en
Video Format Basic Specialized Directly accepted

H.261 (raw H.261)

First ITU standard for digital videoconferencing, historical basis for all subsequent H.26x codecs.

Yes, we support H.261!

Technical Specifications

Max File Size 5 GB
Max Duration 10 horas
Compression Lossy

Advantages

  • Broad compatibility with legacy players and systems
  • Accepted directly without need for conversion
  • Accurate automatic transcription via AssemblyAI

Disadvantages

  • Lossy compression — not ideal for final production masters
  • Limited audio quality can reduce transcription accuracy

Use Cases

Video distributionOnline streamingSocial media and presentationsContent archiving

How It Works

1

Upload your file

Upload your H.261 file via browser or drag and drop.

2

Automatic transcription

Our AI transcribes the audio with high accuracy in minutes.

3

Download the result

Download the transcription as text, SRT, VTT or other formats.

Yes, we support H.261!

First ITU standard for digital videoconferencing, historical basis for all subsequent H.26x codecs.

Frequently Asked Questions

Does VoxScriber support H.261 files?

Yes! VoxScriber fully supports H.261 files. Simply upload your file and our AI will automatically transcribe it with high accuracy.

What is the audio quality of H.261?

H.261 offers Basic audio quality with Lossy compression. This makes it suitable for most transcription use cases — our AssemblyAI engine extracts audio accurately regardless of compression level.

How do I transcribe a H.261 file to text?

Go to VoxScriber, upload your H.261 file (up to 5 GB / 10 hours), select the language and click transcribe. Your result will be ready in minutes as text, SRT or VTT.