Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
An example of how PTCs were predicted from model simulations. (a) SNR plotted as a function of masker level for various masker frequencies (symbols). The dashed horizontal line represents an SNR of 1.5 dB. (b) A PTC resulting from a criterion SNR of 1.5 dB.
