/**
 * WAV encoding utility for Kitten TTS.
 *
 * Converts raw Float32Array PCM samples to a standard WAV file blob.
 */
/**
 * Encode Float32Array audio samples as a 16-bit PCM WAV blob.
 *
 * @param samples - Raw audio samples in the range [-1, 1]
 * @param sampleRate - Sample rate in Hz (Kitten TTS uses 24000)
 * @returns A Blob with MIME type `audio/wav`
 */
export declare function float32ToWav(samples: Float32Array, sampleRate: number): Blob;