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Speak Response

The Speak response allows your prototype to "speak" by reading text aloud, as-is or via a formula.


Enter the text that needs to be read out loud here.

[object Object]

In this example, tapping the logo triggers this speech: "ProtoPie is the most intuitive way to prototype and perfect them".


You can use formulas to create dynamic voice interactions, as long as the formula you use returns a text. Additionally, you can use the predefined variable $voiceTranscript, which stores the latest voice command.

Voice Options

You can customize the voice style by choosing a language, type of voice, speed, and pitch.


You can choose from 40 languages and language variants.

Voiced by

You can choose between a female or male voice per each language.


You can adjust the speed by choosing a value between 0.5 and 2.


You can adjust the pitch by choosing a value between 0.5 and 2.

[object Object]

In this example, once listening is enabled, the prototype will start reading out loud whatever speech the incoming voice command contains.

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