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  • The impact of high-pass filter on the step response
    Hi, what is the actual implementation of the minimum phase and linear phase high passes? (what processor or software?) And particularly, how many taps at what sample rate, are you using for the linear phase?
  • Phase and Group Delay | Introduction to Digital Filters
    For linear phase responses, i e , for some constant , the group delay and the phase delay are identical, and each may be interpreted as time delay (equal to samples when ) If the phase response is nonlinear, then the relative phases of the sinusoidal signal components are generally altered by the filter A nonlinear phase response normally causes a ``smearing'' of attack transients such as in
  • Minimum Phase vs Linear Phase - Audio Science Review (ASR) Forum
    OK A quick change to use a band limited square wave Results are below The minimum phase filters still produce higher ripples
  • Filters Preserving Phase | Introduction to Digital Filters
    Filters Preserving Phase In this chapter, linear phase and zero phase filters are defined and discussed Linear-Phase Filters (Symmetric Impulse Responses) A linear-phase filter is typically used when a causal filter is needed to modify a signal 's magnitude-spectrum while preserving the signal's time-domain waveform as much as possible
  • Do you hear a difference with DAC filters? | Page 4 | Audio Science . . .
    In theory, given that absolute phase is inaudible according to psychoacoustics and time-invariant systems, minimum phase would be ideal for reducing pre-ringing, which is substantially more audible than post-ringing, that's the downside of linear-phase filters
  • Is Linear Phase Really Ideal for Audio? | Introduction to Digital Filters
    The cut-off is chosen at 2kHz because this is a highly audible frequency We want to clearly hear the ringing in this experiment in order to compare the zero-phase and minimum-phase cases Figure 11 1: Matlab script for listening to minimum-phase and zero-phase impulse responses having the same amplitude response
  • AUDIOPHONICS EVO-SABRE - Filter clutter - Audio Science Review (ASR) Forum
    The Sabre ES9038 family offers 7 filter presets * brick wall * corrected minimum phase fast * minimum phase slow * minimum phase fast * linear phase slow * linear phase fast * apodizing fast Since there a plenty of fellow golden ear inmates around, I think we should have a discussion about
  • comp. dsp | ringing: minimum vs linear phase
    I've not thought much about how changing from linear phase to minimum phase or maximum phase might affect the ringing I guess I've always just assumed or understood that it wouldn't matter and that the transient response is a reflection of the "Q" of the system - which tends to be large around the transitions High Q - long time
  • Minimum Phase vs Linear Phase - Audio Science Review (ASR) Forum
    Thanks! Another thing I've often heard the pro-min phase people say that speakers and headphones are minimum phase devices, so it doesn't make sense to use linear phase filters If we look at headphones (easier because it's a single driver) and linear phase filters, is the driver attempting to play these pre-echo signals coming out of the DAC?





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