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Blow your real call. See it measured.

Not a soundboard. Not a quiz. You put your own duck or goose call to your lips, blow one note into your phone, and our Animal Call Comparison Tool (U.S. Pat. No. 12,646,526) lines it up against a world champion’s recorded masters.

Practice at home — this is a practice-at-home trainer for your calling, not a field device. Takes about a minute. No account, nothing to install.

What is about to happen

1
You blow your real call. The call already in your hand — a single-reed, a short-reed honker, whatever you own.
2
The engine measures it. Our Analytic Sound Comparison Engine reads the note and compares it to a champion’s measured masters — the invention covered by U.S. Patent 12,646,526, the Animal Call Comparison Tool.
3
You see where you actually sit. Your pitch against his band — real measured numbers, or an honest refusal where we have not measured it.

Step 1 · Pick your call

Duck and goose are the only two species with measured champion masters in the library today. Elk, deer and turkey have champion references in progress — we are not going to put up a band we have not measured.

Reading the measured library…

Step 2 · Blow one note

Before we ask: your browser will request the microphone because the engine has to hear the call you actually blow — and the audio is analyzed on this device, inside your browser; it is never uploaded, recorded, or sent to a server.

Step 3 · Two doors

The engine scores live browser capture on frequency, amplitude and timing only. The attack dimension is refused outright on this chain and we say so on-screen rather than printing a number we cannot stand behind. Champion masters and their provenance: every take, with its sha256. The patent record: patents & IP.