Title :
Realization of 1-bit IIR filter based on delta-sigma modulation under consideration of hardware implementation
Author :
Murahashi, Yoshimitsu ; Doki, Shinji ; Okuma, Shigeru
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Nagoya Univ., Japan
Abstract :
A 1-bit signal processing based on delta-sigma modulation is described. Additionally a 1-bit IIR filter based on delta-sigma modulation is proposed and described how to realize and design. The input and output of 1-bit IIR filter is a delta-sigma modulated 1-bit signal. Proposed filter treats an output signal of delta-sigma modulator directly, therefore, compact signal processing system can be realized. As examples of 1-bit signal processing, this paper presents about two filters: Butterworth filter and graphic equalizer (GEQ). The desired frequency response can be obtained by using proposed method.
Keywords :
Butterworth filters; IIR filters; delta-sigma modulation; equalisers; frequency response; 1-bit IIR filter; Butterworth filter; GEQ; delta-sigma modulation; frequency response; graphic equalizer; signal processing system; Delta modulation; Delta-sigma modulation; Frequency response; Hardware; IIR filters; Neural networks; Nonlinear filters; Pulse modulation; Signal processing; Signal processing algorithms;
Conference_Titel :
Industrial Electronics Society, 2005. IECON 2005. 31st Annual Conference of IEEE
Print_ISBN :
0-7803-9252-3
DOI :
10.1109/IECON.2005.1568884
