| Presentation | 2012-09-29 The Development and Evaluation of Bandwidth Extension of Speech for Mobile Device:The Proposal ofAdaptive Low-Frequency Bandwidth Extending Method and an Objective Evaluation Method Takashi SUDO, Masataka OSADA, Yusaku KIKUGAWA, Hirokazu TANAKA, Shigenobu MINAMI, Ryoji KOHNO, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We evaluate and examine the new development process when applying speech bandwidth extension which is atechnique for improving the sound quality of a narrow-band speech to the mobile computing devices. First,in order to make sound quality evaluation more efficient,we bring in the simulated MOS value [1] which is effective objective evaluation rating as substitution of MOS value. Next,speech bandwidth extension tehnique is developed so that sound quality may be improved using simulated MOS value. In this report,we evaluate the adaptive low-frequency bandwidth extension [2] using the simulated MOS value. Finally,evaluating keeping sound quality using the simulated MOS value,the complexity and thememory size of speech bandwidth extension are reduced and it is transported to a target platform so that it may become applicable to mobile computing devices. As a result,we verified that we could realize sound quality with a difference more significant than a narrow-band speech and that it could mount in mobile computing devices supposing ARM9 in respect of both the complexity and the memory size. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Speech Bandwidth Extension / Objective Evaluation / Simulated Mean Opinion Score / Adaptive Low-Frequency Bandwidth Extension |
| Paper # | SP2012-70,WIT2012-22 |
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| Committee | WIT |
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| Conference Date | 2012/9/21(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Well-being Information Technology(WIT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The Development and Evaluation of Bandwidth Extension of Speech for Mobile Device:The Proposal ofAdaptive Low-Frequency Bandwidth Extending Method and an Objective Evaluation Method |
| Sub Title (in English) | |
| Keyword(1) | Speech Bandwidth Extension |
| Keyword(2) | Objective Evaluation |
| Keyword(3) | Simulated Mean Opinion Score |
| Keyword(4) | Adaptive Low-Frequency Bandwidth Extension |
| 1st Author's Name | Takashi SUDO |
| 1st Author's Affiliation | Toshiba Corporation:Graduate School of Engineering,Yokohama National University() |
| 2nd Author's Name | Masataka OSADA |
| 2nd Author's Affiliation | Toshiba Corporation |
| 3rd Author's Name | Yusaku KIKUGAWA |
| 3rd Author's Affiliation | Toshiba Corporation |
| 4th Author's Name | Hirokazu TANAKA |
| 4th Author's Affiliation | Toshiba Corporation |
| 5th Author's Name | Shigenobu MINAMI |
| 5th Author's Affiliation | Toshiba Corporation |
| 6th Author's Name | Ryoji KOHNO |
| 6th Author's Affiliation | Faculty of Engineering,Yokohama National University |
| Date | 2012-09-29 |
| Paper # | SP2012-70,WIT2012-22 |
| Volume (vol) | vol.112 |
| Number (no) | 223 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |