# arss を Homebrew でインストール
arss のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。
## インストール
```sh
sudo av install brew:arss
```
追加のインストールコマンド:
### macOS
- Homebrew (100%):
```sh
brew install arss
```
証拠: local Homebrew formula metadata
## パッケージ情報
- **パッケージキー:** brew:arss
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.2.3
- **ソース概要:** Analyze a sound file into a spectrogram
- **ホームページ:**
- **生成日時:** 2026-08-03T19:37:03+00:00
## 実行可能ファイル
- arss (エイリアス)
## インストール挙動
- Bottle: 利用不可
## バージョンと鮮度
- ページ生成日: 2026-08-03
- マネージャ版: 0.2.3
## プロジェクトの歴史と使われ方
ARSS, the Analysis & Resynthesis Sound Spectrograph, is Michel Rouzic's command-line audio/image experiment for analyzing sound into spectrogram images and resynthesizing spectrograms or other user-created images back into sound.
### プロジェクトの歴史
The official homepage says ARSS was formerly known as the Analysis & Reconstruction Sound Engine. It was developed by Michel Rouzic and hosted on SourceForge, with the site copyright spanning 2007-2009 and a footer noting that the site was in hiatus after its 23 February 2009 update.
The project had a compact but active 2008 development burst around version 0.2. The official news log records version 0.2 on 5 May 2008 with full command-line support, a major code reorganization, rewritten noise synthesis, brightness correction, and improved I/O; version 0.2.2 followed on 9 May with filtering-quality changes; version 0.2.3 followed on 30 May with linear frequency scaling, bounds checking, and fixes to brightness and noise-band behavior.
The same homepage records the 17 December 2008 release of Photosounder 1.0 and says Photosounder superseded ARSS while reusing most ARSS techniques in a graphical editor. That makes ARSS both a standalone CLI and a precursor to a later commercial or graphical spectrogram-synthesis workflow.
### 採用の歴史
ARSS attracted experimental audio users rather than broad system administrators. Its official examples emphasize creative workflows: storing sounds as images, editing audio features in image editors, synthesizing hand-drawn spectrograms, time stretching, pitch shifting, transmitting images over sound, and reproducing conventional audio effects through image manipulation.
The package-manager value is therefore niche preservation. A package keeps a small creative DSP tool available for audio hackers, sound artists, and curious developers even though the official site has been static for years and the successor moved into a graphical product.
### 使われ方
The official documentation is split into basic operation, command-line parameters, and scripting. Version 0.2's release notes specifically call out full command-line support so ARSS could be scripted and so front ends could be made for it.
Technically, ARSS combines a spectrograph using a base-2 logarithmic frequency scale with a spectrogram synthesizer. The homepage says it uses a filter-bank and envelope-detection approach rather than the short-time Fourier transform approach used by many spectrographs, then resynthesizes image rows as envelopes for sine or noise bands.
### パッケージ好きにとっての重要性
ARSS is a delightful package-manager oddity: a small, old, source-available creative DSP CLI that turns WAV files and images into each other. It is not infrastructure, but it preserves a very specific experimental workflow that would otherwise disappear behind a dead download page.
The official code page publishes the 0.2.3 source as individual C modules for DSP, image I/O, sound I/O, and utilities. It is source publication rather than an official VCS repository, so repository metadata should remain null.
### タイムライン
- 2007-2009: Official site copyright span.
- 2008-05-05: ARSS 0.2 released with command-line support, rewritten noise synthesis, and reorganized code.
- 2008-05-30: ARSS 0.2.3 released.
- 2008-12-17: Photosounder 1.0 released, incorporating core ARSS techniques.
- 2009-02-23: Official site footer marked the site as last updated and in hiatus.
### Related projects
- Photosounder is the stated successor using many ARSS techniques.
- FFTW is part of the build context documented by the official macOS compile command.
- Image editors are part of the intended workflow for manipulating spectrograms.
### ソース
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## セキュリティノート
narrow executable package without higher-risk signals.
- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals
## Combined YAML source
View the package source record on GitHub. [combined/arss.yml](https://github.com/mxcl/pkgdb/blob/main/combined/arss.yml)
## ソース
- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph