/**
 * Minimal WAV decoder for the canonical PCM 16/24/32-bit + 32-bit float subformats.
 * Returns mono Float32 samples at the file's native sample rate.
 *
 * For more exotic formats (compressed, multichannel routing, etc.) use a real decoder
 * upstream and pass a Float32Array directly to the pipeline.
 */
export interface DecodedAudio {
    samples: Float32Array;
    sampleRate: number;
    numChannels: number;
}
export declare function decodeWav(buffer: ArrayBuffer): DecodedAudio;
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