Sound Ledger¹ (Text-to-Speech, Cyberpunk 2077, Machine Learning)

Audio culture by the numbers

5: The estimated value, in billions of dollars, of the text-to-speech (TTS) market by 2026

800: Roughly the number of audio files overhauled in the troubled game Cyberpunk 2077 by an 11GB user mod

13,000: Roughly the number of piece of (Western) classical music processed by an machine-learning AI at EPFL’s Digital and Cognitive Musicology Lab to discern patterns in the music’s development

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¹Footnotes: TTS: 2077: EPFL:

Originally published in the February 8, 2021, edition of the This Week in Sound email newsletter (

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