low frequency   (TTS Sound)

The low_frequency has 2 Senses.

• low frequency, lf
• 低周波, lf
• 30 to 300 kilohertz
• 30から300キロヘルツ

• low pitch, low frequency
• 低周波
• a pitch that is perceived as below other pitches
• 他のピッチより下にあると認識されるピッチ