Constructive and Destructive InterferenceSound waves of equal amplitude, offset at half wavelengths, result in compression waves with an amplitude of 0—canceling out the sound. The two waves are then said to be “out of phase” and subtracted from one another as the positive pressures of one ...
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At the tinnitus frequency, N1 amplitudes have been found to show steeper loudness growth functions (Kadner et al., 2002, Pineda et al., 2008), to be unchanged compared to controls (Weisz et al., 2005), or show reduced amplitude in a pattern of results correlating with hearing loss rather...
When discussing compression in the context of audio, disambiguation is needed, since it can refer to different things. Firstly, it can refer to dynamic range compression, where an audio signal’s amplitude characteristics are modified by signal processing—that can happen in either the analog or ...
Looking at their dramatic shape, you can see the sudden drop from positive to negative in amplitude. Square waves earn themselves the name “pulse waves“ because they fluctuate between their positive and negative amplitudes so suddenly. They’re unique waveforms because their harmonics repeat at ev...
multiplied by 10. Secondly, shimmer local (i.e., SL) was the absolute mean difference between the amplitudes of successive periods divided by the average amplitude. Thirdly, the shimmer local dB (i.e., SLdB) was obtained as the base-10-logarithm of the differences between the amplitudes of...