DDVideo Video to Audio Gain - Version 4.3.1 DDVideo Video to Audio Converter Gain,a versatile video to audio converter and audio to audio converter software, which can gain volume for video/audio files to the same volume without loss of original sound quality.The application can extract audio from almost all popular video like AVI/DIVX/XVID/DIV,MPEG/MPG/DAT, WMV/ASF/ASX, RM/RMVB,MOV/QT,MP4/M4V,VOB,MKV, 3GP/3G2, FLV,PMP etc video format and convert any audio format to MP3/MP2/AAC/WAV/WMA/AC3/AU/M4A/AIFF/AMR/FLAC/OGG/MKA audio formats.Extremely fast conversion speed and friendly user interface let you convert any video/audio files with ease.You can preview your video/audio file on the right screen and with very useful video editing functions to recreate your own video and audio files.including: "Play":preview your video/audio file;"VolumeGain": set a output audio gain number for specified video or audio file without loss of original sound quality.recommend is 89 db(Friendly Reminder:The