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For models that support audio-driven generation (such as Wan 2.7 T2V), pass an audio file via the media.audio_inputs field. The model synchronizes the generated video to the audio, which is useful for lip sync, beat-matched motion, or narration-driven scenes. 
import time
from together import Together

client = Together()

job = client.videos.create(
    prompt="A cartoon kitten general in golden armor stands on a cliff, commanding an army",
    model="Wan-AI/wan2.7-t2v",
    resolution="720P",
    ratio="16:9",
    seconds="10",
    media={
        "audio_inputs": ["https://download.samplelib.com/mp3/sample-3s.mp3"]
    },
)

print(f"Job ID: {job.id}")

# Poll until completion
while True:
    status = client.videos.retrieve(job.id)
    print(f"Status: {status.status}")

    if status.status == "completed":
        print(f"Video URL: {status.outputs.video_url}")
        break
    elif status.status == "failed":
        print("Video generation failed")
        break

    time.sleep(60)

import Together from "together-ai";

const together = new Together();

async function main() {
  const job = await together.videos.create({
    prompt: "A cartoon kitten general in golden armor stands on a cliff, commanding an army",
    model: "Wan-AI/wan2.7-t2v",
    resolution: "720P",
    ratio: "16:9",
    seconds: "10",
    media: {
      audio_inputs: ["https://download.samplelib.com/mp3/sample-3s.mp3"]
    },
  });

  console.log(`Job ID: ${job.id}`);

  // Poll until completion
  while (true) {
    const status = await together.videos.retrieve(job.id);
    console.log(`Status: ${status.status}`);

    if (status.status === "completed") {
      console.log(`Video URL: ${status.outputs.video_url}`);
      break;
    } else if (status.status === "failed") {
      console.log("Video generation failed");
      break;
    }

    await new Promise(resolve => setTimeout(resolve, 60000));
  }
}

main();
If no audio is provided, the model automatically generates matching background music or sound effects based on the video content.
Audio constraints: WAV or MP3 format, 3 to 30 seconds, up to 15 MB. Audio longer than the video is truncated; audio shorter than the video leaves the remaining portion silent.