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. 13, 1999
Filed:
Feb. 21, 1997
Applicant:
Inventors:
Paul Anthony Frindle, Witney, GB;
Peter Charles Eastty, Oxford, GB;
Assignees:
Sony Corporation, Tokyo, JP;
Sony United Kingdom Limited, Weybridge, GB;
Primary Examiner:
Int. Cl.
CPC ...
H03G / ;
U.S. Cl.
CPC ...
381106 ; 333 14 ;
Abstract
Digital audio processing apparatus for applying a time-varying gain to an input digital audio signal over contiguous first, second and third time periods, in which: the applied gain changes at no more than a first maximum rate of change during the first time period; the applied gain changes at no more than a second maximum rate of change during the third time period; and during the second time period the rate of change of the applied gain varies monotonically from a substantially zero rate of change towards the second maximum rate of change.