// fallback, mostly when on Safari
                || false;                          // could not find.

            if (AudioContext) {
                soundContext = new AudioContext();
            } else {
                alert("Audio context not supported");
            }
        } catch (e) {
            window.console.log("no sound context found, no audio output. " + e);
        }

        function resetUiForScenarioStart() {
            phraseDiv.innerHTML = "";
            statusDiv.innerHTML = "";