Comments (3)
It makes gain entry linear. The 15 bands placement is non-logarithmic (to allow 0 Hz) but at high frequency it becomes half-octaves band.
Assuming t = 2.8853900817779269*log(f/157.48+1)
Then f = 157.48 * (exp(t / 2.8853900817779269) - 1) = 157.48 * (sqrt(2^t) - 1)
And substitute t from 0 to 14, you get the center frequency.
from mpv-scripts.
OK, thanks.
So if I want to use a simpler version, with less bands ( e.g., 65 / 400 / 1250 / 2850 / 5600 / 12500 Hz ) it would be better to use the standard gain equation: cubic_interpolate(f) ?
Do you think there's a better equation for this band configuration?
from mpv-scripts.
Using cubic_interpolate(f) is enough. Note that the default is gain_interpolate(f) which is less smooth than cubic_interpolate(f).
from mpv-scripts.
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from mpv-scripts.