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Browsing by Author "Lin, Chou-Kun"

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    Low-Power ANSI S1.11 Filter Bank for Digital Hearing Aids
    (2008)
    Kuo, Yu-Ting
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    Lin, Tay-Jyi
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    Li, Yueh-Tai
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    Lin, Chou-Kun
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    Liu, Chih-Wei
    This paper presents a low-power filter bank design for digital hearing aids, which is compliant with the ANSI S1.11 standard. A multi-rate filtering algorithm and its coefficient design method are proposed, which reduce 94% multiplications. The power dissipation is further reduced by 31% and 35% with switch activity reduction and multi-VDD silicon implementation respectively. The design has been implemented using the TSMC 0.13 mu m CMOS technology and consumes only 79 mu W for 24KHz 18-band audio processing.
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    Ultra Low-Power ANSI S1.11 Filter Bank for Digital Hearing Aids
    (2009)
    Kuo, Yu-Ting
    ;
    Lin, Tay-Jyi
    ;
    Li, Yueh-Tai
    ;
    Lin, Chou-Kun
    ;
    Liu, Chih-Wei
    This paper presents an ANSI S1.11-compliant filter bank for digital hearing aids, of which the power consumption is minimized through algorithmic, numerical and architectural optimizations. This filter bank has been implemented and fabricated using the TSMC 0.13 mu m CMOS technology. The transistor-level simulations show that the power dissipation is only 79 mu W for 24KHz & 18-band audio processing.