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fal-ai/ffmpeg-api/merge-audios

fal-ai/ffmpeg-api/merge-audios is an audio to audio tool from fal that runs in the background and returns audio. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Price pending

Pricing

Price pending.

Limits

Runs
In the background
Returns
audio
Longest queue wait
3600s
Run deadline
1800s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
audio_urls requiredURLs or files—List of audio URLs to merge in order. The 0th stream of the audio will be considered as the merge candidate.
output_formatone of
mp3_22050_32, mp3_44100_32, mp3_44100_64, mp3_44100_96, mp3_44100_128, mp3_44100_192, pcm_8000, pcm_16000, pcm_22050, pcm_24000, pcm_44100, pcm_48000, ulaw_8000, alaw_8000, opus_48000_32, opus_48000_64, opus_48000_96, opus_48000_128, opus_48000_192
—Output format of the combined audio. If not used, will be determined automatically using FFMPEG. Formatted as codec_sample_rate_bitrate.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "fal-ai/ffmpeg-api/merge-audios",
    "input": {
      "audio_urls": [
        "<audio_urls>"
      ]
    }
  }'