alawdeprecated

JavaScript A-Law codec. Copyright (c) 2018 Rafael da Silva Rocha. https://github.com/rochars/alaw

Usage no npm install needed!

<script type="module">
  import alaw from 'https://cdn.skypack.dev/alaw';
</script>

README

alaw

JavaScript A-Law codec.
Copyright (c) 2018 Rafael da Silva Rocha.
https://github.com/rochars/alaw

References:
https://github.com/deftio/companders
http://dystopiancode.blogspot.com.br/2012/02/pcm-law-and-u-law-companding-algorithms.html

NPM version Docs

Install

npm install alaw

Use

Full files:


const alaw = require("alaw");

// Compressing all the samples in a file
// Only 16-bit samples are supported
aLawSample = alaw.encode(pcmSamples);

// Decompressing all the samples in a file
pcmSamples = alaw.decode(aLawSamples);

Sample by sample:


const alaw = require("alaw");

// Compressing
aLawSample = alaw.encodeSample(pcmSample);

// Decompressing
sample = alaw.decodeSample(aLawSample);

LICENSE

Copyright (c) 2018 Rafael da Silva Rocha.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.