Festival Commands not Working

[Isobel W]

I copied the commands exactly from the instructions page for the assignment but I keep getting this error:
festival> (set! myutt “COVID19 is very dangerous”)
“COVID19 is very dangerous”
festival> (utt.relationnames myutt)
SIOD ERROR: wrong type of argument to get_c_utt : “COVID19 is very dangerous”
festival> (utt.relation.print myutt ‘Word)
SIOD ERROR: wrong type of argument to get_c_utt : “COVID19 is very dangerous”
festival>

[Simon]

Your command

festival> (set! myutt "COVID19 is very dangerous")

sets the variable myutt to a string, which is not what you need to do. myutt should be a Festival Utterance object, so you need this (as in the instructions):

festival> (set! myutt (Utterance Text "COVID19 is very dangerous"))

which creates a new Utterance object and stores it in the variable myutt.

[Isobel W]

The commands are working now – I can set the utterance but when I type the command (utt.play myutt) I get the following error:
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
festival> (utt.play myutt) -=-=-=-=-=- EST Error -=-=-=-=-=-
{FND} Feature Wave not defined

[Simon]

This means that you have not performed synthesis for that Utterance object. Perhaps you only set the text but didn’t complete the rest of the pipeline? A Wave relation only exists in an Utterance object if the waveform generation step has been run (e.g., SayText runs all steps including that one)

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