FreqCheck™
Archival Processing
FreqCheck features a universal media import engine that reads industry-standard WAV, FLAC, AIFF, and MP3 files up to 24-bit / 384kHz directly on your iPhone or iPad.
Your team evaluates historical noise recordings, prior field captures, and legacy acoustic archives without purchasing expensive desktop workstation software or waiting for laboratory scheduling.
You instantly unlock years of existing data already in your possession, turning previous tests into newly certified, cryptographically sealed measurement reports that hold up in liability disputes, client reviews, and compliance audits.
EVERY HISTORICAL RECORDING YOU OWN IS READY FOR CERTIFIED VERIFICATION TODAY.The offline import pipeline uses the exact same mathematical engine that powers live Pro Input Mode and the Dynamic Pulse Sequence (DPS), decoding files with native amplitude integrity and full dynamic sample rate accuracy.
Whether auditing a continuous low-frequency hum or an explosive high-SPL transient, your analysis retains complete mathematical purity from the first sample to the last.
You gain absolute trust in your findings because every reading matches the precision of a live laboratory test.
YOUR ARCHIVED DATA PRODUCES THE SAME ROCK-SOLID TRUTH AS A LIVE BENCH INSTRUMENT.You may notice an 80 Hz test tone reports back as approximately 79.4 Hz — and that reflects true metrological rigor. FreqCheck displays the exact mathematical center of its FFT frequency bin rather than cosmetically altering numbers. An instrument that reports unaltered physics provides the legal defensibility and integrity modern industry demands.
FULL ALGORITHMIC DISCLOSURE PROTECTS THE CREDIBILITY OF YOUR REPORTS. Read the Full Technical Disclosure →Direct download links for the exact 384kHz / 32-bit float synthetic test files used in our laboratory benchmarks are provided below. Import them into FreqCheck, and run the identical files through your existing desktop analyzers side by side.
You prove the software's accuracy in your own hands before ever committing field resources.
WHEN THE NUMBERS MATCH ON YOUR OWN SCREEN, YOU HAVE VERIFIED THE STANDARD INDEPENDENTLY.WAV delivers raw, uncompressed PCM audio directly to the IND CORE™ engine with zero signal loss.
This provides an unadulterated baseline test of mathematical accuracy across both sub-Hz infrasound and wideband acoustic spikes.
Your team establishes reference-grade baseline evidence that every laboratory and regulatory body trusts implicitly.
UNCOMPRESSED AUDIO DELIVERS THE PUREST BENCHMARK IN ACOUSTIC METROLOGY.The engine unpacks FLAC files losslessly, retaining full dynamic range and low-frequency telemetry.
You preserve complete laboratory-grade accuracy while cutting digital storage overhead in half.
Your enterprise maintains massive, high-resolution test libraries efficiently without sacrificing data integrity.
YOU STREAMLINE YOUR ARCHIVAL STORAGE WHILE KEEPING FULL SCIENTIFIC PRECISION.FreqCheck processes 32-bit AIFF containers natively with Apple-optimized signal throughput.
Engineering sound libraries and studio recordings open instantly with zero conversion steps.
You leverage existing Apple-ecosystem assets immediately, saving labor and moving straight to certified reporting.
INSTANT COMPATIBILITY ACCELERATES YOUR WORKFLOW ACROSS ALL APPLE ARCHIVES.The engine extracts structural acoustic peaks from standard MP3 containers and maps them into strict FFT arrays.
Field recordings captured on standard voice recorders or consumer devices remain fully analyzable.
You extract forensically defensible insights from real-world audio even when ideal studio equipment was unavailable.
EVERY FILE SOURCE DELIVERS ACTIONABLE INTELLIGENCE WHEN IT MATTERS MOST.Whatever the recording format, whatever its age, FreqCheck applies the same certified, NIST-traceable math across every single sample.
BRING THE FILE. SECURE THE PROOF. ESTABLISH THE RECORD.