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loudness contour | |||
equal-loudness contour |
кривая громкости: 24 phrases in 11 subjects |
Acoustics | 4 |
Aviation | 1 |
Construction | 1 |
Electronics | 7 |
Hi-Fi | 2 |
Makarov | 1 |
Mass media | 1 |
Natural resourses and wildlife conservation | 4 |
Nautical | 1 |
Physics | 1 |
Technology | 1 |