“知已知彼,百战百胜”。要想高保真地还原出原汁原味的声音,必须对各种乐器发出的声音有清楚的了解。这里包括人声和乐器的频率域以及声压级范围。一、频率域范围图1是人声和某些常用乐器的基音频率范围。由于横坐标是对数刻度划线的,严格的起点和终点比较难读,故这里只是个大概值。另需注意,图1是指基音范围,不包括谐波成分。例如88键 “Known to know, victorious.” To restore the original sound with high fidelity, you must have a clear understanding of the sounds made by the various instruments. This includes the frequency domain of vocals and instruments as well as the range of sound pressure levels. First, the frequency domain range Figure 1 is the human voice and some commonly used instruments pitch frequency range. As the abscissa is a logarithmic scale crossed, the strict starting point and the end of the more difficult to read, so here is only a rough estimate. Another note, Figure 1 refers to the pitch range, does not include harmonic components. For example, 88 keys