Audio Extractor, Audio Converter, Audio Recorder, Karaoke All in one. Audio Extractor: Extract audio tracks from AVI, MPEG, MPG, FLV (Flash Video), DAT, WMV, MOV, MP4, 3GP video files and save them as MP3, WAV, iPhone Ringtone, WMA and AC3 formats. It can also be used to save any portion of the audio of a video file. Audio Conversion: Convert audio files between different formats, such as MP3, WMA, WAV, M4A, iPhone Ringtone, OGG and AC3. Voice Recording (Capture Audio): Record your voice or any sound from microphone, CD/DVD player and any other input line available with your sound card. Save sound recordings directly to MP3, WAV. Karaoke Sound Recording: You can select a popular song (MIDI, WAV,MP3,KAR) and sing along with the song. AoA Audio Extractor Platinum records your voice while singing, process your voice with real time voice effects.