Display a widget that returns an audio recording from the user's microphone.

Function signature[source]

st.experimental_audio_input(label, *, key=None, help=None, on_change=None, args=None, kwargs=None, disabled=False, label_visibility="visible")

Parameters

label (str)

A short label explaining to the user what this widget is used for. The label can optionally contain GitHub-flavored Markdown of the following types: Bold, Italics, Strikethroughs, Inline Code, and Links.

Unsupported Markdown elements are unwrapped so only their children (text contents) render. Display unsupported elements as literal characters by backslash-escaping them. E.g., "1\. Not an ordered list".

See the body parameter of st.markdown for additional, supported Markdown directives.

For accessibility reasons, you should never set an empty label (label="") but hide it with label_visibility if needed. In the future, we may disallow empty labels by raising an exception.

key (str or int)

An optional string or integer to use as the unique key for the widget. If this is omitted, a key will be generated for the widget based on its content. No two widgets may have the same key.

help (str)

A tooltip that gets displayed next to the audio input.

on_change (callable)

An optional callback invoked when this audio input's value changes.

args (tuple)

An optional tuple of args to pass to the callback.

kwargs (dict)

An optional dict of kwargs to pass to the callback.

disabled (bool)

An optional boolean, which disables the audio input if set to True. Default is False.

label_visibility ("visible", "hidden", or "collapsed")

The visibility of the label. If "hidden", the label doesn't show but there is still empty space for it above the widget (equivalent to label=""). If "collapsed", both the label and the space are removed. Default is "visible".

Returns

(None or UploadedFile)

The UploadedFile class is a subclass of BytesIO, and therefore is "file-like". This means you can pass an instance of it anywhere a file is expected. The MIME type for the audio data is audio/wav.

Examples

import streamlit as st

audio_value = st.experimental_audio_input("Record a voice message")

if audio_value:
    st.audio(audio_value)
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