The cepstrum: A guide to processing
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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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]”
From A Survey of Underwater Acoustic Data Classification Methods Using Deep Learning for Shoreline Surveillance (2022) · cites this paper as [13]
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Speech Analysis Synthesis and Perception
Flanagan, J. L. (1972) · doi:10.1007/978-3-662-01562-9 · Cited by 1,469 · see citing works
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A comparison of features for synthetic speech detection
Sahidullah, M., Kinnunen, T., & Hanilçi, C. (2015) · Interspeech 2015 · doi:10.21437/interspeech.2015-472 · Cited by 382 · see citing works
Condition based maintenance of machine tools—A review
Goyal, D., & Pabla, B. S. (2015) · CIRP Journal of Manufacturing Science and Technology · doi:10.1016/j.cirpj.2015.05.004 · Cited by 175 · see citing works
Modeling and predicting behavioral dynamics on the web
Radinsky, K., Svore, K., Dumais, S., Teevan, J., Bocharov, A., & Horvitz, E. (2012) · Proceedings of the 21st international conference on World Wide Web · doi:10.1145/2187836.2187918 · Cited by 122 · see citing works
Domingos, L. C. F., Santos, P. E., Skelton, P. S. M., Brinkworth, R. S. A., & Sammut, K. (2022) · Sensors · doi:10.3390/s22062181 · Cited by 93 · see citing works
“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].”
MethodContact localization and motion analysis in the ocean environment: A perspective
Hassab, J. (1983) · IEEE Journal of Oceanic Engineering · doi:10.1109/joe.1983.1145559 · Cited by 39 · see citing works
Domingos, L. C. F., Santos, P. E., Skelton, P. S. M., Brinkworth, R. S. A., & Sammut, K. (2022) · IEEE Access · doi:10.1109/access.2022.3220265 · Cited by 37 · see citing works
Key roles of C2/GAP domains in SYNGAP1-related pathophysiology
Katsanevaki, D., Till, S. M., Buller-Peralta, I., Nawaz, M. S., Louros, S. R., Kapgal, V., Tiwari, S., Walsh, D., Anstey, N. J., Petrović, N. G., et al. (2024) · Cell Reports · doi:10.1016/j.celrep.2024.114733 · Cited by 22 · see citing works
- 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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