Dacmagic azur – Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic User Manual
Page 21

DacMagic
azur
21
ENGLISH
The Minimum Phase filter is another highly regarded audio filter that offers even lower ripple in the
pass and stop bands. Unlike the Linear Phase filter, group delay is not constant so some time-
coherence is lost; however, phase shift is low and the particular benefit with this filter is that the
impulse response exhibits no pre-ringing.
0
0 20 40 60 80 100
120
140
160
180
Impulse response
Time (samples)
Amplitude