digital filter set的用法和樣例：
例句
- Detect Ventricular Late Potentials Using Filter Bank and Correlation Method.
應用濾波器組相關法去噪以檢測心室晚電位。 - The theory of filter banks is used as well as LPC.The spectral coverage of speech is divided, and then LPC is applied to different spectral bands.
結合濾波器組理論和線性預測模型，首先對語音頻段進行劃分，然后在不同的頻帶進行線性預測。
