Equation 11 · Part 1 · What Multimodal AI Actually Costs, Modality by Modality
Symbol tau_audio
What this part means
the per-frame and per-second-of-audio token costs Google publishes.
Its job in the formula
taudio is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol tau_audio→Article meaning
Where the article explains it
where t is duration in seconds, f the sampling rate, and , the per-frame and per-second-of-audio token costs Google publishes.
The passage around this formula
where t is duration in seconds, f the sampling rate, and , the per-frame and per-second-of-audio token costs Google publishes. A minute of default-resolution video comes to roughly 18,000 tokens — about 2.7 cents at Gemini 3.5 Flash’s input rate, or about 1.35 cents at Gemini 3.7 Flash’s [ 6 , 4 ] . That is understanding a minute of footage: having the model watch it once and answer questions about it.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
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Sources cited in the article section
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