audio-pcm-formatdeprecated

Transform audio PCM format

Usage no npm install needed!

<script type="module">
  import audioPcmFormat from 'https://cdn.skypack.dev/audio-pcm-format';
</script>

README

npm install audio-pcm-format

var PcmFormat = require('audio-pcm-format');
var Speaker = require('node-speaker');


/** Transform input format to output format */
myStream.pipe(PcmFormat(inputFormat, outputFormat?)).pipe(Speaker());


/** Default output/input format, extended with passed formats. Redefine if needed. */
PcmFormat.default === {
    //number or order of channels, if array, e. g. [0, 1] → [1, 0]
    channels: 2,

    //single sample params
    byteOrder: 'LE',
    bitDepth: 16,
    signed: true,
    float: false,

    //resample (optional)
    sampleRate: 44100,

    //the way to read/write input/output samples: [LRLRLRLR] or [LLLLRRRR]
    interleaved: true,

    //force output chunk size
    samplesPerFrame: undefined
};

Related
pcm-util — utils for pcm transforms.
pcm-format — transforms pcm stream per sample.