Changing variables in pipeline

[Lars H]

Can we make changes in specific steps of the speech synthesis pipeline? For example, can we change the stress to another syllable and listen to the resulting utterance?

[Simon]

In principal, yes this is possible in Festival. But it would require advanced Scheme programming skills and a deep understanding of how Festival is implemented.

Instead, try using Praat to modify F0 (and optionally also duration) of either a natural sentence, or a synthetic waveform saved from Festival. What do you need to modify to move the perceived stress from one syllable to another?

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