en
Audio Format Variable Specialized Directly accepted

ADPCM 4XM (ADPCM 4X Movie)

ADPCM codec used in the 4X Movie video format. Used in old PC games that employed the 4X Technologies video engine.

Yes, we support ADPCM 4XM!

Technical Specifications

Max File Size 5 GB
Max Duration 10 horas
Compression Lossy

Advantages

  • Broad compatibility with legacy players and systems
  • Accepted natively without conversion
  • Accurate automatic transcription via AssemblyAI

Disadvantages

  • Lossy compression — not ideal for final production masters
  • Requires a compatible container (.mov, .mkv, or .avi depending on the codec)

Use Cases

Professional audio processingRecording and archivingStreaming and distributionMusic production

How It Works

1

Upload your file

Upload your ADPCM 4XM 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 ADPCM 4XM!

ADPCM codec used in the 4X Movie video format. Used in old PC games that employed the 4X Technologies video engine.

Frequently Asked Questions

Does VoxScriber support ADPCM 4XM files?

Yes! VoxScriber fully supports ADPCM 4XM files. Simply upload your file and our AI will automatically transcribe it with high accuracy.

What is the audio quality of ADPCM 4XM?

ADPCM 4XM offers Variable 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 ADPCM 4XM file to text?

Go to VoxScriber, upload your ADPCM 4XM 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.