noun
fundamental frequency; fundamental
Physics term for the lowest frequency of a periodic waveform. In acoustics, it corresponds to the perceived pitch.
音声の基本周波数は、声の高さを決める重要な要素です。
The fundamental frequency of a voice is an important factor that determines its pitch.
この波形の基本周波数は100Hzです。
The fundamental frequency of this waveform is 100 Hz.