Wasm audio FIR. Version: 0.1
        
          If no recording, check developer console(Ctrl+Shift+I) or add domain (http://wasm.main.lv) to chrome://flags/#unsafely-treat-insecure-origin-as-secure 
          Workflow(r->s->q)
          Supported keys:
          r - record sound buffer
          s - play recorded buffer
          q - applay fir filter
        
          Changelog:
            v0.1 - initial release