Cited by 600Digital Filter Design and ImplementationMusic and Audio ProcessingMathematical Analysis and Transform Methods

The cepstrum: A guide to processing

Childers, D.G., Skinner, D.P., Kemerait, R.C.·1977·Proceedings of the IEEE

Abstract

This paper is a pragmatic tutorial review of the cepstrum literature focusing on data processing. The power, complex, and phase cepstra are shown to be easily related to one another. Problems associated with phase unwrapping, linear phase components, spectrum notching, aliasing, oversampling, and extending the data sequence with zeros are discussed. The advantages and disadvantages of windowing the sampled data sequence, the log spectrum, and the complex cepstrum are presented. The influence of noise upon the data processing procedures is discussed throughout the paper, but is not thoroughly analyzed. The effects of various forms of liftering the cepstrum are described. The results obtained by applying whitening and trend removal techniques to the spectrum prior to the calculation of the cepstrum are discussed. We have attempted to synthesize the results, procedures, and information peculiar to the many fields that are finding cepstrum analysis useful. In particular we discuss the interpretation and processing of data in such areas as speech, seismology, and hydroacoustics. But we must caution the reader that the paper is heavily influenced by our own experiences; specific procedures that have been found useful in one field should not be considered as totally general to other fields. It is hoped that this review will be of value to those familiar with the field and reduce the time required for those wishing to become so.

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Registry

Crossref · 10.1109/proc.1977.10747

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  • Classical signal processing methods such as cepstral analysis can attenuate some effects of reflection interference and scattering losses, but only at short ranges with a high signal-to-noise ratio.

    “Classical signal processing methods, such as cepstral analysis [13], are able to attenuate some of the effects of reflection interference and scattering losses, but only at short ranges with a high signal-to-noise ratio [25]”

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Authors
Childers, D. G., Skinner, D. P., & Kemerait, R. C.
Affiliations
University of Florida (US)
Venue
Proceedings of the IEEE
Published
1977
Volume
65
Issue
10
Pages
1428-1443
ISSN
0018-9219 (ISSN-L)
OpenAlex
W2049304293
Cited by
600
References
1
Citations by year
2026: 9 · 2025: 12 · 2024: 18 · 2023: 13 · 2022: 24 · 2021: 25 · 2020: 18 · 2019: 20 · 2018: 19 · 2017: 22 · 2016: 28 · 2015: 24 · 2014: 35 · 2013: 17 · 2012: 33
FWCI
5.66
Type
journal article
Language
en
Open access
closed
Locations
Proceedings of the IEEE (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Signal Processing › Digital Filter Design and Implementation
  • Physical Sciences › Computer Science › Signal Processing › Music and Audio Processing
  • Physical Sciences › Mathematics › Applied Mathematics › Mathematical Analysis and Transform Methods
Keywords
cepstrum, complex cepstrum, phase unwrapping, aliasing, oversampling, zero-padding, windowing, noise effects, spectral whitening, detrending, speech analysis, seismology, underwater acoustics

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