Speech Time-Frequency Representations

1.1. Steps in the initial auditory processing. 4 2 THE TIME—FREQUENCY ENERGY REPRESENTATION 2.1. Short—time spectrum of a steady—state Iii. 9 2.2. Smoothed short—time spectra. 9 2.3. Short—time spectra of linear chirps. 13 2.4. Short—time spectra of /w /'s. 15 2.5. Wide band spectrograms of /w /'s. 16 Spectrograms of rapid formant motion. 2.6. 17 2.7. Wigner distribution and spectrogram. 21 2.8. Wigner distribution and spectrogram of cos wot. 23 2.9. Concentration ellipses for transform ker...