en
Audio Format Good Popular Directly accepted

AMR (Adaptive Multi-Rate)

Specialized in human voice. Standard in Brazilian courts (ESAJ/PJE) and legacy recorders.

Yes, we support AMR!

Technical Specifications

Max File Size 500MB
Max Duration 24h+
Sample Rate 8kHz
Compression Lossy

Advantages

  • Extremely lightweight
  • Focus on speech

Disadvantages

  • Low fidelity for music

Use Cases

Court HearingsPolice Testimonies

How It Works

1

Upload your file

Upload your AMR 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 AMR!

Specialized in human voice. Standard in Brazilian courts (ESAJ/PJE) and legacy recorders.

Frequently Asked Questions

Does VoxScriber support AMR files?

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

What is the audio quality of AMR?

AMR 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 AMR file to text?

Go to VoxScriber, upload your AMR 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.