Abstract
The protection of speech information should not only be as effective as possible, but also convenient for people who are in the protected room. Currently, the active protection devices, which are noise generators, are more often used for this purpose. The most effective is speech-like interference. But at the same time, it is noted that this type of interference creates more discomfort compared to others. This study is aimed at identifying the noise annoyance of speech-like interference, created on the basis of syllabic and word articulation tables, as well as reverberation speech-like interference. The experiments have shown that the most annoying is speech-like interference based on syllabic articulate on tables. The main negative consequences were headache, annoyance, and fatigue. Modification of the speech-like interference in the form of peak trimming improved the auditory perception of the interference by people, while the efficiency did not decrease.
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