AI Subtitle Generator

AI generates timestamped subtitles with high accuracy using top AI models. It also supports translations in multiple languages.
1. Generate Subtitles: Creates timestamped subtitles in JSON format.
2. Synthesize Video: Adds subtitles to a video and returns it as an MP4 file.

1.1 Generate Subtitles (Create Task)

POST https://techhk.aoscdn.com/api/tasks/audio/recognition/{task_id}

Request Params

url * string

File URL: The file URL must be a valid HTTP URL. If the URL lacks a file extension, specify the extension parameter (e.g., extension=mp3). The maximum length is 512 characters. The download timeout is 5 minutes (failure if not completed in that time). The file duration is 3 hours and size is 4GB.
type * int

Mode: Enter 4
extension string

File Extension: Required if the URL path lacks a file extension.
language string

The output subtitle language is optional. By default, the system detects the audio and video languages automatically. You can specify a language for subtitle translation.Supported languages .
speaker_recognition int

Speaker Recognition: Detect different speakers, 0 - do not recognize (default), 1 - recognize.

Response Params

task_id string

Task ID: Required for subsequent progress queries.

curl --location 'https://techsz.aoscdn.com/api/tasks/audio/recognition' \ --header 'TaskSource: ApiKey' \ --header 'Content-Type: application/json' \ --header 'x-api-key: {YOUR-API-KEY}' \ --data ' { "url": "http://xxx.mp4", "type": 4 } '

using System; using System.IO; using System.Net; using System.Text; using System.Threading.Tasks; class Program { static async Task Main() => await SendRequest(); static async Task SendRequest() { string url = "https://techsz.aoscdn.com/api/tasks/audio/recognition"; try { var request = (HttpWebRequest)WebRequest.Create(url); request.Method = "POST"; request.Headers["TaskSource"] = "ApiKey"; request.Headers["Content-Type"] = request.ContentType = "application/json"; request.Headers["x-api-key"] = "{YOUR-API-KEY}"; string jsonData = "{\"url\":\"http://xxx.mp4\",\"type\":4}"; byte[] byteArray = Encoding.UTF8.GetBytes(jsonData); request.ContentLength = byteArray.Length; using (var requestStream = request.GetRequestStream()) await requestStream.WriteAsync(byteArray, 0, byteArray.Length); using (var response = await request.GetResponseAsync()) using (var responseStream = response.GetResponseStream()) using (var reader = new StreamReader(responseStream)) Console.WriteLine(await reader.ReadToEndAsync()); } catch (WebException e) { Console.WriteLine($"Request failed: {e.Message}"); if (e.Response != null) { using (var errorStream = e.Response.GetResponseStream()) using (var reader = new StreamReader(errorStream)) Console.WriteLine($"Error details: {await reader.ReadToEndAsync()}"); } } catch (Exception e) { Console.WriteLine($"An error occurred: {e.Message}"); } } }

import java.io.*; import java.net.*; import java.nio.charset.StandardCharsets; public class ApiRequest { public static void main(String[] args) { try { URL url = new URL("https://techsz.aoscdn.com/api/tasks/audio/recognition"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("POST"); connection.setRequestProperty("TaskSource", "ApiKey"); connection.setRequestProperty("Content-Type", "application/json"); connection.setRequestProperty("x-api-key", "{YOUR-API-KEY}"); connection.setDoOutput(true); String jsonData = "{\"url\":\"http://xxx.mp4\",\"type\":4}"; try (OutputStream os = connection.getOutputStream()) { os.write(jsonData.getBytes(StandardCharsets.UTF_8)); } int statusCode = connection.getResponseCode(); System.out.println("Response status code: " + statusCode); try (BufferedReader br = new BufferedReader( new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8))) { StringBuilder response = new StringBuilder(); String line; while ((line = br.readLine()) != null) response.append(line); System.out.println("Response content: " + response); } } catch (Exception e) { System.out.println("Request failed: " + e.getMessage()); e.printStackTrace(); } } }

import Foundation func sendRequest() { guard let url = URL(string: "https://techsz.aoscdn.com/api/tasks/audio/recognition") else { print("Invalid URL") return } var request = URLRequest(url: url) request.httpMethod = "POST" request.addValue("ApiKey", forHTTPHeaderField: "TaskSource") request.addValue("application/json", forHTTPHeaderField: "Content-Type") request.addValue("{YOUR-API-KEY}", forHTTPHeaderField: "x-api-key") let requestData: [String: Any] = [ "url": "http://xxx.mp4", "type": 4 ] do { request.httpBody = try JSONSerialization.data(withJSONObject: requestData) URLSession.shared.dataTask(with: request) { data, response, error in if let error = error { print("Request failed: \(error)") return } guard let data = data else { print("No data returned") return } do { if let result = try JSONSerialization.jsonObject(with: data) as? [String: Any] { print(result) } } catch { print("JSON parsing error: \(error)") } }.resume() } catch { print("JSON encoding error: \(error)") } } sendRequest();

package main import ( "bytes" "encoding/json" "fmt" "io/ioutil" "net/http" ) func main() { url := "https://techsz.aoscdn.com/api/tasks/audio/recognition" requestData := map[string]interface{}{ "url": "http://xxx.mp4", "type": 4, } jsonData, err := json.Marshal(requestData) if err != nil { fmt.Println("JSON encoding error:", err) return } req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonData)) if err != nil { fmt.Println("Error creating request:", err) return } req.Header.Set("TaskSource", "ApiKey") req.Header.Set("Content-Type", "application/json") req.Header.Set("x-api-key", "{YOUR-API-KEY}") client := &http.Client{} resp, err := client.Do(req) if err != nil { fmt.Println("Error sending request:", err) return } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { fmt.Println("Error reading response:", err) return } var result interface{} err = json.Unmarshal(body, &result) if err != nil { fmt.Println("JSON parsing error:", err) return } fmt.Println(result) }