get-audio-duration

Getting the duration of an audio file in seconds with Mediabunny

Skills
Video
0

What it does and how to use it

A skill that teaches Claude Code to do video tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/get-audio-duration && curl -fsSL https://doutorai.pt/data/lib/skills__get-audio-duration.md -o .claude/skills/get-audio-duration/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
name: get-audio-duration
description: Getting the duration of an audio file in seconds with Mediabunny
metadata:
  tags: duration, audio, length, time, seconds, mp3, wav
---

# Getting audio duration with Mediabunny

Mediabunny can extract the duration of an audio file. It works in browser, Node.js, and Bun environments.

## Getting audio duration

```tsx
import { Input, ALL_FORMATS, UrlSource } from "mediabunny";

export const getAudioDuration = async (src: string) => {
  const input = new Input({
    formats: ALL_FORMATS,
    source: new UrlSource(src, {
      getRetryDelay: () => null,


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