DocumentCode
2680350
Title
The filter in the DAC of audio processing
Author
Song Yu ; Lihua
Author_Institution
Comput. Sci. & Eng. Inst., Changchun Univ. of Technol., Changchun, China
Volume
5
fYear
2010
fDate
24-26 Aug. 2010
Firstpage
53
Lastpage
55
Abstract
This paper designs a kind of filters used in audio processing of the DAC. Through the study of FIR filter parameters, this paper completed the over-sampling of the audio filter, so that over-sampling rate achieves 128 times. It also use the analysis tools in MATLAB fdatool to design filter. From the simulation waveform of it, the noise of signal ratio is achieved more than 100dB, and it can better suppress pass-band noise.
Keywords
FIR filters; audio signal processing; interference suppression; DAC; FIR filter; MATLAB fdatool; audio processing; over-sampling; pass-band noise suppression; Attenuation; Clocks; Conductors; MATLAB; Σ-ΔDAC; MATLAB; audio signal; interpolated filter;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010 International Conference on
Conference_Location
Changchun
Print_ISBN
978-1-4244-7957-3
Type
conf
DOI
10.1109/CMCE.2010.5610059
Filename
5610059
Link To Document