because youre the devil
it's when human spit with ectoplasm and then you hear ghost voices :)))
you should get those voices checked out...
Gene Farber voices Kozak in Tom Clancy's Ghost Recon: Future Soldier.
Could it be coming through the wall (or down a chimney/ducting) from a neighbouring room/building?
If you are perhaps referring to CJ's mom, no. He does have recollections of his time in the house as a child, and you hear childhood voices in his memory, as he stares at his mom's photo during a cut scene. But there's no ghost in the house.
Umm, I Hear VoiceS?
It depends on then Ghost Hunters that are doing the investigation.
Enter "ghost stories" in the Google window. To "hear" ghost stories, enter "ghost stories audio".
The voices are transmitted via radio.
Cos they have ears
schizophrenia
You don't really hear anything specific from a ghost - it may be a whisper, or a loud, disgruntled sound.