1)   DVDZip Lite 2.8.1.1
DVDZip Lite enables you to make MP3/WMA/WAV/OGG /RA/RAM/ AAC/MP4/APE/FLAC/VQF audio file format backup copies of all your DVD movies!
DVDZip Lite, VOB to MP3, VOB TO WMA, VOB TO WAV, VOB TO OGG, VOB TO AAC, VOB TO RAM, VOB TO MP4, VOB TO APE, VOB TO FLAC,

 2)   GoodOk Video to Audio Converter 1.806
GoodOk Video to Audio Converter an help you extract audio from all popular video files such as AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV, FLV, and save them as MP3, AAC, AC3, AMR, M4A, OGG and WAV audio format in batch mode.
Convert video to audio, video to audio, AVI to audio, AVI to MP3, WMV to AAC, MPEG to AC3, MP4 to AMR, ASF to M4A, VOB to OGG, 3GP to WAV,

 3)   0K Video to Audio Converter 1.723
GoodOk Video to Audio Converter an help you extract audio from all popular video files such as AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV, FLV, and save them as MP3, AAC, AC3, AMR, M4A, OGG and WAV audio format in batch mode.
Convert video to audio, video to audio, AVI to audio, AVI to MP3, WMV to AAC, MPEG to AC3, MP4 to AMR, ASF to M4A, VOB to OGG, 3GP to WAV,