VP4 (On2 VP4)
VoxScriber extracts audio from videos with On2 VP4, an evolution of VP3 with bidirectional prediction for better compression.
Yes, we support VP4!
Technical Specifications
Advantages
- Broad compatibility with legacy players and systems
- VoxScriber extracts audio without prior manual conversion
- Accurate automatic transcription via AssemblyAI
Disadvantages
- Lossy compression — not ideal for final production masters
- Requires compatible container (.mov, .mkv, or .avi depending on the codec)
Use Cases
How It Works
Upload your file
Upload your VP4 file via browser or drag and drop.
Automatic transcription
Our AI transcribes the audio with high accuracy in minutes.
Download the result
Download the transcription as text, SRT, VTT or other formats.
Yes, we support VP4!
VoxScriber extracts audio from videos with On2 VP4, an evolution of VP3 with bidirectional prediction for better compression.
Frequently Asked Questions
Does VoxScriber support VP4 files?
Yes! VoxScriber fully supports VP4 files. Simply upload your file and our AI will automatically transcribe it with high accuracy.
What is the audio quality of VP4?
VP4 offers Good 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 VP4 file to text?
Go to VoxScriber, upload your VP4 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.
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