查詢結果分析
來源資料
頁籤選單縮合
題名 | 音量損失評價方式之探討= |
---|---|
作者 | 黃番江; 吳明融; |
期刊 | 電信研究 |
出版日期 | 19890600 |
卷期 | 19:2 1989.06[民78.06] |
頁次 | 頁155-164 |
分類號 | 448.71 |
語文 | chi |
關鍵詞 | 音量; 評價; 損失; |
中文摘要 | 本文探討CCITT建議的種音量損失評價方式,說明它們的演進經過及其優缺點;這些方式包括RE, R25E, CRE和P.79與P.79A兩個音量評價方式;其中P.79A方式因符合傳輸計畫所要求的簡單性、精確性、相加性及世界一致性等重要條件,被認為是最理想的音量評價方式。 |
英文摘要 | In this paper, we study a sequence of loudness loss rating tools suggested by the CCITT, including RE, R25E, CRE, and two Loudness Ratings P. 79 and P. 79A. We have discussed how these tools were developed, their disadvantages, and the improvements of measuring methods. Among these rating tools, Loudness Rating P.79A is thought to be the most suitable method for transmission plan because of its simplicity, accuracy, additively, and world-wide unanimity, which meet the requirements of transmission plan. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。