Tutu Video to Audio Converter is an extremely easy-to-use tool to extract audio from video to all popular audio formats, such as conver MPEG to MP3, and MP4 to MP3, MP4 to WMA, AVI to mp3, etc.
The Video & Audio Converter supports most popular MP4/MP3 players including PSP, MP4 player, iPod, iPhone, zune, mobile phone, etc.All conversion, such as MPEG to MP3, and MP4 to MP3, MP4 to WMA, AVI to mp3, are very easy and fast with the best quality.

And it allow you to set parameters of conversion option.
This video to audio software is so easy-to-use that whether you are an experienced user or a beginner, with its user-friendly-interface, you can extracting your audio files is just a button click away.
Features:
1.Extract mp3 / WMA audio from popular video formats(MPEG, AVI, MP4, AVI etc.)
2.Batch conversion, you can enactment every MPEG to mp3 / MP4 to mp3 / WMV to mp3 / AVI to mp3 converting task flexibly, and the task can be saved and load.
3.Excellent output quality by parameters optimized, you can use the default settings which were optimized to get excellent output quality of mp3 or WMA, or you can set the advanced settings by yourself like bit rate, sample rate, etc.
4.View the information of the original files, you can view the detail information about video codec, video bit rate, frame rate, audio codec, audio bit rate, sample rate etc.of a video file with all file format(WMV, AVI, MPEG, MP4, MOV etc.)
5.Play video files for preview, you can play video files to be converted in the list for the purpose of preview.And the play function support most video format such as WMV, AVI, MPEG, MP4, MOV etc.
6.User-adjustable codec parameter setting, all of the video codec parameters is optimized and predigested.
7.Concise and friendly interface.
8.Perfect support H.264 format.
9.Windows VISTA supported well.
10.It supports clip or segment conversion by setting the start point and duration.
11.Support Multi-languages
12.Internally support real codec