Updated link to youtube video

Added video with high and low pass examples

README.md

@@ -4,7 +4,7 @@ Discrete Fourier Transform implementation with filters and visualization.
 
 In these examples a sample rate of 8000 samples/second was used on a 100hz sine wave (synthetic sample) with whitenoise added to the signal. Here we are looking at the first 100 milliseconds of the signal.
 ## Signal and Synthesis in action
-[![Signal and Synthesis in action](https://github.com/hybridmachine/DSP/blob/master/Docs/Signals%20And%20Synthesis%20in%20Action%20Video%20Thumbnail.png)](https://youtu.be/7jlWwE01DHk "S&S in action")
+[![Signal and Synthesis in action](https://github.com/hybridmachine/DSP/blob/master/Docs/Signals%20And%20Synthesis%20in%20Action%20Video%20Thumbnail.png)](https://youtu.be/gREGf9_4zzQ "S&S in action")
 
 ## High Pass Filter:
 ![Screenshot](Docs/HighPassExample.png)