AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
The authentication system comprises: an acquisition unit that acquires an audio signal of a speaker's spoken voice; a detection unit that detects a first utterance interval spoken by the speaker from the audio signal and a second utterance interval spoken by the speaker from the audio signals o...
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Format | Patent |
Language | English French Japanese |
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30.11.2023
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Abstract | The authentication system comprises: an acquisition unit that acquires an audio signal of a speaker's spoken voice; a detection unit that detects a first utterance interval spoken by the speaker from the audio signal and a second utterance interval spoken by the speaker from the audio signals of a database in which are registered audio signals of a plurality of speakers; a determination unit that compares a first audio signal of the first utterance interval and a second audio signal of the second utterance interval and determines authentication conditions for authentication using the first audio signal based on the length of the second audio signal of the second utterance interval or the number of sounds included in the second utterance interval; and an authentication unit that authenticates the speaker.
L'invention concerne un système d'authentification comprenant: une unité d'acquisition qui acquiert un signal audio d'une voix parlée d'un locuteur; une unité de détection qui détecte un premier intervalle d'énoncé prononcé par le locuteur à partir du signal audio et un second intervalle d'énoncé prononcé par le locuteur à partir des signaux audio d'une base de données dans laquelle sont enregistrés des signaux audio d'une pluralité de locuteurs; une unité de détermination qui compare un premier signal audio du premier intervalle d'énoncé et un second signal audio du second intervalle d'énoncé et détermine des conditions d'authentification pour une authentification au moyen du premier signal audio sur la base de la longueur du second signal audio du second intervalle d'énoncé ou du nombre de sons inclus dans le second intervalle d'énoncé; et une unité d'authentification qui authentifie le locuteur.
認証システムは、話者の発話音声の音声信号を取得する取得部と、音声信号から話者が発話している第1の発話区間と、複数の話者の音声信号が登録されたデータベースの音声信号から話者が発話している第2の発話区間と、を検出する検出部と、第1の発話区間の第1音声信号と、第2の発話区間の第2音声信号とを照合し、第2の発話区間の第2音声信号の長さまたは第2の発話区間に含まれる音数に基づき第1音声信号を用いる認証の認証条件を決定する決定部と、認証条件に基づいて、話者の認証を行う認証部と、を備える。 |
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AbstractList | The authentication system comprises: an acquisition unit that acquires an audio signal of a speaker's spoken voice; a detection unit that detects a first utterance interval spoken by the speaker from the audio signal and a second utterance interval spoken by the speaker from the audio signals of a database in which are registered audio signals of a plurality of speakers; a determination unit that compares a first audio signal of the first utterance interval and a second audio signal of the second utterance interval and determines authentication conditions for authentication using the first audio signal based on the length of the second audio signal of the second utterance interval or the number of sounds included in the second utterance interval; and an authentication unit that authenticates the speaker.
L'invention concerne un système d'authentification comprenant: une unité d'acquisition qui acquiert un signal audio d'une voix parlée d'un locuteur; une unité de détection qui détecte un premier intervalle d'énoncé prononcé par le locuteur à partir du signal audio et un second intervalle d'énoncé prononcé par le locuteur à partir des signaux audio d'une base de données dans laquelle sont enregistrés des signaux audio d'une pluralité de locuteurs; une unité de détermination qui compare un premier signal audio du premier intervalle d'énoncé et un second signal audio du second intervalle d'énoncé et détermine des conditions d'authentification pour une authentification au moyen du premier signal audio sur la base de la longueur du second signal audio du second intervalle d'énoncé ou du nombre de sons inclus dans le second intervalle d'énoncé; et une unité d'authentification qui authentifie le locuteur.
認証システムは、話者の発話音声の音声信号を取得する取得部と、音声信号から話者が発話している第1の発話区間と、複数の話者の音声信号が登録されたデータベースの音声信号から話者が発話している第2の発話区間と、を検出する検出部と、第1の発話区間の第1音声信号と、第2の発話区間の第2音声信号とを照合し、第2の発話区間の第2音声信号の長さまたは第2の発話区間に含まれる音数に基づき第1音声信号を用いる認証の認証条件を決定する決定部と、認証条件に基づいて、話者の認証を行う認証部と、を備える。 |
Author | FUKUDA Teppei FUJII Ryota OKADA Shintaro |
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DocumentTitleAlternate | 認証システムおよび認証方法 SYSTÈME D'AUTHENTIFICATION ET PROCÉDÉ D'AUTHENTIFICATION |
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Snippet | The authentication system comprises: an acquisition unit that acquires an audio signal of a speaker's spoken voice; a detection unit that detects a first... |
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SubjectTerms | ACOUSTICS MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION |
Title | AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD |
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