Samsung Electronics Co., Ltd.

Sangjoon Je

Junho Huh

Iljoo Kim

Ilyoup Kwak

Hyoungshik Kim

Muhammad Ejaz Ahmed

Provided are a method of authenticating a voice input provided from a user and a method of detecting a voice input having a strong attack tendency. The voice input authentication method includes: receiving the voice input; obtaining, from the voice input, signal characteristic data representing signal characteristics of the voice input; and authenticating the voice input by applying the obtained signal characteristic data to a first learning model configured to determine an attribute of the voice input, wherein the first learning model is trained to determine the attribute of the voice input based on a voice uttered by a person and a voice output by an apparatus.

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Suwon-si, South Korea

Sangjoon Je