1)   Maven3D Professional 1.32
Video referenced 3D sound editing program. Record, edit and mix 5.1 pro quality (24/96) Surround Sound. 3D effects include Sound Image, Surround Panning, and Sound field. Windows Media Compatible. Optional Dolby Digital AC3 and MPEG2 AAC codecs.
3D audio editor, 3d sound, aac, ac3 codec, ac3 decoder, ac3 encoder, ac3, ac-3, video, mp3,

 2)   AC3Tools Pro 1.0.228
AC3Tools Pro is the complete professional suite for AC3 files processing that enables to decode AC3 files and extract each channel from an AC3 file into separate files.
AC3, ac3, ac3 encoder, ac3 decoder, convert ac3 file, ac3 converter,