Difference between two sounds or spectral envelopes SE Se) Difference between two sounds, E. g SEa={v1,v2,V34}=ar", SEoi=w1 e W2W3W4}=“ei a simple measure of the difference is Dist =sqrt(v1-W12+v2-W2 2+v3-W3 2+114 W4|2) Where x =magnitude of x Feature extraction v 9aDifference between two sounds (or spectral envelopes SE SE’) • Difference between two sounds, E.g. • SEar={v1,v2,v3,v4}=“ar”, • SEei={w1,w2,w3,w4}=“ei” • A simple measure of the difference is • Dist =sqrt(|v1-w1|2+|v2-w2|2+|v3-w3|2+|v4- w4|2 ) • Where |x|=magnitude of x Feature extraction, v.9a 5