A Novel Approach to improve Speech Intelligibility through Critical Band Enhancement
| Autor: | C. S. Chetan, B. S. Premananda, Vinay B. Biradar |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Voice activity detection
Computer science Speech recognition Noise reduction Short-time Fourier transform 020206 networking & telecommunications 02 engineering and technology Intelligibility (communication) Communications system 030507 speech-language pathology & audiology 03 medical and health sciences Critical band 0202 electrical engineering electronic engineering information engineering Active listening 0305 other medical science Linear filter |
| Zdroj: | ICCCNT |
| DOI: | 10.1145/2967878.2967895 |
| Popis: | In communication systems involving speech, two different environments can be identified. These are categorized as far-end environment and the near-end environment. These different environments lead to different causes for reduction in speech intelligibility for the listener. By applying noise reduction techniques, the impact of acoustical noise sources in the far-end environment can be minimized. However, the effect of the noises present at the near-end environment cannot be negated because the listener perceives the speech and noise simultaneously. Thus near-end listening enhancement approach must be employed to enhance the speech signal to improve the speech intelligibility, when the near-end noise dominates. This work focuses on developing an approach to enhance the speech signal critical band-wise, after analyzing far-end speech and near-end (background) noise energy. Enhancedspeech signal intelligibility is assessed in terms of Speech Intelligibility Index (SII). The results obtained indicate an improvement in speech intelligibility, which can be confirmed through the values of SII. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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