Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté...

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Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of speech synthesizers for as many languages as possible, and provide them free for non-commercial applications. The ultimate goal is to boost academic research on speech synthesis, and particularly on prosody generation, known as one of the biggest challenges taken up by Text-To-Speech synthesizers for the years to come. http://tcts.fpms.ac.be/synthesis/

Transcript of Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté...

Page 1: Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of.

Synthèse de parole MBROLA

The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of speech synthesizers for as many languages as possible, and provide them free for non-commercial applications. The ultimate goal is to boost academic research on speech synthesis, and particularly on prosody generation, known as one of the biggest challenges taken up by Text-To-Speech synthesizers for the years to come.

http://tcts.fpms.ac.be/synthesis/

Page 2: Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of.

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4 104

2 104

0

2 104

1.203 104

2.336 104

affitron0 taff

2001 taff

2.2 104 2.3 104 2.41 104 2.51 104 2.61 104 2.71 104 2.81 104 2.92 104 3.02 104 3.12 104 3.22 104 3.32 104 3.43 104

0

4 104

4.25 104

signaltraitén

3.425 1042.169 10

4 n

2.79 104 2.795 104 2.8 104 2.805 104 2.81 104 2.815 104 2.82 104 2.825 104 2.83 104 2.835 104 2.84 104 2.845 104 2.85 104 2.855 104

0

2.35 104

2.944 104

signaltraitén

2.855 1042.786 10

4 n

SIGNAL ECHANTILLONNE A 22050 Hz

Sélection de tronçons de longueurs de 2 périodes de pitch

temps

temps

Sur cet exemple 200 Echantillons

Page 3: Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of.

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0.5

1

1.51.004

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affitron0 taff

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2 104

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2 104

1.203 104

2.336 104

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2001 taffPondération par une fonction rectangulaire

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1 104

0

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1.187 104

1.302 104

affitron0 taff

2001 taff

temps

temps

temps

Page 4: Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of.

Si on reconstitue un signal en rajoutant des tronçons décalés

Décalage d’une période de pitch

On reconstitue le signal original (les deux pondérations linéairesLa partie décroissante du premier tronçon et la partie croissant du deuxième tronçonSe compensent

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1.55 104

affitron0 taff

affitron1 taff

3001 taff taff 100

temps

temps

Page 5: Synthèse de parole MBROLA The aim of the MBROLA project, initiated by the TCTS Lab of the Faculté Polytechnique de Mons (Belgium), is to obtain a set of.

Modification de l’intonation

Une note plus aigue

Pour obtenir

Une note plus grave

Décalage des tronçons pondérés par rapport aux précédents

Le message reste intelligible