/** Options for {@link encodeToWav}. */
export interface WavEncodeOptions {
    /**
     * Output bit depth. `0` = 32-bit IEEE-754 float (fmtType=3);
     * any other value = signed PCM (fmtType=1). Default is 16.
     */
    bitDepth?: 0 | 8 | 16 | 24 | 32;
}
/**
 * Encode interleaved Float32 PCM samples (range nominally
 * `[-1.0, +1.0]`) into a RIFF/WAVE byte buffer. Samples outside
 * the range are clipped.
 */
export declare function encodeToWav(channelCount: number, samplingRate: number, pcm: Float32Array, options?: WavEncodeOptions): Uint8Array;