ADTS vs SOU — Comparison & Free Converter
Fast, instant ADTS to SOU conversion. No signup required. Just drop your .adts file and get .sou in seconds.
Batch Settings
About ADTS to SOU Conversion
ADTS or SOU — which format should you use? The answer depends on your needs. Here's a quick breakdown.
ADTS is a widely used file format. It has common platform support. SOU is a widely used file format. It has common platform support.
So when should you convert ADTS to SOU? This conversion is ideal when you When you need a SOU file. This conversion helps you convert between formats quickly.
Converting ADTS to SOU maintains high quality with CocoConvert's optimised encoder settings.
If you've decided SOU is the right choice, CocoConvert makes the conversion effortless. Upload your .adts file, pick SOU, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert ADTS to SOU
- 1
Choose your ADTS file
Upload your .adts file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to SOU
Select .sou from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large audio files.
- 4
Get your SOU file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert ADTS to SOU
Your ADTS file is decoded and re-encoded as SOU.
Your ADTS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SOU format
The converted file is ready for download
Format Comparison
ADTS
.adts file
| Extension | .adts |
| MIME Type | audio/aac |
| Category | Audio |
SOU
.sou file
| Extension | .sou |
| MIME Type | audio/x-sou |
| Category | Audio |
Should You Convert ADTS to SOU?
When to Convert
- ✓When you need a SOU file
Frequently Asked Questions
Should I use ADTS or SOU?
It depends on your goal. ADTS preserves full quality. SOU preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is SOU higher quality than ADTS?
Not necessarily. Converting ADTS to SOU maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert ADTS to SOU on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for ADTS to SOU?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for ADTS to SOU?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.