Below the normal pitch range in music.

Pertaining to frequencies beneath audible sounds.

Relating to lower harmonic overtones or undertones.

Describing subtle nuances in sound perception.

Indicating vibrations not perceived as distinct notes.

**Subtonal**: Frequencies below the main pitch in music.

**Subtonal**: A musical element emphasizing lower harmonics or overtones.

**Subtonal**: Reference to low-frequency sound effects in audio design.

**Subtonal**: Lower register notes enhancing harmony and texture.