梵音  / fàn yīn /
Heavenly Sound 
Description:
妙音觀世音,梵音海潮音,勝彼世間音,是故須常念。
Avalokitesvara, a wondrous voice,
A heavenly voice, an ocean-tide voice;
It surpasses all worldly voices,
Thus, a name to be constantly chanted.
References:
星雲大師全集【書法類】中華文化佛教名詞 名相 The Complete Works of Venerable Master Hsing Yun: Calligraphy-Terminology 
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