How do I accurately convert my MTS files to closed captions? 
Sonix uses the latest automated transcription technology to convert your audio files (*.mts) to closed captions. Follow these six steps and see how magical it is:
Step 1
Sign up for a free Sonix trial account—includes 30 minutes of free MTS to captions conversion.
Step 2
Upload the MadTracker 2 Sample File file(s) (*.MTS) from your computer, Dropbox, Google Drive, or by dragging it on the page.
Step 3
Choose the language spoken in the uploaded MTS file. We support over 49 different languages including Russian, Chinese, Spanish, and English. Click the 'Start Transcribing Now' button.
Step 4
Sonix will then automatically transcribe the audio from your MTS file and convert it to a simple text format. Grab a cupcake, it will take only a few minutes.
Step 5
Use the Sonix AudioText Editor to polish your transcript before we convert it to a caption file. Simply type in your browser to correct any words in your transcript.
Step 6
Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the closed caption version of your MTS file. You can also adjust the character length and time duration length of each caption.
That's it! Your MTS file has now been converted to closed captioning and is ready for the next step in your workflow!
Thousands of customers create closed captions from their MTS files with Sonix 
Frequently Asked Questions for MadTracker 2 Sample File (*.MTS) to subtitle 
What is a MTS file?
MTS files are also Advanced Video Codec High Definition (AVCHD) video files that contain high definition MPEG videos that have been captured by certain models of video camcorders. Originally designed by Sony and Panasonic for their High Definition camcorders, JVC, Sanyo, and Canon camcorders also now record audio and video in the MTS file format. Typically MTS videos have high definition streams and support both 720p and 1080i HD videos.
Does Sonix transcribe audio files with a *.MTS file extension?
Yes, Sonix does automatically transcribe audio files with a .MTS file extension. Sonix is an online audio to text converter. Convert any audio (mts, mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.MTS files and converts them to text in a subtitle format.
Know anyone who needs to convert MadTracker 2 Sample File (.MTS) to subtitle?
We'd appreciate it if you tell them about Sonix—the best way to convert MTS to subtitle.
Other ways to convert your MTS audio files with Sonix
MTS to text
Use the most accurate speech-to-text technology to convert files: MTS to text.
MTS to docx
Accurately transcribe your MTS file to Microsoft Word Format (docx) so you can bring the transcript into your workflow.
MTS to PDF
Easily transcribe your MTS file to Adobe's Portable Document Format (pdf) so you can share them with colleagues.
MTS to subtitles
Create subtitles for your MTS files to make them more accessible for your audience.
MTS to srt
Quickly create subtitles from your MTS files and save them as SRTs, one of the most widely supported subtitle formats.
MTS to VTT
Create more advanced captions for your MTS files by using the latest caption format VTT (Video Text Tracks).
Create closed captions from your MadTracker 2 Sample File files with Sonix 
Sonix automatically transcribes and translates your audio/video files in 49+ languages. Easily search, edit, and share your media files. Sonix is an online, fully-automated speech to text service that quickly converts MadTracker 2 Sample File files to captions. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription
