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題名 | 使用卡式磁帶的中文顯示型歌唱輔助系統=Using Magnetic Cassette Tapes for Sing-Along Systems with Chinese Sub-Title Display |
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作者 | 沈雍超; | 書刊名 | 技術學刊 |
卷期 | 11:2 1996.06[民85.06] |
頁次 | 頁227-234 |
分類號 | 471.9 |
關鍵詞 | 卡式磁帶; 曼徹斯特碼; 遲滯現象; 串音干擾; Magnetic cassette tape; Manchester code; Hysteresis; Cross-talk; |
語文 | 中文(Chinese) |
中文摘要 | 一般歌唱輔助設備常以錄影帶、影碟等結合音效及畫面,但裝備不易攜帶。本文研製於卡式磁帶上儲存音樂、中文歌詞,可配合本系統所研製的「伴唱顯示實體」,在一般放音機使用。在功能上,以LCD顯示器結合視聽同步效果來導引歌唱之節奏,並含混音及自動接唱等伴唱功能。在技術上,將實驗以曼徹斯特碼運用於卡式磁帶的數位編碼上,並分析抑制磁頭的遲滯現象。為了進一步增加資料擷取的正確率,在資料格式的編排及編解碼電路的設計上,也要降低兩軌訊號彼此所造成的串音干擾。 |
英文摘要 | Sing-along systems, which present associated video frames and music, usually use laser-discs or video tapes, are not portable. This paper presents a system of storing musical accompaniment associated video frames and Chinese sub-titles on cassette tapes. The basic functions include guiding the singer by the use of a LCD display, vocal mixing, and automatic continuation of the melody and vocal. This technique uses the Manchester code for digital encoding to reduce the Hysteresis loop on the cassette head. The cross-talk. interference caused by the proximity of the adjacent signals from the two tracks on the cassette tape, which would adversely affect the precision of the data access ratio, is suppressed by optimizing the arrangement of data frames. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。