Speech changes to a more robotic feel if I use certain phonemes

I am using phonemes for some speaks, to make them sound more natural, but some phonemes change the rest of the sentence feel. I have made a demo here.

Using these settings:

  • English
  • EN-GB-Wavenet-F
  • speed 0.95
  • pitch 0

In the speak below I have two identical speaks, where one word is replaced with a phoneme. Notice how the end of the sentence changes to a more robotic feel in the first.

How do I avoid this?

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Hi! I see there is an issue already open regarding this. I’ve tested your SSML and I understand what the issue is and it seems like unintended behavior. I tried to workaround it but I didn’t find a way to do so. Any updates regarding your issue will be on the issue tracker

Yes. I created the issue. Thx for the reply