HNM4 (HNM 4 video)
VoxScriber extracts audio from videos using the HNM4 codec, the fourth version of Cryo's format for adventure game cinematics.
Yes, we support HNM4!
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
- Limited audio quality may reduce transcription accuracy
- Requires a compatible container (.mov, .mkv, or .avi depending on the codec)
Use Cases
How It Works
Upload your file
Upload your HNM4 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 HNM4!
VoxScriber extracts audio from videos using the HNM4 codec, the fourth version of Cryo's format for adventure game cinematics.
Frequently Asked Questions
Does VoxScriber support HNM4 files?
Yes! VoxScriber fully supports HNM4 files. Simply upload your file and our AI will automatically transcribe it with high accuracy.
What is the audio quality of HNM4?
HNM4 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 HNM4 file to text?
Go to VoxScriber, upload your HNM4 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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