AC-4 (AC-4 Dolby Audio)
Next-generation Dolby audio format designed for streaming and broadcast. Offers superior compression efficiency and support for immersive audio.
Yes, we support AC-4!
Technical Specifications
Advantages
- High audio quality with great quality-to-size ratio
- Suitable for professional and commercial transcriptions
- Accepted directly, no conversion needed
- Accurate automatic transcription via AssemblyAI
Disadvantages
- Lossy compression — not ideal for final production masters
Use Cases
How It Works
Upload your file
Upload your AC-4 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 AC-4!
Next-generation Dolby audio format designed for streaming and broadcast. Offers superior compression efficiency and support for immersive audio.
Frequently Asked Questions
Does VoxScriber support AC-4 files?
Yes! VoxScriber fully supports AC-4 files. Simply upload your file and our AI will automatically transcribe it with high accuracy.
What is the audio quality of AC-4?
AC-4 offers Very 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 AC-4 file to text?
Go to VoxScriber, upload your AC-4 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.