Robust F_0 Estimation of Speech Signal Using Harmonicity Measure Based on Instantaneous Frequency

• ARIFIANTO Dhany

  Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

• TANAKA Tomohiro

  Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

• MASUKO Takashi

  Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

• KOBAYASHI Takao

  Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

抄録

Borrowing the notion of instantaneous frequency that was developed in the context of time-frequency signal analysis, an instantaneous frequency amplitude spectrum (IFAS) is introduced for estimating fundamental frequency of speech signal in both noiseless and adverse environments. We define harmonicity measure as a quantity that indicates degree of periodical regularity in the IFAS and that shows substantial difference between periodic signal and noise-like waveform. The harmonicity measure is applied to estimate the existence of fundamental frequency. We provide experimental examples to demonstrate the general applicability of the harmonicity measure and apply the proposed procedure to Japanese continuous speech signals. The results show that the proposed method out-performs the conventional methods with or without the presence of noise.

収録刊行物

• IEICE transactions on information and systems

  IEICE transactions on information and systems 87 (12), 2812-2820, 2004-12-01

  一般社団法人電子情報通信学会

キーワード

• instantaneous frequency amplitude spectrum
• harmonicity measure
• fundamental frequency estimation

詳細情報

• CRID: 1570572702512162432
• NII論文ID: 110003213891
• NII書誌ID: AA10826272
• ISSN: 09168532
• 本文言語コード: en
• データソース種別:
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