There are a couple of idioms or phrases or popular colloquial sayings like „Oh my dear!“ , „Be careful“, „please wait“ or (German)„Ach so!“ or „Achtung“. How can I mark these as special expressions so that the speech synthesis pronounces the phrases in a natural way?
Pseudo code:
<say-as thing-I-search>Attention please!</say-as>
In SSML you have the emphasis tag. This can have the values strong/reduced/moderate. One other option could be to work with voices with a specific style
This is an example of the emphasis tag
This is an example of the style tag