Aften

Aften is a simple, open-source, A/52 (AC-3) audio encoder. Aften is commandline based - GUIs for Aften are available, AftenGUI or WAV to AC3 Encoder.

From the Author:

This program started as a simple cutting-out of the AC3 encoder from FFmpeg, but then I reworked the structure of the encoder a bit. Most of the basic code is still the same though. Here are some of the things I've changed so far:

• Implemented my own wav reader
• Converted the fixed-point algorithms to floating-point
• Rearranged the methods and structures
• Added stereo rematrixing (mid/side)
• Added short block MDCT and block switching
• Added VBR encoding mode
• Added variable bandwidth
• Added more complete WAV format support
• Added support for using the alternate bit stream syntax
• Created separate library and frontend
• Added input filters

Input Files: WAV
Output Files: AC3

Official Download Page Description: Download Aften from the official site

AVI to a DVD Compliant MPEG-2 File Using QuEnc Description: This guide shows you how to turn an AVI file into MPEG-2 compatible M2V/AC3 streams using QuEnc and other tools

Version 0.08

• Release Date: Sep 10, 2007
• Release 0.0.8 has mostly bug fixes since version 0.07. The versioning scheme for the Aften package has been changed to match the libaften shared library version number. A significant internal change is in the audio input module. Previous versions read WAVE files only, but for Aften 0.0.8, the audio input module was restructured to support raw PCM audio and to make it easier to provide future support for other audio formats.

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