Pauls Extreme Sound Stretch is a software for extreme sound stretching of the audio (8x, 50x, etc) and for applying special effects by "spectral smoothing" the sounds.Paul Stretch produces high quality extreme sound stretching. While most sound stretching program sounds bad when trying to stretch the sounds a lot, this one is optimized for extreme sound stretching. So, the stretch amount is unlimited. You can play the stretched sound in real-time (including the possibility to "freeze" the sound) or you can render the whole sound or a part of it to audio files. It has many post-processing effects, like: filters, pitch/frequency shifters and support for WAV, OGG VORBIS files and MP3 files.

The license of this software is Freeware, you can free download and free use this audio utility software.