Time Domain Analysis
Four speakers say "Zero" on time domain
Frequency Domain Analysis
Four speakers say "Zero" on frequency domain
Fourier Transform
Spectrum of four speakers say "Zero"
Compare four speakers' voice feature based on time domain
Speaker 1: Voice wave and spectrogram
Speaker 2: Voice wave and spectrogram
Speaker 3: Voice wave and spectrogram
Speaker 4: Voice wave and spectrogram
Four Speakers' 16 Dimension Code books