From aab2f8dc200d69a19cb6c8187ded676239af5907 Mon Sep 17 00:00:00 2001 From: Weird Constructor Date: Thu, 15 Jul 2021 06:48:05 +0200 Subject: [PATCH] improved documentation --- src/dsp/node_sfilter.rs | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/dsp/node_sfilter.rs b/src/dsp/node_sfilter.rs index de66a1d..aa90e8d 100644 --- a/src/dsp/node_sfilter.rs +++ b/src/dsp/node_sfilter.rs @@ -89,14 +89,16 @@ There are currently following filters available: LP 1pt - One pole high-pass filter (6db) (TPT form) The Hal Chamberlin filters are an older state variable filter design, -that is limited to max cutoff frequency of 16kHz. +that is limited to max cutoff frequency of 16kHz. For a more stable +filter use the "12s" variants. LP 12c - Low-pass Hal Chamberlin state variable filter (12dB) HP 12c - High-pass Hal Chamberlin state variable filter (12dB) BP 12c - Band-pass Hal Chamberlin state variable filter (12dB) NO 12c - Notch Hal Chamberlin state variable filter (12dB) -The (Andrew) Simper state variable filter is a newer design. +The (Andrew) Simper state variable filter is a newer design +and stable up to 22kHz at 44.1kHz sampling rate. LP 12s - Low-pass Simper state variable filter (12dB) HP 12s - High-pass Simper state variable filter (12dB)