It was almost too faint and too transient to allow me a distinct perception of it.

I stopped to listen; presently it was heard again, and now it was somewhat in a louder key.

It was laughter; and unquestionably produced by a female voice.

That voice was familiar to my senses.

It was yours.
"Whence it came, I was at first at a loss to conjecture; but this uncertainty vanished when it was heard the third time.