Chapter 139: extractAudio()

Core Idea

Extracts the audio from a video source and saves it to the specified output path. It does not convert the audio to a different format.

Key Concepts

• Example
• Arguments
• videoSource
• audioOutput
• logLevel?
• binariesDirectory?<AvailableFrom v="4.0.120" />
• Return Value
• Compatibility

Code Examples

const videoSource = resolve(process.cwd(), '/Users/john/path-to-video.mp4');
const audioOutput = resolve(process.cwd(), './output-audio-path.mp3');

await extractAudio({
  videoSource,
  audioOutput,
});

• What it demonstrates: Usage pattern for extractAudio() from the official docs.

Key Takeaways

1. Understand example when working with extractAudio().
2. Understand arguments when working with extractAudio().
3. Understand videosource when working with extractAudio().
4. Understand audiooutput when working with extractAudio().
5. Understand loglevel? when working with extractAudio().

Connects To

• Chromium Flags: related page in the Rendering & SSR section.
• Compare ssr: related page in the Rendering & SSR section.
• Dataset Render: related page in the Rendering & SSR section.