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All Journal Techne : Jurnal Ilmiah Elektroteknika
Xiaohua Zhou
University of Wollongong
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Linear Prediction and Long Term Predictor Analysis and Synthesis Xiaohua Zhou; Banu W. Yohanes
Techné : Jurnal Ilmiah Elektroteknika Vol. 16 No. 01 (2017)
Publisher : Fakultas Teknik Elektronika dan Komputer Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.482 KB) | DOI: 10.31358/techne.v16i01.158

Abstract

Spectral analysis may not provide an accurate description of speech articulation. This article presents an experimental setup of representing speech waveform directly in terms of timevarying parameters. It is related to the transfer function of the vocal tract. Linear Prediction, Long Term Predictor Analysis, and Synthesis filters are designed and implemented, as well as the theory behind introduced. The workflows of the filters are explained by detailed and codes of those filters. Original waveform files are framed with Hamming window and for each frames the filters are applied, and the reconstructed speeches are compared to original waveforms. The results come out that LP and LTP analysis can be used in DSPs due to its periodical characteristic, but some distortion might be coursed, which examined in the experiments.
Co-Authors Banu Wirawan Yohanes