.BG D
.FN tone
.TL
Bricker's Tone-Ringer Preference Data
.PP
.AG appeal
matrix giving standardized ratings of 100 tones (rows) by 43
subjects (columns).  Standardized so that each subject has
mean 0 and biased variance 1.
.SH SOURCE
P. J. Bricker, 
"Listener Evaluation of Simulated Telephone Calling Signals",
.ul
Bell System Technical Journal,
Vol. 50, No. 5, 1971, pp. 1559-1578.
.KW dataset
.WR
