As an answer to Harry's thoughts, a crackling noise came from above.

Then, just as suddenly, a crackling noise resounded around them.

Then she heard it, a crackling noise that seemed a good hundred paces away.

It was followed by a crackling noise too thin to be thunder.

I heard a crackling noise as wood and furniture began to burn.

The radio lying near the body by the door makes a sudden crackling noise.

A sound, like a cross between a hum and a crackling noise.

"I would lie in bed hearing the crackling noise of fire and become frightened," she said.

The fires started by the rockets were making crackling noises.

There was a crackling noise, and a spark jumped between them.