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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: J Voice. 2015 Jul 15;30(4):434–442. doi: 10.1016/j.jvoice.2015.05.010

Table II.

SPL means and standard deviations for each level of accompaniment per set and group (non-professionals being group 0 and professionals being group 1) and SPR means and standard deviations obtained in each word in the same conditions.

Level 70 Level 80 Level 90

Group 0 Group 1 Group 0 Group 1 Group 0 Group 1
SPL/dB(A)
Set 1 74.8 (10.5) 78.9 (11.4) 76.5 (9.9) 80.0 (10.0) 79.6 (7.8) 81.9 (9.2)
Set 2 73.5 (11.3) 78.7 (11.5) 75.7 (10.1) 80.0 (10.6) 78.2 (8.2) 81.7 (9.3)
Set 3 74.9 (11.0) 80.0 (10.9) 76.1 (10.8) 80.3 (10.7) 78.2 (10.6) 81.6 (10.7)

“free” SPR/dB
Set 1 −21.1 (7.6) −13.5 (7.4) −20.8 (7.2) −14.7 (7.8) −17.9 (8.5) −14.1 (7.1)
Set 2 −17.1 (8.4) −13.4 (7.1) −16.7 (8.4) −14.1 (7.2) −17.1 (7.0) −13.0 (7.4)
Set 3 −21.5 (7.5) −14.4 (7.4) −20.0 (7.1) −16.1 (6.8) −20.4 (8.1) −14.2 (6.6)
“land” SPR/dB
Set 1 −21.8 (4.8) −16.6 (5.4) −22.1 (4.8) −16.9 (5.5) −21.0 (4.1) −15.0 (3.9)
Set 2 −24.0 (7.0) −16.9 (5.0) −21.6 (4.9) −15.0 (3.5) −21.3 (5.8) −14.5 (3.4)
Set 3 −24.3 (7.5) −17.3 (4.8) −25.3 (5.8) −17.1 (5.4) −23.8 (4.3) −15.6 (4.9)