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| Presentation | 2019-03-14 13:30 [Poster Presentation] A Fricative Sound /z/ Detector Based on Zero-Crossing Rate Yuki Katagiri, Arata Kawamura (Kyoto Sangyo Univ.)  EA2018-113 SIP2018-119 SP2018-75 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is difficult to pronounce voiced and voiceless alveolar fricative sounds for deaf children. To support such deaf children, a pronunciation support software ``sanon'' has been developed. sanon detects fricative sounds, based on a zero-crossing rate of an observed signal. Although sanon can find voiced and voiceless alveolar fricative sounds, it cannot individually detect them. A pronunciation instruction class in a special school for deaf children has to individually instruct the pronunciations of the voiced and voiceless alveolar fricative sounds. This is a very important issue and is a very difficult task. This paper investigates a voiced alveolar fricative sound detector based on zero-crossing rate. We analyzed zero-crossing rates for voiced and voiceless alveolar fricative sounds, and found a difference between them. Specifically, a high zero-crossing rate for voiced alveolar fricative sound holds in a short time in comparison to one of the voiceless alveolar fricative sound. As the key to detect the voiced alveolar fricative sound, we use a time of holding the high zero-crossing rate. The proposed method detects the voiced alveolar fricative sounds when the holding time is within a specified region. We carried out a subjective test to evaluate the discrimination capability of the proposed method. The result showed that the proposed method is effective to discriminate voice and voiceless alveolar fricative sounds in comparison to sanon. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | zero-cross / alveolar fricative / deaf children / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 496, SIP2018-119, pp. 81-86, March 2019. | |
| Paper # | SIP2018-119 | |
| Date of Issue | 2019-03-07 (EA, SIP, SP) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2018-113 SIP2018-119 SP2018-75 |
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| Conference Information | |
| Committee | EA SIP SP |
| Conference Date | 2019-03-14 - 2019-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | i+Land nagasaki (Nagasaki-shi) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Signal Processing, Speech, and Related Topics |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2019-03-EA-SIP-SP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Fricative Sound /z/ Detector Based on Zero-Crossing Rate |
| Sub Title (in English) | |
| Keyword(1) | zero-cross |
| Keyword(2) | alveolar fricative |
| Keyword(3) | deaf children |
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| 1st Author's Name | Yuki Katagiri |
| 1st Author's Affiliation | Kyoto Sangyo University (Kyoto Sangyo Univ.) |
| 2nd Author's Name | Arata Kawamura |
| 2nd Author's Affiliation | Kyoto Sangyo University (Kyoto Sangyo Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-03-14 13:30:00 |
| Presentation Time | 90 minutes |
| Registration for | SIP |
| Paper # | EA2018-113, SIP2018-119, SP2018-75 |
| Volume (vol) | vol.118 |
| Number (no) | no.495(EA), no.496(SIP), no.497(SP) |
| Page | pp.81-86 |
| #Pages | 6 |
| Date of Issue | 2019-03-07 (EA, SIP, SP) |
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