standardized-audio-context/build/es2019/helpers/wrap-analyser-node-get-float-time-domain-data-method.js

A cross-browser wrapper for the Web Audio API which aims to closely follow the standard.

export const wrapAnalyserNodeGetFloatTimeDomainDataMethod = (nativeAnalyserNode) => {
    nativeAnalyserNode.getFloatTimeDomainData = (array) => {
        const byteTimeDomainData = new Uint8Array(array.length);
        nativeAnalyserNode.getByteTimeDomainData(byteTimeDomainData);
        const length = Math.max(byteTimeDomainData.length, nativeAnalyserNode.fftSize);
        for (let i = 0; i < length; i += 1) {
            array[i] = (byteTimeDomainData[i] - 128) * 0.0078125;
        }
        return array;
    };
};
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