Lines Matching refs:dB
17 * 180 Hz...13.5 kHz: 50...70 dB
18 * 100 Hz...15.0 kHz: 40...70 dB
19 * 70 Hz...16.0 kHz: 30...70 dB
20 * 45 Hz...16.5 kHz: 20...70 dB
21 * 30 Hz...17.5 kHz: 10...70 dB
22 * 25 Hz...18.0 kHz: 5...75 dB
23 * 20 Hz...19.0 kHz: 0...80 dB
24 * 16 Hz...20.0 kHz: -10...80 dB
464 double dB;
473 dB = tab [index] * (1 + index - freq_log) + tab [index+1] * (freq_log - index);
474 return pow ( 10., 0.05*dB );