/**
 * @experimental This feature is experimental and currently only available on Android.
 * The API may change in future versions. The web implementation is a placeholder.
 */
import { ExtractMelSpectrogramOptions, MelSpectrogram } from './AudioAnalysis.types';
/**
 * Extracts a mel spectrogram from audio data
 *
 * @experimental This feature is experimental and currently only available on Android.
 * The iOS implementation will throw an "UNSUPPORTED_PLATFORM" error.
 * The web implementation is a placeholder that returns dummy data.
 */
export declare function extractMelSpectrogram(options: ExtractMelSpectrogramOptions): Promise<MelSpectrogram>;
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