Centre, MA (US);
Assignee:
GTE Laboratories, Incorporation, Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L / ;
U.S. Cl.
CPC ...
381 38 ; 381 36 ; 381 41 ; 381 51 ; 3645135 ;
Abstract
A comb filter minimizes framing noise resulting from block encoding of speech. The comb filter has both pitch and coefficients adapted to the speech data. Block boundaries may be centered on filter segments of a fixed duration.