dupsonic

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Find duplicate audio files using acoustic fingerprinting (chromaprint/AcoustID)

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ZIP 다운로드

- - ci.yml
  - release.yml
- pre-commit
- - mod.rs
  - mp4.rs
- acoustid.rs
- database.rs
- exec.rs
- fingerprint.rs
- fpcalc.rs
- hash.rs
- identify.rs
- keep.rs
- lib.rs
- main.rs
- matcher.rs
- output.rs
- scanner.rs
- tags.rs
- web.rs
- web_ui.html
- integration_test.rs
.gitignore
ADVANCED.md
Cargo.toml
CONTRIBUTING.md
README.md

# CDN으로 사용하기

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// repository documentation

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[![Crates.io](https://img.shields.io/crates/v/dupsonic)](https://crates.io/crates/dupsonic)
[![License: GPL-2.0-or-later](https://img.shields.io/crates/l/dupsonic)](https://raw.githubusercontent.com/zas/dupsonic/main/LICENSE)
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Find duplicate audio files by how they **sound**, not by filename or tags.

dupsonic uses acoustic fingerprinting to detect duplicates regardless of format, bitrate, or metadata — the same MP3 and FLAC of a track will be matched, even if their tags differ completely.

## Quick start

```bash
dupsonic scan ~/Music       # fingerprint your library (only once, ~6s for 2000 files)
dupsonic find-dupes         # show duplicate groups
```

Or just:

```bash
dupsonic scan               # auto-detects your Music folder on first run
dupsonic find-dupes
```

Output:

```
── Duplicate Group a6bacb6d (2 files, 97% similar) ──
  ~/Music/Artist/Album/track.flac (3:18)
  ~/Music/Downloads/track.mp3 (3:18)

── Duplicate Group 759f5320 (2 files, 97% similar) ──
  ~/Music/Artist/Album/song.flac (2:52)
  ~/Music/Old/song.ogg (2:52)

Summary: 2 duplicate groups, 2 redundant files
```

Files are sorted by quality (best first). Remove duplicates with:

```bash
dupsonic find-dupes --exec "mv {} /tmp/dupes/" --keep best          # preview
dupsonic find-dupes --exec "mv {} /tmp/dupes/" --keep best --apply  # execute
```

See [ADVANCED.md](ADVANCED.md) for the full command reference, `--keep` strategies, output formats, and configuration.

## Install

**From crates.io** (requires Rust toolchain):

```bash
cargo install dupsonic
```

**Pre-built binaries** from [GitHub Releases](https://github.com/zas/dupsonic/releases):

```bash
# Linux
curl -LO https://github.com/zas/dupsonic/releases/latest/download/dupsonic-linux-x86_64.tar.gz
tar xzf dupsonic-linux-x86_64.tar.gz
sudo mv dupsonic /usr/local/bin/

# macOS (Apple Silicon)
curl -LO https://github.com/zas/dupsonic/releases/latest/download/dupsonic-macos-aarch64.tar.gz
tar xzf dupsonic-macos-aarch64.tar.gz
sudo mv dupsonic /usr/local/bin/
```

**Windows:** download `dupsonic-windows-x86_64.zip` from the [releases page](https://github.com/zas/dupsonic/releases), extract `dupsonic.exe`, and place it in your PATH.

## Why dupsonic?

Existing tools fail at cross-format duplicate detection:

- **[Czkawka](https://github.com/qarmin/czkawka), [dupeGuru](https://github.com/arsenetar/dupeguru)** — compare metadata or file hashes only. Same song in FLAC and MP3? Not detected.
- **[Duplicate Cleaner](https://www.duplicatecleaner.com/)** — claims audio comparison but [struggles with cross-format matching](https://community.metabrainz.org/t/extremely-large-music-collection-needs-advice-on-what-dedupe-program-to-use/608781).
- **Manual comparison** — impossible with 10k+ files.

dupsonic fingerprints the actual audio using [Chromaprint](https://acoustid.org/chromaprint) (the same technology behind [MusicBrainz Picard](https://picard.musicbrainz.org/)) and compares fingerprints to find duplicates.

## Supported formats

MP3, FLAC, OGG/Vorbis, Opus, WAV, M4A/AAC, WMA, AIFF, APE, WavPack, Musepack, WebM/MP4 audio.

## Performance

Benchmark with 2025 files (mixed FLAC/MP3 collection):

| | dupsonic (15s) | dupsonic (120s) | soundalike (15s) |
|---|---|---|---|
| **Scan** | **~6s** | 36s | 2m 38s |
| **Find dupes** | 0.04s | 0.04s | (included in scan) |
| **Total** | **~6s** | **36s** | **2m 38s** |
| **Duplicates found** | 33 groups | 33 groups | 32 groups |

Designed for 100k+ file collections: parallel scanning, incremental cache, LSH-based O(n) matching, batched database writes.

## Web UI

For headless servers (NAS, Raspberry Pi), dupsonic includes a built-in web interface:

```bash
dupsonic serve                                          # http://127.0.0.1:8080 (localhost)
dupsonic serve --bind 0.0.0.0:8080                      # expose on network
dupsonic serve --bind 0.0.0.0:8080 --allow-ip 192.168.1.0/24   # restrict to LAN
```

Open from any browser on your network. Features: scan, find duplicates, view quality details, delete (moves to system trash with undo), exclude.

See [ADVANCED.md](ADVANCED.md#web-ui) for access control options (`--allow-ip`, `DUPSONIC_BIND`, `DUPSONIC_ALLOW_IP`).

## Similar projects

**[soundalike](https://codeberg.org/derat/soundalike)** by Daniel Erat — a mature Go tool using Chromaprint. Lightweight, has built-in move/delete commands. Requires external `fpcalc`, defaults to 15s fingerprints, no [MusicBrainz](https://musicbrainz.org/) integration.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md) for build instructions, architecture overview, and development workflow.

## License

GPL-2.0-or-later

dupsonic

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