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Sonilo Video to Video SFX

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Sonilo Video to Video SFX adds AI-generated sound effects to input videos, creating a new video with a synchronized audio track for video sound design, ads, social content, games, and creative production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

video-dubbing
Giriş

Boşta

$0.009çalıştırma başına·~111 / $1

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README

Sonilo Video-to-Video SFX

Sonilo Video-to-Video SFX adds generated sound effects to an input video and returns an MP4 video with the new audio track. Upload a video, optionally describe the overall sound design, and generate a video output with synchronized sound effects.

Why Choose This?

  • Video-to-video sound effect generation
    Add generated sound effects directly to an input video.

  • Prompt-guided sound design
    Use an optional prompt to describe the overall sound style, ambience, intensity, or realism.

  • MP4 video output
    Return a finished MP4 video with the generated audio track included.

  • Video-aware timing
    Generated sound effects are aligned with the source video's timing and visual content.

  • Standard video output
    The final MP4 is returned as a URL in the standard WaveSpeed prediction response.

Parameters

ParameterRequiredDescription
videoYesInput video. Maximum duration: 180 seconds. Maximum file size: 300 MB.
promptNoOptional overall prompt describing the sound effects. Maximum length: 2,000 characters.

How to Use

  1. Upload your video — Provide the input video that needs generated sound effects.
  2. Add prompt guidance optional — Describe the desired sound design, ambience, mood, intensity, or realism.
  3. Submit — Generate the MP4 video with the new audio track.
  4. Use the result — Retrieve the output video URL from the standard WaveSpeed prediction response.

Pricing

Pricing is $0.009 per second of input video duration.

Video DurationPrice
1s$0.009
10s$0.09
60s$0.54
180s$1.62

Best Use Cases

  • Video sound design — Add generated sound effects to videos based on visual content.
  • Social video production — Create videos with sound effects for ads, reels, shorts, and campaign content.
  • Animation and game previews — Add sound effects to animated clips, concept videos, and gameplay-style previews.
  • Ambient scene enhancement — Generate environmental sounds such as rain, traffic, crowds, machinery, wind, or room tone.
  • Creative prototyping — Quickly test sound directions before final audio production.

Pro Tips

  • Use a clear video with visible action for better sound timing.
  • Add a prompt when you want a specific sound style, environment, or intensity.
  • Mention the overall mood, such as realistic, cinematic, playful, tense, soft, or dramatic.
  • Keep the prompt focused on sound design rather than visual changes.
  • Keep the input video within 180 seconds and 300 MB.
Not:Bu web sitesi, üçüncü taraflarca sağlanan yapay zeka modellerini kullanmaktadır.

v1 Video To Video Sfx API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/sonilo/v1/video-to-video-sfx with your input as JSON. The endpoint returns a prediction id. Start polling the result endpoint around every 2 seconds, increase the interval for long-running tasks, and stop on any terminal status. On completed, read output values from data.outputs. Examples for v1 Video To Video Sfx below.

HTTP example
set -euo pipefail

: "${WAVESPEED_API_KEY:?Set WAVESPEED_API_KEY}"

REQUEST_BODY=$(cat <<'JSON'
{
    "video": "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4"
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/sonilo/v1/video-to-video-sfx" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d "$REQUEST_BODY")

TASK=$(printf '%s' "$SUBMIT_RESPONSE" | jq 'if has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "$TASK" | jq -r '.id')
if [ -z "$PREDICTION_ID" ] || [ "$PREDICTION_ID" = "null" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL=$(printf '%s' "$TASK" | jq -r '.urls.get // empty')
if [ -z "$RESULT_URL" ]; then
  RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/$PREDICTION_ID/result"
fi

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body "$RESULT_URL" \
    -H "Authorization: Bearer $WAVESPEED_API_KEY")
  RESULT=$(printf '%s' "$RESPONSE" | jq 'if has("data") then .data else . end')
  STATUS=$(printf '%s' "$RESULT" | jq -r '.status')
  case "$STATUS" in
    completed) printf '%s\n' "$RESULT" | jq '.outputs'; break ;;
    failed|cancelled|timeout) printf '%s\n' "$RESULT" | jq . >&2; exit 1 ;;
    created|processing) sleep 2 ;;
    *) printf 'Unexpected status: %s
' "$STATUS" >&2; exit 1 ;;
  esac
done
Node.js example
const submitUrl = "https://api.wavespeed.ai/api/v3/sonilo/v1/video-to-video-sfx";
const apiKey = process.env.WAVESPEED_API_KEY;
if (!apiKey) throw new Error('Set WAVESPEED_API_KEY');

async function requestJson(url, options = {}) {
  const response = await fetch(url, options);
  if (!response.ok) throw new Error(await response.text());
  return response.json();
}

// 1. Submit the prediction.
const body = await requestJson(submitUrl, {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
        "video": "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4"
}),
});
const task = body.data ?? body;
if (!task.id) throw new Error("Submission response did not contain a prediction id");
const resultUrl = task.urls?.get ||
  `https://api.wavespeed.ai/api/v3/predictions/${task.id}/result`;

// 2. Poll until the prediction finishes.
while (true) {
  const resultBody = await requestJson(resultUrl, {
    headers: { "Authorization": `Bearer ${apiKey}` },
  });
  const result = resultBody.data ?? resultBody;
  if (result.status === "completed") {
    console.log(result.outputs);
    break;
  }
  if (["failed", "cancelled", "timeout"].includes(result.status)) throw new Error(JSON.stringify(result));
  if (!["created", "processing"].includes(result.status)) throw new Error("Unexpected status: " + result.status);
  await new Promise(resolve => setTimeout(resolve, 2000));
}
Python example
import json
import os
import time
from urllib.request import Request, urlopen

api_key = os.environ["WAVESPEED_API_KEY"]
headers = {"Authorization": f"Bearer {api_key}", "Content-Type": "application/json"}
payload = {
    "video": "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4"
}

def request_json(url, data=None):
    request = Request(url, data=data, headers=headers, method="POST" if data else "GET")
    with urlopen(request) as response:
        return json.load(response)

# 1. Submit the prediction.
body = request_json("https://api.wavespeed.ai/api/v3/sonilo/v1/video-to-video-sfx", json.dumps(payload).encode())
task = body.get("data", body)
if not task.get("id"):
    raise RuntimeError("Submission response did not contain a prediction id")
result_url = task.get("urls", {}).get("get") or f"https://api.wavespeed.ai/api/v3/predictions/{task['id']}/result"

# 2. Poll until the prediction finishes.
while True:
    result_body = request_json(result_url)
    result = result_body.get("data", result_body)
    status = result.get("status")
    if status == "completed":
        print(result.get("outputs", []))
        break
    if status in {"failed", "cancelled", "timeout"}:
        raise RuntimeError(result)
    if status not in {"created", "processing"}:
        raise RuntimeError(f"Unexpected status: {status}")
    time.sleep(2)

v1 Video To Video Sfx API — Frequently asked questions

What is the v1 Video To Video Sfx API?

v1 Video To Video Sfx is a Sonilo model for AI inference, exposed as a REST API on WaveSpeedAI. Sonilo Video to Video SFX adds AI-generated sound effects to input videos, creating a new video with a synchronized audio track for video sound design, ads, social content, games, and creative production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the v1 Video To Video Sfx API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID. Poll the result endpoint starting around every 2 seconds, increase the interval for long-running tasks, and stop on any terminal status. The playground generates production-oriented Python, JavaScript, and cURL examples with timeouts, transient-error handling, and safe GET retries. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/sonilo/sonilo-v1-video-to-video-sfx.

How much does v1 Video To Video Sfx cost per run?

v1 Video To Video Sfx starts at $0.009 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does v1 Video To Video Sfx accept?

Key inputs: `prompt`, `video`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/sonilo/sonilo-v1-video-to-video-sfx.

How long does v1 Video To Video Sfx take to generate?

Median end-to-end generation time on WaveSpeedAI is around 24 seconds per request, based on recent successful runs. Queue time varies with global demand; live status is visible in the prediction record.

Can I use v1 Video To Video Sfx outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Sonilo). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.

Sonilo Video to Video SFX | WaveSpeedAI