Comfort Noise (RFC 3389 Comfort Noise Generator)
Comfort noise codec per RFC 3389 for VoIP. Generates background noise during silence in phone calls to prevent the sensation of disconnection.
Yes, we support Comfort Noise!
Technical Specifications
Advantages
- Broad compatibility with players and legacy systems
- Accepted directly without conversion
- Accurate automatic transcription via AssemblyAI
Disadvantages
- Lossy compression — not ideal for final production masters
- Limited audio quality may reduce transcription accuracy
- Requires compatible container (.mov, .mkv, or .avi depending on codec)
Use Cases
How It Works
Upload your file
Upload your Comfort Noise 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 Comfort Noise!
Comfort noise codec per RFC 3389 for VoIP. Generates background noise during silence in phone calls to prevent the sensation of disconnection.
Frequently Asked Questions
Does VoxScriber support Comfort Noise files?
Yes! VoxScriber fully supports Comfort Noise files. Simply upload your file and our AI will automatically transcribe it with high accuracy.
What is the audio quality of Comfort Noise?
Comfort Noise 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 Comfort Noise file to text?
Go to VoxScriber, upload your Comfort Noise 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.