mp3-to-wav

Convert mp3 audio data to wav type, for both audio type mono and stero


1. Install

``bash
$ npm install --save mp3-to-wav
`

2. Usage

`javascript
const Mp32Wav = require('mp3-to-wav')
new Mp32Wav('mp3 file absolute dir / .mp3 file').exec()
// will produce wav file on provided dir
`

3. Api

$3

`javascript
const Mp32Wav = require('mp3-to-wav')
const mp32Wav = new Mp32Wav('mp3 file dir / .mp3 file','wav file saving dir')
``

|arguments|required|description|
|:------:|:------:|------|
|mp3_file_path|true|absolute path to for mp3 file|
|wav_file_saving_dir|false|default to same with mp3 file|

$3

#### mp32Wav.exec()

convert mp3 file to wav file

#### mp32Wav.decodeMp3()

decode mp3 file

|arguments|required|description|
|:------:|:------:|------|
|mp3_file_path|true|absolute path to for mp3 file|

#### mp32Wav.saveForWav()

encode wav file and saving

|arguments|required|description|
|:------:|:------:|------|
|buffer|true|pure voice data wrapped by array|
|savePath|true|saving path|
|filename|false|filename without postfix|
|sampleRate|true|sampleRate|
|channels|true|channels number|
|float|false|saving type inside|