‘哼鸣’ (hēng míng) refers to the vocal technique of humming—producing a continuous, low-pitched sound with the mouth closed and the voice resonating in the nasal and head cavities. The character 哼 means ‘to hum’ or ‘to emit a low sound’, often involuntarily or expressively; 鸣 means ‘to make a sound’ or ‘to sing out’, commonly used for clear, resonant vocalizations. Together, they form a compound emphasizing intentional, resonant humming as a controlled vocal exercise—not casual or distracted humming, but a deliberate practice.

This term is widely used in Chinese music education, vocal training, and speech therapy contexts. Singers use 哼鸣 to warm up the voice, improve resonance, and develop breath control without straining the vocal cords. It’s also applied in therapeutic settings to soothe anxiety or aid breathing regulation. While it can occasionally appear in literary descriptions of quiet singing, it rarely appears in casual conversation—its usage leans technical or pedagogical.