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











Use Sonix to quickly convert
Bulgarian 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 Bulgarian MTS file~1 min
Click “Upload” and locate the Bulgarian MTS file on your computer.
- 3Choose language: Bulgarian~10 sec
Select Bulgarian as the language spoken, then click “Transcribe”.
- 4Sonix transcribes your MTS file~5 min
Sonix transcribes your Bulgarian MTS file and converts it to Bulgarian text.
- 5Polish your Bulgarian transcript~2 min
Edit your Bulgarian transcript directly in the browser to correct any misheard words.
- 6Export Bulgarian text~10 sec
Export the Bulgarian text to MS Word, PDF, subtitles, or plain text.
Understanding Bulgarian MTS files
Bulgarian splits into Eastern and Western dialect groups along the yat vowel line, which changes how certain vowels are pronounced across the country. Standard Bulgarian, the norm in broadcasting and formal speech, draws mainly on northeastern dialects, so recordings of standard speech are the most predictable input for speech recognition.
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
Bulgarian at a glance
- Speakers
- ~8 million speakers worldwide
- Writing system
- Cyrillic alphabet
- Say hello
- Здравейте!
Frequently asked questions
How to improve the accuracy of your Bulgarian transcripts?
Start by improving the quality of the Bulgarian 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 Bulgarian MTS file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Bulgarian 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 Bulgarian 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 Bulgarian audio and video?
Yes. Upload your Bulgarian audio or video file, Sonix generates a transcript automatically, and you can review and edit it in the browser before exporting to formats like DOCX, PDF, or SRT.
Does Bulgarian transcription output Cyrillic text?
Yes. Bulgarian is written in the Cyrillic alphabet, and transcripts are produced in Cyrillic, matching how the language is normally written.
Does Sonix handle regional Bulgarian dialects?
Recognition is based on standard Bulgarian, so clear standard speech works best. Recordings with strong eastern or western dialect features can still be transcribed, but expect to spend more time reviewing them in the editor.
Trusted by professionals worldwide
Really fast to transcribe our audio files with high accuracy, we just had to correct some small words. I like the layout of the website, how pleasing to the eye and easy it is to edit your files, nothing was complicated and I wasn't ever 'stuck' on something and didn't know where to click etc, it was my first time ever using something like this and it was a breeze!
Sonix is the best transcription program I've ever used. It was almost error-free. I wish I could have used it longer!
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