Audubon refers to John James Audubon or the Audubon Society, a proper noun denoting a surname and an organization. It is pronounced with emphasis on the first syllable, and derives from French-origin family name; in common usage, it’s treated as a brand/name. The pronunciation preserves the distinctive initial vowel and silent or subtly reduced interior syllables typical of English borrowings. 2-4 sentences total.
Full pronunciation guide
