Accurately convert Thai MTS files to text
Sonix automatically transcribes your Thai MTS files to text in minutes. Access industry-leading artificial intelligence and the days of manually transcribing your Thai MTS files are long gone. Thai speech to text: Sonix has been independently reviewed the most accurate Thai automated transcription, translation, and subtitling platform.
Free to start — no credit card required.
Thousands of Sonix customers convert their Thai MTS files to text











Use Sonix to quickly convert
Thai MTS files to text
- 1Log into your Sonix account~30 sec
If you don't have one, you can sign up for Sonix's free account — Your free trial includes 30 minutes of transcription and translation.
- 2Upload your Thai MTS file~1 min
Click “Upload” and locate the Thai MTS file on your computer.
- 3Choose language: Thai~10 sec
Select Thai as the language spoken, then click “Transcribe”.
- 4Sonix transcribes your MTS file~5 min
Sonix transcribes your Thai MTS file and converts it to Thai text.
- 5Polish your Thai transcript~2 min
Edit your Thai transcript directly in the browser to correct any misheard words.
- 6Export Thai text~10 sec
Export the Thai text to MS Word, PDF, subtitles, or plain text.
Understanding Thai MTS files
Standard Thai, based on the Central Thai spoken in and around Bangkok, dominates broadcasting, education, and most recorded media, and it is the variety speech recognition models target. Regional varieties — Northern Thai (Kham Mueang), Northeastern Thai (Isan, closely related to Lao), and Southern Thai — differ noticeably in tones and vocabulary, so heavily dialectal recordings typically need more editing.
MTS technical specifications
- Codec
- H.264/AVC video with Dolby Digital (AC-3) or linear PCM audio
- Container
- MPEG-2 Transport Stream (AVCHD)
- Typical bitrate
- 5–24 Mbps video (up to 28 Mbps in AVCHD 2.0)
- Sample rate
- 48 kHz (audio track)
- Compression
- Lossy
Thai at a glance
- Speakers
- ~60 million speakers worldwide
- Writing system
- Thai script (written left to right, with no spaces between words)
- Say hello
- สวัสดี!
Frequently asked questions
How to improve the accuracy of your Thai transcripts?
Start by improving the quality of the Thai MTS file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.
Any advice for the Thai MTS file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Thai MTS file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from MTS, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Thai with Sonix:
Why won't my MTS file play on my computer?
MTS files use the AVCHD transport-stream structure, which some default media players do not support, and clips copied out of the camcorder's AVCHD folder can lose playback context. Opening the file in VLC or remuxing it to MP4 usually resolves the issue.
Do I need to convert MTS to MP4 before transcribing?
No. You can upload the MTS file directly, and its audio track is extracted and transcribed the same way as an MP4 upload.
Can Sonix transcribe Thai audio and video files?
Yes. Upload your Thai audio or video file, and Sonix converts it to text that you can proofread in the in-browser editor and export to formats such as Word documents or subtitle files.
Does Thai transcription handle Isan or other regional dialects?
Thai speech recognition is built around Standard (Central) Thai. Recordings with strong Isan, Northern, or Southern dialect speech can still be transcribed, but plan for additional proofreading time in the editor.
Can I create Thai subtitles from my transcript?
Yes. After transcribing and polishing your Thai transcript, you can export it as SRT or VTT subtitle files for video captioning.
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