01 · High-Precision Audio MIR Engine
Camelot & Open Key detection.
Fast DSP chromagram analysis detects key, scale, and harmonic mixing compatibility across your entire music library.
02 · BPM & Energy Profiling
Tempo & dynamic range mapping.
Calculates exact BPM, tempo stability, RMS energy dynamics, and optimal drop/cue locations for seamless DJ transitions.
03 · Lossless ID3 Tag Writing
Compatible with Rekordbox & Serato.
Writes standard initial key, BPM, and energy tags into AIFF, WAV, MP3, M4A, and FLAC files without touching audio samples.
What it does
K/01
Batch musical key & BPM analysis.
Analyze thousands of tracks locally with multi-core Apple Silicon acceleration.
Camelot Key · BPM
K/02
ID3 & Rekordbox tag export.
Inject metadata into audio files for instant DJ software compatibility.
ID3v2 · Serato · Rekordbox
Silo Key · Coming soon
On-device processing. No account, analytics, or telemetry.