NZFF

It arrived on my phone, and I tried sharing the link.
Nope...

So: You have to Google
SU 57 New Sound
and hopefully it will come up.
Hopefully too, it isn't designed to turn your device into a high tech spy relay also.
EDIT:
Oh! But wait! I did just that and up popped this:



I've never heard anything like it. Fantastic aircraft.

Charl, I just found this post ...wow, hooked a sub woofer and cranked it up, amazing all right ...great find.

That scream would be pretty chilling to hear.

...to all the NASA, etc, "space fanatics" out there...

...just try doing that on Planet Mars!

(Be glad that you/we live on Planet Earth!!)

Paul... ...!

Here you go... airshow fodder!