Turn one music track into a complete remix pack: BPM, key (with Camelot), cue points, four Demucs stems, an MP3 preview, and a metadata JSON — all in one ZIP.

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Audio Automatic Fade Designer

Design and render musical fade-ins and fade-outs: bar-based lengths at your BPM or lengths auto-derived from detected silence, fades placed against the real music span, logarithmic curves, optional silence trimming.

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Audio Parallel Compression (New York Style)

Blend the dry signal with a heavily compressed, makeup-gained copy — upward compression that lifts quiet detail while the dry path keeps its punch, built from FFmpeg.

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Air Band Enhancer

Brighten dull vocals or masters with a high air shelf plus an exciter that synthesizes new top-end harmonics — the Aphex Aural Exciter architecture built from FFmpeg.

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Analog Tape Saturation

Run audio through a simulated tape machine: tanh magnetic soft clipping, speed-dependent head bump and HF rolloff, wow & flutter, and tape hiss — with 3.75/7.5/15/30 IPS presets.

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Tube Preamp Saturation

Add single-ended tube-preamp coloration: an asymmetric waveshaper whose bias control sets the even-harmonic warmth, with drive, tone tilt, dry/wet mix and output trim.

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Sub-Bass Mono Maker

Fold everything below your crossover to mono while keeping the stereo image above it — the elliptical-EQ move that protects vinyl cuts and mono-sub club systems.

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Blues / Ragas / Maqam Microtonal Pitch-Bend Tutor — MIDI 2.0, MPE and Scala .scl Encodings

Map world tunings — 7-limit just blues, Arabic maqamat (Rast/Bayati/Hijaz/Saba) on 24-EDO quarter tones, the 22-shruti table, gamelan slendro/pelog, 31-EDO, 53-EDO and the A440 harmonic grid — onto nearest-note + RPN fine tuning, MPE 14-bit bends at ±2/±24/±48/±96 semitones, MIDI 2.0 32-bit pitch bend, the MIDI 2.0 Pitch 7.9 note attribute, and a Scala .scl export.

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Seamless Ambience Loop

Turn a field recording into one seamless loop for games, meditation apps, or video background beds — quiet-seam placement, long equal-power crossfade, optional high-pass.

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Sidechain Pump Generator

Apply EDM-style tempo-synced pumping ducking to any audio without a kick-drum sidechain file — volume-envelope automation in the style of LFO Tool / Kickstart.

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Adaptive 12-Point Hidden Watermark

Add a subtle text watermark to one image or every supported image in a ZIP, at all, random, or chosen perimeter positions with automatic dark/light local contrast.