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Emotional signals are more than just text though, there is a reason tone and body language is so important for understanding what someone says. Sarcasm and so on doesn't work well without it.
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Gee, you think so?
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I think the point was that not ALL sarcasm works well. I see what you did there, of course :)
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Emotion is mainly encoded in tone and body language. It is somewhat difficult to transport emotion using words. I don't think you can guess my current emotional state while I am writing this, but if you'd see my face it would be easy for you.
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Dammit, you cheated though! Why must you always do that? In your sentences it doesn't matter what your emotional state is, it makes no difference; bit like life really.

Hopefully, you can see that at least my chosen sentences have an emotional aspect?

An LLM could add emotional values to my previous sentences that a TTS can use for tonal variation, for example.

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Makes me wonder: are there Unicode code points for tone of voice? If not could there be?
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If you think in terms of quantum mechanics and density matrices across higher dimensions, then, yes there are interesting geometries that arise.

I’m exploring some “branes” that might cleanly filter in emotional space.

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I can read your example in three different tonalities, of which one is the likeliest. Depending on our relationship, the interpretation could differ.

The point is, the OP suggested that emotions are just a feature of language. I argue that text is one of the worst transmission channels for emotion. But I don't argue that it's not possible at all to do so, if you suggest that. That would be just silly.

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Fiction writers practice really hard on this, and I'd argue that they tend to be -in the main- successful. Ish. There can still be multiple readings of a book.

Ok, I argued myself in, out, and back into that one again. It depends on the writer and the book, but a lot of writers can invoke emotion in their writing.

Fun experiment: Take a piece of creative writing (a short story); [not one of the obviously ambiguous ones, d'oh ... or do! ] and decide how it makes you feel. Ask an LLM the same question. See how far you diverge. Some LLMs give answers pretty similar to humans! If you picked an ambiguous story, see what happens if you ask for multiple readings.

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