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Cepstral and Mel-Cepstral Analysis of Speech
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- KOBAYASHI Takao
- Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
Bibliographic Information
- Other Title
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- 音声のケプストラム分析, メルケプストラム分析
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Description
This paper reviews several cepstral analysis techniques for speech signals. These techniques are classified in three classes: the original cepstral method and homomorphic processing techniques; model-based log spectral estimation techniques; and other techniques. First, fundamentals of the cepstral analysis technique is described. Then several model-based techniques which provide unbiased estimators of log spectrum are discussed. They include generalized cepstral analysis and mel-cepstral analysis techniques. Realization of speech synthesis filters for the generalized cepstral and mel-cepstral models are also shown. Finally, LPC derived cepstrum and mel-frequency cepstrum coefficients(MFCC) are briefly explained. Some illustrative analysis examples are shown in the paper.
Journal
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- The Institute of Electronics, Information and Communication Engineers, IEICE Technical Report. Speech
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The Institute of Electronics, Information and Communication Engineers, IEICE Technical Report. Speech 98 (263), 33-40, 1998-09-10
The Institute of Electronics, Information and Communication Engineers
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Details 詳細情報について
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- CRID
- 1573668927130532736
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- NII Article ID
- 110003296872
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- NII Book ID
- AN10013221
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- Text Lang
- ja
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- Data Source
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- CiNii Articles
