@ferrite-audio/web-utils/dist/buffer-utils.js

Web Audio utilities for Ferrite Audio packages

/**
 * Audio buffer utilities
 */
let audioContext = null;
/**
 * Get or create a shared audio context
 */
export function getAudioContext() {
    if (!audioContext) {
        audioContext = new (window.AudioContext || window.webkitAudioContext)();
    }
    return audioContext;
}
/**
 * Create an AudioBuffer from Float32Array
 */
export function createAudioBuffer(data, sampleRate = 48000, channels = 1) {
    const ctx = getAudioContext();
    const frameLength = Math.floor(data.length / channels);
    const buffer = ctx.createBuffer(channels, frameLength, sampleRate);
    for (let channel = 0; channel < channels; channel++) {
        const channelData = buffer.getChannelData(channel);
        if (channels === 1) {
            channelData.set(data);
        }
        else {
            // Deinterleave for multi-channel
            for (let i = 0; i < frameLength; i++) {
                channelData[i] = data[i * channels + channel];
            }
        }
    }
    return buffer;
}
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