Opened 4 years ago

Closed 4 years ago

#8477 closed enhancement (invalid)

minimum phase for

Reported by: mtc Owned by:
Priority: wish Component: avfilter
Version: git-master Keywords:
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

not just for firequalizer
minimum phase impulse response  switch also for

highpass
lowpass
bandpass
bandreject
bass
treble
equalizer

also could there be a graphical/visual representation/output

(e.g. amplitude-frequency response, phase-frequency, impulse-time-waveform response

to show how the filters look like with certain settings

Change History (3)

comment:1 by Carl Eugen Hoyos, 4 years ago

Component: ffmpegavfilter
Priority: minorwish
Version: unspecifiedgit-master

comment:2 by mtc, 4 years ago

forgot to mention

  • intermediate phase option , (minimum phase might not be optimal), firequalizer does not have (intermediate)

i'm not sure how [​https://www.masteringthemix.com/blogs/learn/what-eq-filter-is-best-for-bass-and-low-end to] avoid both pre&post-ringing

(minimum phase does not avoid post-ringing)

comment:3 by Elon Musk, 4 years ago

Resolution: invalid
Status: newclosed

You are deeply confused. Mentioned filters do not need such option, they are perfect.
If you need linear phase use afir or aiir. Good Luck!

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