AVI Definition: AVI stands for Audio Video Interleave. This is a container video format that specifies certain structure how the audio and video streams should be stored within the file.

1. To convert avi to wav, Launch Audio/Video to Wav Converter, click the Open Media File button, select an avi file.

2. If you want to convert the whole audio from the avi file to wav, set the Output File if needed, then click the Convert button.

If you want to convert some part of audio from the avi file to wav, drag the slide bar directly, or click the Play button to preview the media file, set the Start Time and the End Time. At last, click the Convert button to start to convert avi to wav.

2. Flash (formerly Macromedia Flash) is created by Adobe System company. It can edit content of animation, movie, music, and games on World Wide Web.

Swf is ShockWave Flash. FLV is Flash Video.

The converter does not convert swf to wav directly, but can convert flv to wav.  Please install FLV Splitter and FFDSHOW. Run "regsvr32 FLVSplitter.ax" to register the FLV Splitter. Launch the video converter, select the flv file can be previewed. At last start to convert flv to wav or wave.