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Reproduction of Analog Record Sound Using Digital Image Captured by a Flatbed Scanner - Comparison of Sound Groove Edge-Extraction Filter for Stereo Records -
https://setsunan.repo.nii.ac.jp/records/995
https://setsunan.repo.nii.ac.jp/records/995667c55dc-70c3-47dc-a8f3-463e1d814128
名前 / ファイル | ライセンス | アクション |
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Reproduction of Analog Record Sound Using Digital Image Captured by a Flatbed Scanner - Comparison of Sound Groove Edge-Extraction Filter for Stereo Records - (9.8 MB)
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Copyright (c) 2017 by Setsunan University
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-03-31 | |||||
タイトル | ||||||
タイトル | Reproduction of Analog Record Sound Using Digital Image Captured by a Flatbed Scanner - Comparison of Sound Groove Edge-Extraction Filter for Stereo Records - | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Reproduction of Analog Record Sound Using Digital Image Captured by a Flatbed Scanner - Comparison of Sound Groove Edge-Extraction Filter for Stereo Records - | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | analog record | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flatbed scanner | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | digital image processing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | edge extraction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound signal | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
鹿間, 信介
× 鹿間, 信介× MIZUNO, Hiroaki× SHIKAMA, Shinsuke× MIZUNO, Hiroaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We have studied on a non-contact reproduction method of sound signal from phonograph records based on digital image processing. First, we examined whether a groove geometry of stereo-record could be digitized based on a resolution of a flatbed scanner which was commercially available. Next, we investigated three filtering methods to extract the groove edges. As a result, we found that Laplacian of Gaussian (LoG) and Difference of Gaussians (DoG) filter showed relatively superior edge extraction characteristics. From the filtered image, we digitized sound signal. The reproduced sound contained strong high-frequency noise superimposed on the original sinusoidal wave. Among the three filters, the DoG filter showed most preferable time waveform and the LoG filter showed minimum harmonics distortion components. From these results, we have concluded that the extraction accuracy of the groove edges should be improved further in order to reduce the disturbance of the filtered waveform. | |||||
記事種別 | ||||||
研究論文 | ||||||
書誌情報 |
摂南大学 融合科学研究所論文集 en : Bulletin of the Transdisciplinary Science Research Institute, Setsunan University 巻 2, 号 1, p. 75-91, 発行日 2016-10-31 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2432-5031 |