Bump emscripten version, update examples, add demo

Examples/fromFile.html

@@ -4,17 +4,17 @@
     <script src="https://cdn.jsdelivr.net/gh/msqr1/Vosklet@1.1.5/Examples/Vosklet.min.js" async defer></script>
     <script>
        async function start() {
-        // Make sure sample rate matches that in the training data
-        let ctx = new AudioContext({sampleRate : 16000})
+        // All data is collected and transfered to the main thread so the AudioContext won't output anything. Set sinkId type to none to save power
+        let ctx = new AudioContext({sinkId: {type: "none"}})
         let module = await loadVosklet()
         let model = await module.createModel("https://ccoreilly.github.io/vosk-browser/models/vosk-model-small-en-us-0.15.tar.gz","English","vosk-model-small-en-us-0.15")
-        let recognizer = await module.createRecognizer(model, 16000)
+        let recognizer = await module.createRecognizer(model, ctx.sampleRate)
         
         // 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))
 
-        // Fetch, decode, and recognize .wav
+        // Fetch, decode, and recognize the .wav
         let wav = await fetch("https://cdn.jsdelivr.net/gh/msqr1/Vosklet/examples/example.wav")
         let audioBuf = await ctx.decodeAudioData(await wav.arrayBuffer())
         recognizer.acceptWaveform(audioBuf.getChannelData(0))

Examples/fromMic.html

@@ -4,24 +4,23 @@
     <script src="https://cdn.jsdelivr.net/gh/msqr1/Vosklet@1.1.5/Examples/Vosklet.min.js" async defer></script>
     <script>
       async function start() {
-        // Make sure sample rate matches that in the training data
-        let ctx = new AudioContext({sampleRate : 16000})
+        // All data is collected and transfered to the main thread so the AudioContext won't output anything. Set sinkId type to none to save power
+        let ctx = new AudioContext({sinkId: {type: "none"}})
 
-        // Setup mic with correct sample rate
+        // Setup microphone  
         let micNode = ctx.createMediaStreamSource(await navigator.mediaDevices.getUserMedia({
           video: false,
           audio: {
             echoCancellation: true,
             noiseSuppression: true,
-            channelCount: 1,
-            sampleRate: 16000
+            channelCount: 1
           },
         }))
 
         // Load Vosklet module, model and recognizer
         let module = await loadVosklet()
         let model = await module.createModel("https://ccoreilly.github.io/vosk-browser/models/vosk-model-small-en-us-0.15.tar.gz","English","vosk-model-small-en-us-0.15")
-        let recognizer = await module.createRecognizer(model, 16000)
+        let recognizer = await module.createRecognizer(model, ctx.sampleRate)
 
         // Listen for result and partial result
         recognizer.addEventListener("result", ev => console.log("Result: ", ev.detail))
@@ -33,7 +32,7 @@
         // Recognize data on arrival
         transferer.port.onmessage = ev => recognizer.acceptWaveform(ev.data)
 
-        // Connect to microphone
+        // Connect transferer to microphone
         micNode.connect(transferer)
       }
     </script>