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.
Version 0.1.46 is permanently free with all 76 tools and modules. No usage quota, time limit, license key or subscription.
What it does
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).
How to use it
- 1Drag the call recordings into the list.
- 2Set the Enhancement Level (1-100, default 80).
- 3Pick an Optimization Profile: Phone, Radio or Crystal Clarity.
- 4Click Run.
Use cases
Polish call-centre recordings for review
Add the recordings, Phone profile, Level 80, run.
Recover speech from an old radio recording
Add the radio file, Radio profile, Level 90, run.
Sharpen the speaker on a meeting recording
Add the file, Crystal Clarity, Level 70, run.
Customer-complaint intelligibility
Add every call, Phone profile, Level 80, run.
Frequently asked questions
Is Call Optimizer free?
Yes. Version 0.1.46 is permanently free with all 76 tools and modules included. There is no usage quota or time limit, and no license key, account or subscription is required.
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 76 tools across 7 modules: one install, one app.
Full UI reference, step-by-step workflows, edge cases
Every input, button, and behavior documented for advanced users.