. The professional video to audio converter can easily convert AVI video to MP3 as AVI to MP3 converter, convert WMV to MP3 as WMV to MP3 converter. With it, you can easily get MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG or Sun AU audio from video AVI, MPEG, WMV, DivX, MP4, H.264/MPEG-4 AVC, RM, MOV, etc. Key Functions: 1: High speed video to audio converter Convert AVI to MP3, convert MPEG/WMV/DivX/MP4 to MP3, WMA, WAV, RA, and M4A 2: Convert AVI to MP3 as AVI to MP3 converter, convert WMV to MP3 You can convert all video formats including AVI, MPEG, WMV, DivX, MP4, H.264/MPEG-4 AVC, RM, MOV to popular audio formats like MP2, MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG and Sun AU. 3: Multi-core CPU supporting The video to audio converter can auto-detect your CPU and take full advantage of your multi-core CPU to reach the highest conversion speed.Output file customization Customize output file - how to record audio from video as you like 4: Add several output formats for the same file With the video to audio converter, you can set multiple output audio formats for one source video or audio file to convert e.g. set both MP3, M4A formats to output. 5:¡¡Extract a very audio segment When you want to convert video to audio, you can set the video start time and duration in advanced profile settings panel to accomplish audio segment extraction. 6: Output the audio file with specified file size When you convert a long video to audio and the output audio file is too large, you can specify the output fie size in Bitrate Calculator to auto-adjust bit rate and get proper-size. 7:¡¡Split output audio file into several If you find the output audio is too large to handle, Aiprosoft Video to Audio Converter enables you to split it to several average small ones by setting split size or time in profile settings panel.Further output file settings