PokéBase - Pokémon Q&A
2 votes
Always wondered this. *Upvotes*

1 Answer

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Best answer

If you do not make your own personal recorded sound for it, the. The sound will be Chatot's battle cry.

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what is the chance to confuse?
"It allows the player's voice to be recorded and this recording is played back when the move is used. The louder the recording, the more likely Chatter is to cause confusion. The chance of confusion can be 1%, 11% or 31% for a low, medium or high volume respectively."

 (Taken from the db page on chatter)
I meant when nothing is recorded
I asked it as a question and it is 1%