DocumentCode
1374353
Title
Increased precision digital filter coefficients using digital dither
Author
Greenfield, R.
Author_Institution
Dept. of Electron. Syst. Eng., Essex Univ., Colchester
Volume
34
Issue
5
fYear
1998
fDate
3/5/1998 12:00:00 AM
Firstpage
444
Lastpage
446
Abstract
The DF1 (direct form 1) IIR filter structure is the most common structure employed in audio applications. The author explores the application of digital dither to increase the precision of filter coefficients allowing up to double precision performance to be achieved with single precision arithmetic. This realisation provides a versatile DF1 realisation suitable for many applications
Keywords
IIR filters; digital arithmetic; digital filters; filtering theory; DF1 realisation; IIR filter structure; audio applications; digital dither; direct form 1 filter structure; double precision performance; precision digital filter coefficients; single precision arithmetic;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19980362
Filename
674206
Link To Document