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How Does A Filter Work?

I was reading secret synths, and understood how the phase shift between two identical signals can result in filtering. But the way it'd written makes it seem like the filters attentuating is different ...
ToniToniToni's user avatar
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How to use a jack route as a single audio-filter with ffmpeg

I have configured Ardour and there, An audio track takes input from a Jack-Sink device Applies some effects by using some Aux-Send Outputs the final audio to Master which is a Jack-Client Now, I ...
Chitholian's user avatar
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Aggressive low-pass filter in FFmpeg

I want FFmpeg to aggressively low-pass at 3 kHz. I want it to have a steep roll-off like the asupercut filter has, but that filter's lower limit is 20 kHz. I am currently using lowpass=f=3000 but its ...
anyon's user avatar
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A filter to remove dynamic F0 and lower harmonics

I'm studying the perception of vowel formants and need to create stimuli where the signal below the first formant is removed. I have some naturalistic vowels (also a requirement for this study) which ...
Renata Koch's user avatar
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How to identify a similar or identical sound within an audio file?

Within a large audio file, I would like to identify sounds that are similar to or identical with exemplary sounds that are used as queries. I basically need a filter which is defined by one or a few ...
VGF's user avatar
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