All Tools [ audio bench ]

GSM to DTS-HD - Online Audio Converter

Convert GSM to DTS-HD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

[+] Drop GSM audio here or click to select GSM
DTS-HD (DTS)

About GSM to DTS-HD

Convert GSM to DTS-HD. GSM 06.10 encodes European mobile speech at 13 kbps. DTS-HD adds lossless extensions over the DTS core track. Extension layers may not decode everywhere; verify channel count..

Why convert GSM to DTS-HD?

GSM vs DTS-HD

CodecGSMDTS
Compressionlossylossless
Sample behaviorQuality set by bitrateFull quality kept
Typical useGSM 06.10 encodes European mobile speech at 13 kbps.DTS-HD adds lossless extensions over the DTS core track.

When not to convert GSM to DTS-HD

Limits

Starting point: GSM - GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration. Extension layers may not decode everywhere; verify channel count. Encode DTS-HD (DTS) from GSM at 256k for music or 128k for speech, starting from the master.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

Related conversions

How do I convert GSM to DTS-HD?
Drop your GSM file onto this page, choose quality and codec settings, then click Convert. The result downloads as DTS-HD instantly. All processing runs in your browser.
What codec is used for DTS-HD?
The default codec for DTS-HD is DTS. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.