# aften を Homebrew, MacPorts, Nix, apt でインストール

aften 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:aften
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install aften
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install aften
```

  証拠: MacPorts ports tree: audio/aften/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#aften
```

  証拠: nixpkgs package indexes: pkgs/by-name/af/aften/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- Ubuntu apt (92%):

```sh
sudo apt install aften
```

  証拠: Ubuntu 24.04 LTS package indexes: aften from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

## パッケージ情報

- **パッケージキー:** brew:aften
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.0.8
- **ソース概要:** Audio encoder which generates ATSC A/52 compressed audio streams
- **ホームページ:** <https://aften.sourceforge.net/>
- **最終更新:** 2026-07-10T13:51:54-04:00
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- aften (エイリアス)
- wavfilter (エイリアス)
- wavinfo (エイリアス)
- wavrms (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: 0.0.8
## プロジェクトの歴史と使われ方

Aften is a command-line ATSC A/52 audio encoder for producing AC-3 streams, especially the kind used in DVD-Video workflows. The official homepage says the project began as a standalone command-line version of the FFmpeg AC-3 encoder and then accumulated functional, structural, and feature changes.

### プロジェクトの歴史

Aften's first versioned releases appeared in July 2006, according to the upstream changelog. Early work added command-line controls, multi-channel mapping, WAV input support, VBR adjustments, filters, a separate library/frontend split, and CMake builds.

By the 0.06 and 0.07 releases in 2007, the project had added SIMD detection, SSE/SSE3 and Altivec-related optimizations, CMake shared-library support, dynamic range compression, C++ bindings, parallelization, and improved bit-allocation logic. The final homepage-era release is listed as 0.0.8, with command-line help identifying the 2006-2007 authorship period.

### 採用の歴史

Aften came from the multimedia encoding world around FFmpeg, Doom9, Hydrogenaudio, and SourceForge-era development. The official homepage points users to an aften-devel mailing list, SourceForge bug reporting and git access, a Doom9 forum thread, and a project blog.

The supplied package facts show Aften still carried by Homebrew, MacPorts, Nix, and Ubuntu. Its continued packaging is less about active upstream churn and more about keeping a small AC-3 encoder available for scripts and older media-tool workflows.

### 使われ方

The primary executable encodes WAV input to AC-3 output with options for bitrate, quality, threading, SIMD disabling, dialog normalization, dynamic range compression, stereo rematrixing, block switching, and other A/52 bitstream parameters. Companion utilities in the package facts include wavfilter, wavinfo, and wavrms.

Aften is a package nerd's media tool because it is a small standalone encoder with a precise codec target. It is useful where a script wants AC-3 output without pulling in a larger transcoding workflow, but its upstream history is old enough that packagers usually care about build portability and whether SourceForge source links still resolve.

### パッケージ好きにとっての重要性

Aften represents the SourceForge multimedia era: a specialized codec tool, a CMake build, a small command-line frontend, and project communication spread across mailing lists, forums, and changelogs. Its package value is preservation and reproducibility more than rapid feature growth.

The official repository still being reachable through SourceForge's code browser matters because the old homepage advertises a git clone URL using the git protocol, which is not suitable as a modern HTTP repository URL.

### タイムライン

- 2006: Version 0.01 first versioned release.
- 2007: Version 0.07 added parallelization, bindings, and SIMD-related work.
- 2007: Version 0.0.8 documented as the most recent release on the official homepage.
- 2026: Supplied package facts still list Aften in Homebrew, MacPorts, Nix, and Ubuntu.

### Related projects

- FFmpeg is the origin point named by the Aften homepage for the standalone AC-3 encoder.
- ATSC A/52 is the bitstream specification Aften targets.
- liba52 and MPlayer are linked from the official homepage as neighboring A/52 and media-tool projects.

### ソース

- <https://aften.sourceforge.net/>
- <https://aften.sourceforge.net/buildhelp.html>
- <https://aften.sourceforge.net/longhelp.html>
- <https://sourceforge.net/p/aften/code/ci/master/tree/Changelog?format=raw>
- source_facts.package-manager


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal

## 他のパッケージマネージャ記録

- Nix - aften: normalized package name match | nixpkgs package indexes: pkgs/by-name/af/aften/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - aften - 0.0.8+git20100105-0ubuntu4: normalized package name match | Ubuntu 24.04 LTS package indexes: aften from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | audio AC3 encoder | http://aften.sourceforge.net/
- Ubuntu apt - libaften-dev - 0.0.8+git20100105-0ubuntu4: normalized package name match | Ubuntu 24.04 LTS package indexes: libaften-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | audio AC3 encoder - development files | http://aften.sourceforge.net/
- Ubuntu apt - libaften0 - 0.0.8+git20100105-0ubuntu4: normalized package name match | Ubuntu 24.04 LTS package indexes: libaften0 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | audio AC3 encoder - runtime files | http://aften.sourceforge.net/
- MacPorts - aften: normalized package name match | MacPorts ports tree: audio/aften/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/aften.yml](https://github.com/mxcl/pkgdb/blob/main/combined/aften.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph
