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:
Feb. 22, 2000
Filed:
May. 22, 1997
Applicant:
Inventors:
Scott A Kliger, Westborough, MA (US);
Thomas M Middleton, III, Hingham, MA (US);
Gregory T White, Bedford, MA (US);
Assignee:
Narrative Communications Corporation, Waltham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G10L / ;
U.S. Cl.
CPC ...
704230 ; 704224 ;
Abstract
Quantizing optimizes compression encoding for transmission of audio data. A working set of most frequent sound levels in a sequence of audio samples is determined from a histogram. Sound levels from the working set are then substituted for original sound levels in the subject audio data. This filters the audio data by increasing redundancy and decreasing granularity/resolution.