Title: Design of ANSI S1.11 filter bank for digital hearing aids
Authors: Kuo, Yu-Ting
Lin, Tay-Jyi
Li, Yueh-Tai
Chang, Wei-Han
Liu, Chih-Wei
Young, Shuenn-Tsong
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
Issue Date: 2007
Abstract: Existing digital hearing aids, to our knowledge, all exclude ANSI S1.11-compliant filter banks because of the high computational complexity. Most ANSI S1.11 designs are IIR-based and only applicable in applications where linear phase is not important. This paper presents an FIR-based ANSI S1.11 filter bank for digital hearing aids, which adopts a multi-rate architecture to reduce the data rates on the bandwidth-limited bands. A systematic way is also proposed to minimize the FIR orders thereof In an 18-band digital hearing aid with 24 kHz input sampling rate, the proposed design with linear phase has comparable computational complexity with IIR filter banks. Moreover, our design requires only 4% multiplications and additions of a straightforward FIR implementation.
URI: http://hdl.handle.net/11536/10256
http://dx.doi.org/10.1109/ICECS.2007.4510975
ISBN: 978-1-4244-1377-5
DOI: 10.1109/ICECS.2007.4510975
Journal: 2007 14TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS, VOLS 1-4
Begin Page: 242
End Page: 245
Appears in Collections:Conferences Paper


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