@soundtouchjs/interpolation-strategy-kaiser

Kaiser interpolation strategy plugin for SoundTouchJS.

I accept cash if you like what's been done.

Part of the SoundTouchJS monorepo — for more information and so much more.

Usage

import { registerInterpolationStrategy, SoundTouch } from '@soundtouchjs/core';
import { registerKaiserStrategy } from '@soundtouchjs/interpolation-strategy-kaiser';

registerKaiserStrategy({ registerInterpolationStrategy });

const st = new SoundTouch({
  interpolationStrategy: 'kaiser',
});

st.setInterpolationStrategyParams({ zeroCrossings: 6, beta: 10 });

Profile

Tunable windowed-sinc strategy with strong flexibility for quality and transition-width tradeoffs.

Params

• zeroCrossings (default 4, normalized to 2..16)
• beta (default 8.6, normalized to 0..20) — Kaiser window shape parameter; higher = sharper cutoff, more ringing
• normalize (default false) — when true, kernel weights are normalized to sum to 1
• windowPower (default 1) — exponent applied to the Kaiser window shape; values above 1 sharpen the window

Related docs

• Core interpolation registration API: https://cutterscrossing.com/SoundTouchJS/?path=/docs/interpolation-strategies-strategy-plugin-authoring--docs
• Core interpolation strategy overview: https://cutterscrossing.com/SoundTouchJS/?path=/docs/interpolation-strategies--docs

Exports

• kaiserKernel: Interpolation kernel implementation.
• kaiserStrategy: Strategy descriptor with id kaiser.
• registerKaiserStrategy: Helper that registers kaiserStrategy into a compatible registry.
• kaiserStrategy.defaultParams: Runtime defaults for strategy params.

License

MPL-2.0 — see LICENSE for details.