頁籤選單縮合
題 名 | 臺灣桂竹曲笛之研究與製作=The Study on Phyllostanchs makinoi Flute and Manufacturing |
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作 者 | 游竣傑; 陳周宏; | 書刊名 | 林產工業 |
卷 期 | 24:1 2005.03[民94.03] |
頁 次 | 頁57-68 |
分類號 | 474.16 |
關鍵詞 | 臺灣桂竹; 曲笛; 縱向音波速率; 頻譜分析系統; 音準; Phyllostachs makinoi; Longitudinal sound velocity; Spectrogram system; Intonation; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係探討市售臺灣桂竹之曲笛的音響性質,測定其比重及縱向音波速度,並用頻譜分析系統分析音準、性質等來評估笛子的品質。最後自行製作,兩者加以比較,然後分析對整支笛子音準、音色的影響性,並找出其修正之道加以改進。綜合結果如下: (1)曲笛材料平均含水率為8%,比重為0.69。 (2)曲笛之縱向音波速度範圍為3586~4237 m/s,平均為3865 m/s。 (3)第二、三音孔因使手指按孔的容易,第五、六孔因音高距離的考量,實際製作時與理論計算值略有調整。 (4)已經調整之孔會影響後續孔的音高,製作後續孔時應予調整孔距。 (5)各孔有各孔的適當斜角,可利於音量與音色的發揮。 (6)塗裝前後的音準變化,經過t-test結果顯示塗裝前與塗裝後音準的差異不顯著。 (7)經鑽孔、塗裝與纏線等加工程序之後,其各階段的平均音波速度由4016.2 m/s漸次減低到3829.6 m/s,各階段降幅不大。 |
英文摘要 | The main purpose of this study is to investigate the acoustics Makino bamboo properties of flute, which buy from market, and measure its gravity, longitudinal sound velocity. Then use spectrogram system to analysis the intonation, characters to assessment the quality of flute. We analysis the effects on flute with its intonation and timbre. And find the way to modify its disadvantage. The results can be summarized as fallows: (1) The mean moisture content of flute's material is 8% and the gravity is 0.69. (2) The longitudinal sound velocity rage of flute are 3586~4237 m/s, the average is 3865 m/s. (3) The second and third sound holes for fingering easy and the fifth and sixth sound holes for pith, there are difference between manuacturing and accounting theory. (4) The adjusted hole affected after intonation of holes, manufacturing must adjust the distance between each hole. (5) Each hole has the applicable angle, which advantages of tone color and volume. (6) The result of t-test can show that there are no difference between the intonation of coated flute and uncoated flute. (7) After boring, coating and binding, the average of sound velocity is reduce from 4016.2 m/s to 3829.6 m/s, and the difference among each step are small in fact. |
本系統中英文摘要資訊取自各篇刊載內容。