Update examples

examples/fromMic.html

@@ -4,7 +4,9 @@
     <script src="Vosklet.js" async defer></script>
     <script>
       async function start() {
+        // Make sure sample rate matches that in the training data
         let ctx = new AudioContext({sampleRate : 16000})
+        // Setup mic with correct sample rate
         let micNode = ctx.createMediaStreamSource(await navigator.mediaDevices.getUserMedia({
           video: false,
           audio: {
@@ -14,15 +16,18 @@
             sampleRate: 16000
           },
         }))
+        // Load Vosklet module, model and recognizer
         let module = await loadVosklet()
         let model = await module.createModel("en-model.tgz","model","ID")
         let recognizer = await module.createRecognizer(model, 16000)
+        // Listen for result and partial result
         recognizer.addEventListener("result", ev => {
           console.log("Result: ", ev.detail)
         })
         recognizer.addEventListener("partialResult", ev => {
           console.log("Partial result: ", ev.detail)
         })
+        // Create a transferer node to get audio data
         let transferer = await module.createTransferer(ctx, 128 * 150)
         transferer.port.onmessage = ev => {
           recognizer.acceptWaveform(ev.data)

examples/fromWav.html

@@ -4,6 +4,7 @@
     <script src="Vosklet.js" async defer></script>
     <script>
        async function start() {
+        // Make sure sample rate matches that in the training data
         let ctx = new AudioContext({sampleRate : 16000})
         let module = await loadVosklet()
         let model = await module.createModel("en-model.tgz","model","ID")
@@ -14,6 +15,7 @@
         recognizer.addEventListener("partialResult", ev => {
           console.log("Partial result: ", ev.detail)
         })
+        // Fetch, decode, and recognize .wav
         let wav = await fetch("example.wav")
         let audioBuf = await ctx.decodeAudioData(await wav.arrayBuffer())
         recognizer.acceptWaveform(audioBuf.getChannelData(0))