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Aften is a simple, open-source, A/52 (AC-3) audio encoder.
Language: English
Ease of use: Not Rated
Latest Version: 0.08 (details)
OS Support: Linux/Unix Win32 Command Line
License: Open Source
Last Updated:
Page Viewed: 23892 times


Download: Official Download Page   Official Download Page

Description:Download Aften from the official site


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


Main Categories: Audio
Sub Categories:

Supported File Formats:

Input Files: WAV
Output Files: AC3

OS Compatibility:

Linux/Unix/Win32 Command Line

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

Revision History:

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.
View complete revision history

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