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.