Transcribe a long M2TS file from a Blu-ray disc or HD camcorder.
A long M2TS file is transcribed at about 2 minutes per audio hour, so a 4-hour recording comes back in roughly 8 minutes and uses 240 minutes of the $6 pack of 500. HD video in M2TS often runs 11 GB an hour or more, so a long one goes up best as its audio, up to 10 hours or 5 GB per file, with the first 20 minutes free.
M2TS, from disc to text
High-definition video is heavy. The speech inside it is light.
Where M2TS files come from
Blu-ray discs keep their video as .m2ts files inside a BDMV folder, and many programs rename camcorder .MTS clips to .m2ts when they copy them off the card. Disc-burned recordings of seminars, ceremonies and conferences often end up in this format.
How big an hour is
HD camcorder footage at around 24 Mbps is about 11 GB per hour, and Blu-ray video at higher rates can reach 18 GB. Even half an hour can pass the 5 GB ceiling, so a long M2TS rarely goes up as it is.
The quick conversion
Take the audio out with ffmpeg or VLC: ffmpeg -i talk.m2ts -vn -b:a 128k talk.mp3 writes about 58 MB per hour. If a short M2TS under 5 GB is refused by the upload, convert it to MP3 or MP4 the same way.
What the disc becomes
A brief with the thesis and takeaways, chapters with timestamps, the names, numbers and dates spoken, speakers named in the summary and key quotes, and captions as SRT or VTT for the original video.
Before and after
An M2TS file is mostly picture; the transcript only needs the sound.
✗ Sending the video
Uploading HD video for its words is slow and often too big.
- Eleven gigabytes or more for one hour
- Files refused at the 5 GB ceiling
- A disc split across several .m2ts files
- Hours of upload on a home connection
- Surround audio some tools cannot read
- Nothing to search until someone watches it
✓ Sending the audio
Extract the sound once and upload a small file.
- Roughly 58 MB an hour once it is audio
- A 4-hour recording ready in about 8 minutes
- One continuous clock for the whole disc
- 240 minutes of the $6 pack for four hours
- Chapters at each speaker or segment
- SRT for subtitling the original video
Sample
A seminar burned to Blu-ray.
Illustrative sample written for this page; not drawn from any real disc.
Export
One transcript. Five clean formats.
Every pack exports all five — no format is held back for a higher tier.
Plain text
De-ummed paragraphs. Ready to paste.
SRT captions
Timed to the speech. Every video editor reads this.
WebVTT
HTML5 player + YouTube uploads.
Show notes
Formatted with chapters and pull-quotes.
Machine-readable
Timestamped text for your own tools.
Pricing
Honest pricing, no surprises.
A pack from $6 (500 minutes) opens the full transcript. After that, no subscription and no auto-renew — every tier is a one-time minute pack, and credits never expire. Buy once, use the minutes whenever you need them.
Casual pack
$6/500 min
8 hours of audio — $0.72 an hour. One-time — credits never expire.
- 500 minutes of audio
- All export formats
- AI chat over the whole transcript
- Executive summary & key quote
Best value
$12/2,000 min
33 hours of audio — $0.36 an hour. Credits never expire.
- 2,000 minutes of audio
- Summary, chapters and key quotes
- All export formats
- AI chat over the whole transcript
Bulk pack
$24/5,000 min
83 hours of audio — $0.29 an hour. Credits never expire.
- 5,000 minutes of audio
- Summary, chapters and key quotes
- API access for batch pipelines
- All export formats
FAQ
Long M2TS questions.
How long does a 4-hour M2TS take?
About 8 minutes once the audio is uploaded, at roughly 2 minutes per audio hour. Extracting the audio usually takes a few minutes on a laptop.
What does it cost?
Four hours is 240 minutes on the $6 pack of 500. A run of eight 3-hour discs is 1,440 minutes, on the $12 pack of 2,000. Credits never expire.
Can I upload the M2TS without converting?
A file under 5 GB can be tried as it is, and over 2 GB it starts once a pack is on the account. Upload support for M2TS is not guaranteed, so if the upload refuses it, convert to MP3 or MP4 with ffmpeg or VLC.
My Blu-ray has several .m2ts files. Which do I use?
Usually the largest files in BDMV/STREAM are the main programme. Join them in order, or extract each one's audio and upload them in sequence.
What if the recording runs over 10 hours?
Split the audio into two files at a natural break and upload both; each part gets its own timestamps.
What comes back, and where is the file processed?
The disc's text downloads as TXT, DOCX, SRT, VTT or JSON, and the SRT lines up with the original M2TS video. Files are transcribed on our own servers and are never used for training, and the video itself can stay on your shelf.
Related
Camcorder and disc formats.
Pull the audio, upload it. Try the first 20 minutes free.
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