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biquad filter types #49

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felixroos opened this issue Oct 7, 2024 · 2 comments

Owner

felixroos commented Oct 7, 2024 •

edited

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biquad filter
includes types:

lowpass
highpass
band pass
notch
allpass
peaking
lowshelf
highshelf

felixroos changed the title ~~peaking filter~~ biquad filter types

Owner Author

felixroos commented Oct 7, 2024

todo: implement "BPF (constant 0 dB peak gain)"

Owner Author

felixroos commented Oct 8, 2024 •

edited

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this is the chromium version of biquad... https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/audio/biquad.cc;drc=4b44bd63028a5aa82976dc4d7ed51cb78cbc6891;l=84

... which originates from the webkit version of biquad:
https://github.com/WebKit/WebKit/blob/636b30afb4a77df197342bd9a469d27057c075f1/Source/WebCore/platform/audio/Biquad.cpp#L56

... this is the first version of the file:
https://github.com/WebKit/WebKit/blob/4884de8966ef4af522f9756a5f9e12f7f30908b1/WebCore/platform/audio/Biquad.cpp

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