Post-limiter: Keeps true peak levels of the output signal below 0 dBTP to prevent any clipping from occurring. Intermediate values between 0 and 1 produce so-called intermediate-phase filters that balance pre- and post-ringing while maintaining linear-phase response across a possibly wider range of frequencies. The value of 1 produces a linear-phase filter with a symmetric impulse response: the amount of pre-ringing is equal to the amount of post-ringing. The value of 0 produces a minimum-phase filter, which has no pre-ringing, but maximal post-ringing. Pre-ringing: SRC filter pre-ringing amount in time domain (0 for minimum phase, 1 for linear phase, or anywhere in between).Īdjusts the phase response of the filter, which affects its time-domain ringing characteristic. At the same time, higher steepness of the frequency response requires a longer filter, which produces more ringing in time domain and energy smearing near the cutoff frequency.Ĭutoff shift: SRC filter cutoff frequency shift (scaling multiplier).Īllows shifting the filter cutoff frequency up or down, to balance the width of a passband vs.
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