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Novel Lifting Filter Bank for Bird Call Analysis

  • N. Subbulakshmi
  • R. Manimegalai
Conference paper
  • 45 Downloads

Abstract

Lifting scheme is widely used in signal processing applications due to advantages such as fast implementation, less computational complexity, and perfect reconstruction (Cohen A, Daubechies, I, Feauveau J, Commun Pure Appl Math, 1992). The proposed work discusses the design of a Novel Lifting-based Filter Bank (NLFB) for analyzing bird calls and songs. The proposed filter bank has four lifting steps such as split, predict, update, and merge that are used for perfect decomposition and reconstruction. The proposed NLFB consumes 65% less area and 17% less power when compared to interpolated filter bank.

Keywords

Signal processing Filter bank Lifting scheme Bird call analysis 

Abbreviations

CDF

COHEN-DAUBACHES-FEAUVEAU

dB

Decibels

MVFB

Modified Variable Filter Bank

NLFB

Novel Lifting-based Filter Bank

SNR

Signal to Noise Ratio

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • N. Subbulakshmi
    • 1
  • R. Manimegalai
    • 2
  1. 1.Malla Reddy Engineering College (A)HyderabadIndia
  2. 2.Department of Information TechnologyPSG College of TechnologyCoimbatoreIndia

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