IEICE Transactions on Information and Systems
Online ISSN : 1745-1361
Print ISSN : 0916-8532
Regular Section
Modification of Velvet Noise for Speech Waveform Generation by Using Vocoder-Based Speech Synthesizer
Masanori MORISE
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2019 Volume E102.D Issue 3 Pages 663-665

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Abstract

This paper introduces a new noise generation algorithm for vocoder-based speech waveform generation. White noise is generally used for generating an aperiodic component. Since short-term white noise includes a zero-frequency component (ZFC) and inaudible components below 20 Hz, they are reduced in advance when synthesizing. We propose a new noise generation algorithm based on that for velvet noise to overcome the problem. The objective evaluation demonstrated that the proposed algorithm can reduce the unwanted components.

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© 2019 The Institute of Electronics, Information and Communication Engineers
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