Audio-intonation calibration method

G - Physics – 09 – B

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Details

G09B 19/06 (2006.01) G09B 19/00 (2006.01)

Patent

CA 2494697

The invention relates to an audio-intonation calibration method in which an audio signal emitted by a subject (S) is returned after processing in real time to the auditory organs of said subject (S). The inventive method comprises the following steps: acquisition (E10) of an audio signal model to be imitated; spectral analysis (E11) of the aforementioned audio signal model; acquisition (E13) of an audio signal imitated by the subject (S); spectral analysis (E15) of the imitated audio signal; comparison (E16) of the spectra of the audio signal model and the imitated audio signal; correction (E18) of the imitated audio signal according to the result of said comparison; and return (E22) of the corrected audio signal to the auditory organs of the subject (S). The invention can be used, in particular, for the oral practice of a language or for performing a song.

Un procédé de calibrage d'audio-intonation dans lequel un signal audio émis par un sujet (S) est restitué après traitement en temps réel aux organes auditifs dudit sujet (S), comprend les étapes suivantes: - acquisition (E10) d'un modèle de signal audio à imiter; - analyse spectrale (E11) dudit modèle de signal audio ; - acquisition (E13) d'un signal audio imité par le sujet (S) ; - analyse spectrale (E15) du signal audio imité ; - comparaison (E16) des spectres du modèle de signal audio et du signal audio imité ; - correction (E18) du signal audio imité en fonction du résultat de ladite comparaison ; et - restitution (E22) du signal audio corrigé aux organes auditifs du sujet (S). Utilisation notamment pour acquérir une pratique orale d'une langue ou exécuter une chanson.

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