wavefile

Copyright (c) 2017-2018 Rafael da Silva Rocha.
https://github.com/rochars/wavefile

The tests in the browser run against ./dist/wavefile.js.

Some WaveFile tests need to read and write files to disk; those tests are not loaded here.
To run all the tests git clone https://github.com/rochars/wavefile, npm install it and npm test it.

passes: 13
failures: 0
duration: 0.02s

create a 8-bit wave file from scratch

chunkId should be "RIFF"0ms ‣
```
assert.equal(wav.container, "RIFF");
```
format should be "WAVE"0ms ‣
```
assert.equal(wav.format, "WAVE");
```
fmtChunkId should be "fmt "0ms ‣
```
assert.equal(wav.fmt.chunkId, "fmt ");
```
fmtChunkSize should be 160ms ‣
```
assert.equal(wav.fmt.chunkSize, 16);
```
audioFormat should be 10ms ‣
```
assert.equal(wav.fmt.audioFormat, 1);
```
numChannels should be 10ms ‣
```
assert.equal(wav.fmt.numChannels, 1);
```

sampleRate should be 480000ms ‣

assert.equal(wav.fmt.sampleRate, 48000);

byteRate should be 480000ms ‣
```
assert.equal(wav.fmt.byteRate, 48000);
```
blockAlign should be 10ms ‣
```
assert.equal(wav.fmt.blockAlign, 1);
```
bitsPerSample should be 81ms ‣
```
assert.equal(wav.fmt.bitsPerSample, 8);
```
dataChunkId should be "data"0ms ‣
```
assert.equal(wav.data.chunkId, "data");
```
dataChunkSize should be 40ms ‣
```
assert.equal(wav.data.chunkSize, 4);
```
bitDepth should be "8"0ms ‣
```
assert.equal(wav.bitDepth, "8");
```