| Presentation | 2000/4/28 Comparison of Methods to Measure the Distortion Level Tomohisa Ohkawa, Toyota Fujioka, Yoshifumi Nagata, Masato Abe, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper describes a method to measure the distortion level of an amplifier and/or loudspeaker using a DXHS adaptive filter. Conventional technique to measure the distortion level uses a band-pass filter with a sharp cut-off frequency characteristics. However such the band-pass filter has an insufficient time response characteristics. On the other hand, the proposed method offers us an easy way to measure the specified harmonic distortion level with a small hardware cost. Moreover, our method is not affected by noise which has no correlation with the test signal, and the measurement can be carried out in a noisy environment. The effectiveness of the proposed method is confirmed by some experiments using a loudspeaker carried out in a room with many noise sources. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | distortion level / DXHS adaptive filter / loudspeaker / amplifier / noisy environment |
| Paper # | EA2000-3 |
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| Conference Information | |
| Committee | EA |
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| Conference Date | 2000/4/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Engineering Acoustics (EA) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Comparison of Methods to Measure the Distortion Level |
| Sub Title (in English) | |
| Keyword(1) | distortion level |
| Keyword(2) | DXHS adaptive filter |
| Keyword(3) | loudspeaker |
| Keyword(4) | amplifier |
| Keyword(5) | noisy environment |
| 1st Author's Name | Tomohisa Ohkawa |
| 1st Author's Affiliation | Faculty of Engineering, Information and Computer Science, Iwate University() |
| 2nd Author's Name | Toyota Fujioka |
| 2nd Author's Affiliation | Faculty of Engineering, Information and Computer Science, Iwate University |
| 3rd Author's Name | Yoshifumi Nagata |
| 3rd Author's Affiliation | Faculty of Engineering, Information and Computer Science, Iwate University |
| 4th Author's Name | Masato Abe |
| 4th Author's Affiliation | Faculty of Engineering, Information and Computer Science, Iwate University |
| Date | 2000/4/28 |
| Paper # | EA2000-3 |
| Volume (vol) | vol.100 |
| Number (no) | 27 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |