Sound

Audio limiter for music and video

Stop peaks from clipping. Add gain to make a track louder with no distortion, or leave gain at 0 as a safety net on the final mix.

Shown on Sweet Sun, by Loyalty Freak Music

Before · the same request without it
After · Make music louder without letting the peaks clip.

The entry

Add it to a clip's effects list. Entries run in the order you write them.

{
  "type": "limiter",
  "gain": 9
}

Every setting and default is in the docs

Run it

The whole request behind the render above. Paste it as it is, or swap the file for your own.

job.ts
import { createClient, outputUrl } from "@rendobar/sdk";


const rb = createClient({ apiKey: process.env.RENDOBAR_API_KEY });


const job = await rb.jobs.run({
  type: "compose",
  params: {
    schemaVersion: 1,
    output: {
      format: "mp3"
    },
    timeline: {
      tracks: [
        {
          clips: [
            {
              asset: {
                type: "audio",
                src: "https://cdn.rendobar.com/compose/showcase/media/music.wav"
              },
              start: 0,
              effects: [
                {
                  type: "limiter",
                  gain: 9
                }
              ]
            }
          ]
        }
      ]
    }
  },
});


console.log(outputUrl(job));

Install with npm i @rendobar/sdk. jobs.run() submits and waits, so it returns the finished job in one call.

terminal
curl https://api.rendobar.com/jobs \
  -H "Authorization: Bearer $RENDOBAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"type":"compose","params":{"schemaVersion":1,"output":{"format":"mp3"},"timeline":{"tracks":[{"clips":[{"asset":{"type":"audio","src":"https://cdn.rendobar.com/compose/showcase/media/music.wav"},"start":0,"effects":[{"type":"limiter","gain":9}]}]}]}}}'

Returns immediately with a job id. Poll GET /jobs/{id} or register a webhook rather than blocking on the request.

Questions

What does the limiter effect do in compose?

Stop peaks from clipping. Add gain to make a track louder with no distortion, or leave gain at 0 as a safety net on the final mix. Make music louder without letting the peaks clip.

How do I add limiter to a video with an API?

Send a compose job to the Rendobar API with this entry in the timeline: {"type":"limiter","gain":9}. Add it to a clip's effects list. Entries run in the order you write them. The request on this page is complete and renders as shown.

What are the default settings for limiter?

Every setting has a default, so the type on its own is enough: gain 0 and ceiling -1. Set only the ones you want to change.

Footage and sound

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