mp42aac

mp42aac is a tool to extract a raw AAC elementary stream from an MP4 file.

Running the tool without any argument will print out a summary of the tool’s command line options and parameters.

Usage

MP4 To AAC File Converter - Version 1.0
(Bento4 Version 1.4.3.0)
(c) 2002-2008 Axiomatic Systems, LLC

usage: mp42aac [options] <input> <output>
  Options:
  --key <hex>: 128-bit decryption key (in hex: 32 chars)