32 lines
881 B
TypeScript
32 lines
881 B
TypeScript
import type { AudioProcessor } from "./AudioProcessor";
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export class PhaseInverter implements AudioProcessor {
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getName(): string {
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return "Phase Inverter";
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}
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getDescription(): string {
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return "Inverts polarity of one or both channels";
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}
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async process(
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leftChannel: Float32Array,
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rightChannel: Float32Array
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): Promise<[Float32Array, Float32Array]> {
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const mode = Math.floor(Math.random() * 3);
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const newLeft = new Float32Array(leftChannel.length);
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const newRight = new Float32Array(rightChannel.length);
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const invertLeft = mode === 0 || mode === 2;
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const invertRight = mode === 1 || mode === 2;
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for (let i = 0; i < leftChannel.length; i++) {
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newLeft[i] = invertLeft ? -leftChannel[i] : leftChannel[i];
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newRight[i] = invertRight ? -rightChannel[i] : rightChannel[i];
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}
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return [newLeft, newRight];
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}
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}
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