Concatenate Audio

Join two or more audio clips end-to-end into a single continuous output file.

When to use

• Assemble a podcast — stitch intro, body segments, and outro together.
• Merge split recordings — combine parts recorded in separate sessions.
• Build playlists — produce a single deliverable file from ordered tracks.

Inputs & outputs

Input modality	Audio files (list of URLs)
Output modality	Audio file (GCS URL)
Min clips	2
Max clips	10
Max total size	5 GB

Parameters

No operation-level parameters. All input URLs are supplied as audios in the input object.

Param	Required	Description
(none)	—	Clips are joined in the order provided in audios.

Examples

Join two podcast segments

{
  "type": "audio.concat",
  "input": {
    "audios": [
      "gs://infery-prod-media/example/part1.mp3",
      "gs://infery-prod-media/example/part2.mp3"
    ]
  },
  "params": {}
}

Assemble three tracks in order

{
  "type": "audio.concat",
  "input": {
    "audios": [
      "gs://infery-prod-media/example/intro.mp3",
      "gs://infery-prod-media/example/main.mp3",
      "gs://infery-prod-media/example/outro.mp3"
    ]
  },
  "params": {}
}

Related capabilities

• audio.trim — trim individual clips before concatenating
• audio.transcode — re-encode the concatenated output
• audio.pipeline — chain concat with other audio ops in one step
• video.concat — equivalent operation for video files

{}