Digital Signal Processing Chapter 7: Parametric Spectrum Estimation

example 4:vowels ”e” and ”i”, german male speakera) Vokale "e" und "i", ˆn=14b) Vokale "e" und "i", ˆn=600-10-10LDS in dB →-20-30-40-50"e""i"LDS in dB-20-30-40-50"e""i"-600 0.5 1 1.5 2 2.5 3 3.5 4f in kHz →-600 0.5 1 1.5 2 2.5 3 3.5 4f in kHz• − ”i” (N = 200, ˆn = 14); - - ”e” (N = 200, ˆn = 14)• left: sufficient order of the model ˆn = 14:significant difference of the formants of ”e” and ”i”.• right: insufficient order of the model ˆn = 6: formants are not registered!application for speech coding Page 41