Nothing is working but it is on the right track! ASYNCIFY removed, manual waiting instead and some proxying logic

src/processor.js

@@ -0,0 +1,28 @@
+// A copy and pass processor, check if already registered
+if(typeof BRProcessor === "undefined") {
+  var BRProcessor = class extends AudioWorkletProcessor {
+    constructor(options) {
+      super(options)
+      this.done = false
+      this.port.onmessage = (ev) => {
+        switch(ev.cmd) {
+          case "init":
+            this.recognizerPort = ev.ports[0]
+            this.wasmMem = new Float32Array(WebAssembly.Memory.buffer).subarray(ev.ptr, ev.ptr+512)
+            break
+          case "deinit":
+            this.done = true
+            break
+        }
+      }
+    }
+    process(inputs, outputs, params) {
+      if(this.done) return false;
+      inputs[0].copyFromChannel(this.wasmMem, this.channel)
+      this.recognizerPort.postMessage(".") // Basically an empty message
+      outputs = inputs
+      return true
+    }
+  }
+  registerProcessor("BRProcessor", BRProcessor)
+}