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- W64868312 abstract "Voice activity detection (VAD) in real-world noise is a very challenging task. In this paper, a two-step methodology is proposed to solve the problem. First, segments with non-stationary components, including speech and dynamic noise, are located using sub-band energy sequence analysis (SESA). Secondly, voice is detected within the selected segments employing the proposed method concerning its harmonic structure. Therefore, speech segments can be accurately detected by this rule-based framework. This algorithm is evaluated in several databases in terms of speech/non-speech discrimination and in terms of word accuracy rate when it is used as the front-end of automatic speech recognition (ASR) system. It provides a more reliable performance over the commonly used standard methods. Index Terms: voice activity detection, harmonic structure, noise robustness, automatic speech recognition" @default.
- W64868312 created "2016-06-24" @default.
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- W64868312 date "2007-08-27" @default.
- W64868312 modified "2023-09-25" @default.
- W64868312 title "Robust voice activity detection based on adaptive sub-band energy sequence analysis and harmonic detection" @default.
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- W64868312 doi "https://doi.org/10.21437/interspeech.2007-735" @default.
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