शब्दः कचटतप्रायः स्फुरत्यन्तः समीरणैः ।यथा प्रजायते वंशाद्देहरन्ध्रात्तथैव हि
In plain words
Sound of the kind of ka, ca, ṭa, ta flashes forth within by the breaths -- just as it is produced from a length of bamboo, so indeed it is produced from the body's apertures.