@siteed/expo-audio-studio/build/AudioAnalysis/extractPreview.js

Comprehensive audio processing library for React Native and Expo with recording, analysis, visualization, and streaming capabilities across iOS, Android, and web

import { extractAudioAnalysis } from './extractAudioAnalysis';
/**
 * Generates a simplified preview of the audio waveform for quick visualization.
 * Ideal for UI rendering with a specified number of points.
 *
 * @param options - The options for the preview, including file URI and time range.
 * @returns A promise that resolves to the audio preview data.
 */
export async function extractPreview({ fileUri, numberOfPoints = 100, startTimeMs = 0, endTimeMs = 30000, // First 30 seconds
decodingOptions, logger, }) {
    const durationMs = endTimeMs - startTimeMs;
    const segmentDurationMs = Math.floor(durationMs / numberOfPoints);
    // Call extractAudioAnalysis with calculated parameters
    const analysis = await extractAudioAnalysis({
        fileUri,
        startTimeMs,
        endTimeMs,
        logger,
        segmentDurationMs,
        decodingOptions,
    });
    // Transform the result into AudioPreview format
    return analysis;
}
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