Figure 4b

Figure 4b: Waveform display of the program #1-restored version of the 11.025 kHz /
8-bit 1 kHz sine wave signal depicted in Figure 4a, after it had been clipped to
+12 decibels.

Waveform display of the program #1-restored version of the 11.025 kHz / 8-bit 1 kHz sine wave signal depicted in Figure 4a, after it had been clipped to +12 decibels. Time is on the horizontal axis moving from left to right over 60.0 milliseconds, and amplitude is on the vertical axis. The waveform of this version differs significantly from the waveform of the original, unclipped signal. The amplitudes of the peaks are no longer consistent, but rather, the signal ramps up and down in level, indicating that the restoration was not transparent and modified the signal considerably.