16-bit to ADPCM

• chunkId should be 'RIFF'0ms ‣

  assert.equal(wav.container, "RIFF");

• fmtChunkId should be 'fmt '0ms ‣

  assert.equal(wav.fmt.chunkId, "fmt ");

• format should be 'WAVE'1ms ‣

  assert.equal(wav.format, "WAVE");

• fmtChunkSize should be 200ms ‣

  assert.equal(wav.fmt.chunkSize, 20);

• audioFormat should be 17 (IMA ADPCM)0ms ‣

  assert.equal(wav.fmt.audioFormat, 17);

• numChannels should be 10ms ‣

  assert.equal(wav.fmt.numChannels, 1);

• sampleRate should be 80000ms ‣

  assert.equal(wav.fmt.sampleRate, 8000);

• blockAlign should be 2560ms ‣

  assert.equal(wav.fmt.blockAlign, 256);

• bitsPerSample should be 40ms ‣

  assert.equal(wav.fmt.bitsPerSample, 4);

• factChunkId should be 'fact' on the new file0ms ‣

  assert.equal(wav.fact.chunkId, 'fact');

• dataChunkId should be 'data'0ms ‣

  assert.equal(wav.data.chunkId, 'data');

• dataChunkSize should be > 00ms ‣

  assert.ok(wav.data.chunkSize > 0);

• samples.length should be > 00ms ‣

  assert.ok(wav.data.samples.length > 0);