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Happy Alexa, Sad Alexa…. In November 2020, Amazon Alexa added… | by Alex Kintzer | Jan, 2021
In November 2020, Amazon Alexa added more new speech presets (“musical” and “conversational”) to their “Excited/Disappointed” Speech Synthesis Markup Language (SSML) presets debuted in November 2019.* Although Alexa does provide examples of the code for each preset, they are still pretty vague (good internal coding) so from an audio/neuroscience view, I was interested in what made the voices sonically different and how that compared to current literature on acoustic characteristics of language and emotional prosody, using the examples from their website.*I am a student and not affiliated with Amazon. All sounds, code and news are publicly available.With the original and new audio examples hard-panned L and R respectively, I was able to use Blue Cat Audio’s Freqanalyst Logic Pro X Plug-in t...