---
title: "Get Audio Info"
description: "Local-first visual environment for building and running AI workflows. Build agents visually, deploy anywhere, privacy by design."
canonical: https://docs.nodetool.ai/nodes/nodetool/audio/getaudioinfo
markdown: https://docs.nodetool.ai/nodes/nodetool/audio/getaudioinfo.md
product: NodeTool
source: https://github.com/nodetool-ai/nodetool/blob/main/docs/nodes/nodetool/audio/getaudioinfo.md
---

# Get Audio Info

**Type:** `nodetool.audio.GetAudioInfo`

**Namespace:** `nodetool.audio`

## Description

Extract metadata from an audio file: duration, sample rate, channels, format.
    audio, info, metadata, duration, sample_rate, channels, format

## Properties

| Property | Type | Description | Default |
|----------|------|-------------|---------|
| audio | `audio` | The audio to inspect. | `{"type":"audio","uri":"","asset_id":null,"data"...` |

## Outputs

| Output | Type | Description |
|--------|------|-------------|
| duration | `float` |  |
| sample_rate | `int` |  |
| channels | `int` |  |
| format | `str` |  |
| size_bytes | `int` |  |

## Related Nodes

Browse other nodes in the [nodetool.audio](./) namespace.