octave filter câu

Câu ví dụ

1. Here is the response curve for a 1/3 octave filter and an even narrower 1/10 octave filter.
   Dải tần phân tích: 1/1-Octave filter và 1/3-Octave filter
2. Here is the response curve for a 1/3 octave filter and an even narrower 1/10 octave filter.
   Dải tần phân tích: 1/1-Octave filter và 1/3-Octave filter