Hardcode Mongolian subtitles into video

Burn-in (hardcoded) subtitles are permanently embedded in the video pixels and cannot be turned off. Soft subtitles (SRT/VTT) are separate files that viewers can toggle on/off. Burn-in is ideal for social media where caption support is inconsistent.

Yes! Sonix offers extensive styling options including font family, size, color, background color, opacity, and position (top, middle, bottom). Preview your style in real-time before rendering.

Sonix preserves your original video quality during the burn-in process. We use high-quality rendering to ensure subtitles look crisp and professional without degrading your footage.

Processing time depends on video length and resolution. A typical 10-minute 1080p video takes about 5-10 minutes to render. You'll receive an email notification when your video is ready.

Sonix exports burned-in videos as MP4 files with H.264 encoding—the most universally compatible video format. Your video will play on virtually any device or platform.

No. Once subtitles are burned in, they're permanent. We recommend thoroughly reviewing and editing your transcript in the Sonix editor before rendering. You can always create a new burn-in version if needed.

Yes. Upload your Mongolian audio or video file, select Mongolian as the language, and Sonix generates a transcript you can edit, search, and export.

Standard Mongolian in Mongolia is written in Cyrillic, and speech recognition models output Cyrillic text. Content in the traditional vertical script used in Inner Mongolia would need separate conversion after transcription.

Speech recognition for Mongolian is generally trained on the Khalkha standard, so other varieties may need more manual correction. The built-in editor lets you review the transcript alongside the audio and fix any misrecognized words.