Call Optimizer

Use this to make call-centre recordings easier to listen to, recover speech from old phone calls, or sharpen a field recording where the speaker is hard to hear. Supports MP3, WAV and telephony codecs (GSM, AMR).

Local processing

Runs on your CPU/GPU. No file leaves your machine.

Batch ready

Process dozens or thousands of files in one run.

Part of BulkPro

Bundled with 78 tools across 7 modules: one install, one app.

Detailed documentation

Full UI reference, step-by-step workflows, edge cases

Every input, button, and behavior documented for advanced users.

Open documentation