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Abstrakti
Voice source characteristics in different phonation types vary due to the tension of laryngeal muscles along with the respiratory effort. This study investigates the use of mel-frequency cepstral coefficients (MFCCs) derived from voice source waveforms for classification of phonation types in speech. The cepstral coefficients are computed using two source waveforms: (1) glottal flow waveforms estimated by the quasi-closed phase (QCP) glottal inverse filtering method and (2) approximate voice source waveforms obtained using the zero frequency filtering (ZFF) method. QCP estimates voice source waveforms based on the source-filter decomposition while ZFF yields source waveforms without explicitly computing the source-filter decomposition. Experiments using MFCCs computed from the two source waveforms show improved accuracy in classification of phonation types compared to the existing voice source features and conventional MFCC features. Further, it is observed that the proposed features have complimentary information to the existing features.
| Alkuperäiskieli | Englanti |
|---|---|
| Otsikko | Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH |
| Kustantaja | International Speech Communication Association (ISCA) |
| Sivut | 2508-2512 |
| Sivumäärä | 5 |
| Vuosikerta | 2019-September |
| DOI - pysyväislinkit | |
| Tila | Julkaistu - 1 tammik. 2019 |
| OKM-julkaisutyyppi | A4 Artikkeli konferenssijulkaisussa |
| Tapahtuma | Interspeech - Graz, Itävalta Kesto: 15 syysk. 2019 → 19 syysk. 2019 https://www.interspeech2019.org/ |
Julkaisusarja
| Nimi | Interspeech - Annual Conference of the International Speech Communication Association, INTERSPEECH |
|---|---|
| ISSN (elektroninen) | 2308-457X |
Conference
| Conference | Interspeech |
|---|---|
| Maa/Alue | Itävalta |
| Kaupunki | Graz |
| Ajanjakso | 15/09/2019 → 19/09/2019 |
| www-osoite |
Rahoitus
This study was partly funded by the Academy of Finland (project no. 312490).
Sormenjälki
Sukella tutkimusaiheisiin 'Mel-frequency cepstral coefficients of voice source waveforms for classification of phonation types in speech'. Ne muodostavat yhdessä ainutlaatuisen sormenjäljen.Projektit
- 1 Päättynyt
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Poikkitieteellinen parametrisen puhesynteesin tutkimusprojekti
Alku, P. (Vastuullinen johtaja), Bäckström, T. (Projektin jäsen), Nonavinakere Prabhakera, N. (Projektin jäsen), Bollepalli, B. (Projektin jäsen), Murtola, T. (Projektin jäsen), Airaksinen, M. (Projektin jäsen) & Juvela, L. (Projektin jäsen)
01/01/2018 → 31/12/2019
Projekti: Academy of Finland: Other research funding
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