/**
 * Core types for Purify Voice
 */
export interface PurifyOptions {
    /**
     * Sample rate for audio processing (default: 48000)
     * RNNoise requires 48kHz
     */
    sampleRate?: number;
    /**
     * Frame size in samples (default: 480)
     * RNNoise processes 10ms frames at 48kHz
     */
    frameSize?: number;
    /**
     * Path to WASM file (optional, will use bundled version if not specified)
     */
    wasmPath?: string;
}
export interface ProcessingResult {
    /**
     * Denoised audio data
     */
    data: Float32Array | AudioBuffer | Blob;
    /**
     * Voice activity detection probability (0-1)
     */
    vadProbability?: number;
    /**
     * Processing time in milliseconds
     */
    processingTime?: number;
}
export interface PurifyInstance {
    /**
     * Initialize the Purify instance
     */
    initialize(): Promise<void>;
    /**
     * Process audio file/blob
     */
    processFile(audioFile: File | Blob): Promise<Blob>;
    /**
     * Process audio buffer
     */
    processBuffer(audioBuffer: AudioBuffer): Promise<AudioBuffer>;
    /**
     * Process real-time audio stream
     */
    processStream(inputStream: MediaStream): Promise<MediaStream>;
    /**
     * Process raw PCM data
     */
    processRaw(pcmData: Float32Array): Promise<Float32Array>;
    /**
     * Check if Purify is ready
     */
    isReady(): boolean;
    /**
     * Cleanup resources
     */
    destroy(): void;
}
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