Wondershare Video to Audio Converter is can convert video to audio such as converting video to MP3 and other audio formats including WAV, WMA and M4A. The converted audio files can be played on different audio players such as iPod, Zune and regular MP3 Players and so on. The newly upgraded Video to Audio Converter supports extracting and converting High Definition video files such as MKV, DV etc to audio MP3 and other audio formats. Wondershare Video to Audio Converter lets you set various audio encoding options such as bit rate, audio channel, and sample rate and so on to adjust the output audio quality.You can easily finish converting video to MP3, WAV, WMA and M4A with only a few clicks. Key Features 1.Convert video to audio for all popular portable players Support all popular audio players such as iPod, Zune, PSP, Pocket PC, Creative Zen, Archos, PS3, Xbox 360, Wii, HP iPAQ, iRiver and so on. 2.Fast speed and powerful conversion 1)Support various standard video formats Support all popular video formats including AVI, MPEG, WMV, MOV, MP4, RM, RMVB, ASF, and FLV and so on. 2)Convert converting High Definition videos Support extracting and converting High Definition video files such as MKV, DV etc to audio MP3 and other audio formats. 3)Convert video to MP3 and other audio formats Convert MP4 to MP3, RM to MP3, AVI to MP3, WMV to Audio, and WMV to MP3 and so on. 4)Fast conversion speed Provide >300% converting speed, so fast beyond your imagination and automatically shut down your PC after conversion. 3.Powerful audio settings 1)Trim videos Allow you to convert any video clip to audio by trimming videos. 2)Intuitive real-time Preview Two real-time preview windows allow you to have a better control while converting video to audio 4.Easy operation and free technical support 1)User-friendly UI 2)Free and lifetime upgrade 3)Auto-update The auto-check for update ensures you always own the latest version freely