Volker wrote: > a signal delayed by less than 5-8 milliseconds causes a hollowness. If > the delay is less than 2 milliseconds the human ear cannot detect an
> echo. > The awareness of echo depends of course on (the combination of) > various effects, e.g. the frequency response and sidetone masking > rating (STMR) of the sidetone path. > You can find some information on effects related to sidetone in the G > series papers of the ITU-T. I fully agree with the statement but must add that one should not make absolute statements about ears, because the good Lord didn't give all of us cochlea with the same response time. Ergo, some humans may hear echoes, where others hear nothing of the sort. Ciao, Vic
