Step 1: Free download SWF
to WAV Converter and install it.
Step 2: Open this SWF to WAV converter:

Step 3: Click
button
to input SWF file, or
SWF to WAV, you can once add as many as you want, but
here I suggest add 1-10 SWF video files one time for better
stable running performance.
Step 4: Click
button to choose an output format, Choose Target: MP3
Audio, Audio Type: WAV. Change the "Save to" folder as you like. Then click "OK".
Step 5: Click
to capture the video you want to convert, Click
to start to convert SWF to WAV.
After successful converting SWF to WAV, the converted WAV files
should be stored in the folder you have previously selected.

This powerful SWF to WAV converter not only can convert
SWF to WAV but also can convert SWF to almost all other popular video formats.
All the processes are almost the same. Just
Free download
and convert SWF to WAV.