Simulate your mix on phone, laptop, earbud, car, club, mono and noisy-street playback, export every render in a ZIP, and report what survives each system.

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Audio Loop Seam Finder

Analyze an audio file, rank the most seamless loop points by cross-correlation, and export the best trimmed loop with a wrap-around crossfade.

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Audio Melody Contour Extractor

Extract a dominant melody path from audio and export MIDI, note events, a pitch contour, SVG, and JSON in one ZIP.

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Audio Key Change for Singers

Transpose a song by key or semitones while preserving its duration and speed.

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Audio Groove Quantizer

Detect loop transients and pull them toward a beat grid, swing template, or a reference audio groove.

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Harmony Generator

Generate transposed harmony layers at musical intervals (3rd, 5th, octave above or below) over a vocal or melody.

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Language Learning Loop Maker

Turn speech phrases into a repeatable practice track with a configurable pause between repetitions.

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Meeting Recording Normalizer

Level a mixed meeting recording, reduce low rumble and keyboard-like clicks, and produce a meeting-ready audio file.

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Audio Interview Level Matcher

Match loudness between a host and a guest track (or any two voice takes) while preserving natural dynamics.

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Audio Filler Word Removal Map

Combine a timestamped transcript with the audio to mark filler words (um, uh, 嗯, 那个…) and optionally mute or remove them.

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Audio Hum Harmonic Remover

Remove 50/60Hz electrical hum and harmonic buzz from audio recordings.

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Audio Mouth Click Finder

Detect-style repair for lip smacks, saliva clicks, mouth ticks, and small voice-over clicks.