Accurately convert Thai VOB files to text
Sonix automatically transcribes your Thai VOB files to text in minutes. Access industry-leading artificial intelligence and the days of manually transcribing your Thai VOB 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 VOB files to text











Use Sonix to quickly convert
Thai VOB 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 VOB file~1 min
Click “Upload” and locate the Thai VOB file on your computer.
- 3Choose language: Thai~10 sec
Select Thai as the language spoken, then click “Transcribe”.
- 4Sonix transcribes your VOB file~5 min
Sonix transcribes your Thai VOB 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 VOB 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.
VOB technical specifications
- Codec
- MPEG-2 video (MPEG-1 permitted); AC-3, DTS, LPCM, or MP2 audio
- Container
- MPEG-2 Program Stream (DVD-Video profile)
- Typical bitrate
- 3.5–9.8 Mbps video (DVD total mux rate capped at 10.08 Mbps)
- Sample rate
- 48 kHz audio (96 kHz allowed for LPCM)
- Compression
- Container (varies)
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 VOB 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 VOB file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Thai VOB file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from VOB, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Thai with Sonix:
Why is my DVD split into several VOB files?
The DVD-Video specification limits each VOB segment to 1 GB, so longer titles are stored as sequential files (VTS_01_1.VOB, VTS_01_2.VOB, and so on) inside the VIDEO_TS folder. You can transcribe each segment separately or join them into a single file first for one continuous transcript.
My VOB has multiple audio tracks — which one gets transcribed?
VOB files can multiplex several audio streams, such as different languages or a commentary track. Transcription uses one audio stream at a time, so if you need a track other than the default, extract or remux that stream before uploading.
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.
Trusted by professionals worldwide
Very high accuracy transcription with noisy tapes / accents. The ability to edit as you listen is incredible. I haven't been impressed with code to this extent since the release of google maps.
Surprisingly accurate transcription across a number of European accents (Yorkshire, Scottish, Oxford, Italian!)
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