with the new front-end-processing features turned on
compared to off.
Table 3 shows the mean difference scores compared to
baseline for each of the experimental front-end feature
conditions.
Table 3
Mean AzBio Sentence Difference Scores (%) with front-
end features enabled compared to
Test Condition
WindBlock alone
SoundRelax alone
EchoBlock alone
auto UltraZoom
alone
WindBlock +
SoundRelax +
auto UltraZoom
StereoZoom alone*
*Bilaterally implanted subjects only
Questionnaires were administered during both the
acute and chronic phases of the study to assess sub-
jects' qualitative judgments of the sound-cleaning and
34
baseline.
Quiet
Speech-Spectrum
Noise
1.4
2
0.9
-0.2
1.4
0.4
1.3
0.2
-2.2
2.7
2.3
8.5