| 1 | import { MidSideEffect, MidSideEffectOptions } from "../effect/MidSideEffect.js";
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| 2 | import { Signal } from "../signal/Signal.js";
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| 3 | import { NormalRange } from "../core/type/Units.js";
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| 4 | export interface StereoWidenerOptions extends MidSideEffectOptions {
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| 5 | width: NormalRange;
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| 6 | }
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| 7 | /**
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| 8 | * Applies a width factor to the mid/side seperation.
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| 9 | * 0 is all mid and 1 is all side.
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| 10 | * Algorithm found in [kvraudio forums](http://www.kvraudio.com/forum/viewtopic.php?t=212587).
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| 11 | * ```
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| 12 | * Mid *= 2*(1-width)<br>
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| 13 | * Side *= 2*width
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| 14 | * ```
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| 15 | * @category Effect
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| 16 | */
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| 17 | export declare class StereoWidener extends MidSideEffect<StereoWidenerOptions> {
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| 18 | readonly name: string;
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| 19 | /**
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| 20 | * The width control. 0 = 100% mid. 1 = 100% side. 0.5 = no change.
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| 21 | */
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| 22 | readonly width: Signal<"normalRange">;
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| 23 | /**
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| 24 | * Two times the (1-width) for the mid channel
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| 25 | */
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| 26 | private _twoTimesWidthMid;
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| 27 | /**
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| 28 | * Two times the width for the side channel
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| 29 | */
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| 30 | private _twoTimesWidthSide;
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| 31 | /**
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| 32 | * Mid multiplier
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| 33 | */
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| 34 | private _midMult;
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| 35 | /**
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| 36 | * 1 - width
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| 37 | */
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| 38 | private _oneMinusWidth;
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| 39 | /**
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| 40 | * Side multiplier
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| 41 | */
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| 42 | private _sideMult;
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| 43 | /**
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| 44 | * @param width The stereo width. A width of 0 is mono and 1 is stereo. 0.5 is no change.
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| 45 | */
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| 46 | constructor(width?: NormalRange);
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| 47 | constructor(options?: Partial<StereoWidenerOptions>);
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| 48 | static getDefaults(): StereoWidenerOptions;
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| 49 | dispose(): this;
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| 50 | }
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