Microphone

class marimo.ui.microphone(*, label: str = '', on_change: Callable[[BytesIO], None] | None = None)

An audio recorder element.

Use mo.ui.microphone to record audio via the user’s browser. The user must grant permission to use the microphone.

Example.

mic = mo.ui.microphone()
mic

mo.audio(mic.value)

Attributes.

• value: The blob of the recorded audio, as an io.BytesIO object.

Initialization Args.

• label: optional markdown label for the element

• on_change: optional callback to run when this element’s value changes

Public methods

Inherited from UIElement

form([label, bordered, loading, ...])	Create a submittable form out of this UIElement.
send_message(message, buffers)	Send a message to the element rendered on the frontend from the backend.

Inherited from Html

batch(**elements)	Convert an HTML object with templated text into a UI element.
center()	Center an item.
right()	Right-justify.
left()	Left-justify.
callout([kind])	Create a callout containing this HTML element.
style([style])	Wrap an object in a styled container.

Public Data Attributes:

name

Inherited from UIElement

value

The element’s current value.

Inherited from Html

text	A string of HTML representing this element.

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