Prosody Modification Using Zero Frequency Filtered Signal

Pitch Period Modification

Method

0.66

1.5

2

Reference File

ZFFS

TD - PSOLA

ZFF - RM

FAST

ESPS

Duration Modification

Method

0.5

1.5

2.5

Reference File

ZFFS

TD - PSOLA

ZFF - RM

FAST

ESPS

Dynamic Pitch Period Modification

Modification factors varies from 2.0 to 0.6           

ZFFS

TD - PSOLA

ZFF - RM

FAST

ESPS

Dynamic Duration Modification

Modification factors varies from  2.5 to 0.5           

ZFFS

TD - PSOLA

ZFF - RM

FAST

ESPS


ZFFS   : Speech waveform modification using Zero Frequency Filtered Signal (ZFFS)

TD - PSOLA  : Time domain pitch synchronous overlap add

ZFF - RM       : ZFF based residual modification

FAST      :  Zero frequency filtering based fast speech waveform prosody modification

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