The audio begins with the distinct sound of a liquid being poured, likely from a bottle or jug, into a glass container. The liquid cascades smoothly, creating a gentle, rhythmic splashing sound that fills the environment. The pitch and intensity of the sound effects indicate that the glass is gradually being filled. The pouring process ceases as the sound becomes less intense, signifying that the glass is now full. The audio ends with the subtle sound of the pouring source being put down, concluding the filling process.