Implemented Knn, updated readme

README.md

@@ -2,8 +2,14 @@
 Run knn on audio data which has been converted to images to find similar audio clips
 
 ## Ffmpeg preporcessing command to create spectrogram image
+Spectogramspectrogram
+
 `for %f in (*.wav) do ffmpeg -y -i "%f" -ar 44100 -lavfi "showspectrumpic=s=256x256:scale=log:legend=0" "img\%~nf.png"`
 
+With loudnorm to try to improve performance
+
+`for %f in (*.wav) do ffmpeg -y -i "%f" -ar 44100 -lavfi "loudnorm,showspectrumpic=s=256x256:scale=log:legend=0" "img\%~nf.png"`
+
 ## stb_image.h
 Used for gathering the image data
 
@@ -12,5 +18,5 @@ Used for gathering the image data
 
 ### Todo
 - [x] Load all images from directory
-- [ ] Do knn algorithm
+- [x] Do knn algorithm
 - [ ] Use opencl to accelerate algorithm execution