A voice in a message broadcast by Qatar-based Al-Jazeera TV hailing the devastating Oct. 12 Bali bombing matches that of Saudi-born Islamic militant Osama bin Laden, a Japanese voice analysis expert said Wednesday.

Matsumi Suzuki, head of Tokyo-based Japan Acoustic Lab, said the recorded voice that aired Tuesday is definitely that of bin Laden.

Suzuki, who analyzed the acoustic patterns of the voice, said bin Laden was recorded in a room with a tight security system, adding he was hoarse, suggesting his health has deteriorated.

The voice also referred to the Moscow hostage crisis in October, in which a group of armed Chechen rebels seized a packed theater.

Bin Laden is believed to have masterminded the Sept. 11 attacks on the United States.

More than 190 people were killed in the bombing attacks in Bali.

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