diff --git a/plugins/jspsych-audio-audio-response.js b/plugins/jspsych-audio-audio-response.js
deleted file mode 100644
index 9607c438..00000000
--- a/plugins/jspsych-audio-audio-response.js
+++ /dev/null
@@ -1,472 +0,0 @@
-/**
- * jspsych-audio-audio-response
- * Matt Jaquiery, Feb 2018 (https://github.com/mjaquiery)
- * Becky Gilbert, Apr 2020 (https://github.com/becky-gilbert)
- * Hannah Small, 2020/07/07 (https://github.com/hesmall)
- * added in browser checking and mic checking using this code: https://experiments.ppls.ed.ac.uk/ -- Hannah Small, 2020/07/07
- * added option to manually end recording on each trial
- *
- * plugin for displaying an audio stimulus and getting an audio response (records audio only after the audio stimulus ends)
- *
- * documentation: docs.jspsych.org
- *
- **/
-
-jsPsych.plugins["audio-audio-response"] = (function() {
-
-    var plugin = {};
-
-    plugin.info = {
-        name: 'audio-audio-response',
-        description: 'Present a string and retrieve an audio response.',
-        parameters: {
-            audio_stimulus: {
-                type: jsPsych.plugins.parameterType.AUDIO,
-                pretty_name: 'Stimulus',
-                default: undefined,
-                description: 'The audio file to be played'
-            },
-            visual_stimulus: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Stimulus',
-                default: undefined,
-                description: 'Any visual stimulus to be displayed'
-            },
-            audio_stimulus: {
-                type: jsPsych.plugins.parameterType.AUDIO,
-                pretty_name: 'Stimulus',
-                default: undefined,
-                description: 'The audio file to be played'
-            },
-            buffer_length: {
-                type: jsPsych.plugins.parameterType.INT,
-                pretty_name: 'Buffer length',
-                default: 4000,
-                description: 'Length of the audio buffer.'
-            },
-            postprocessing: {
-                type: jsPsych.plugins.parameterType.FUNCTION,
-                pretty_name: 'Postprocessing function',
-                default: function(data) {
-                    return new Promise(function(resolve) {
-                        const blob = new Blob(data, { type: 'audio/webm' });
-                        // create URL, which is used to replay the audio file (if allow_playback is true)
-                        let url = URL.createObjectURL(blob);
-                        var reader = new window.FileReader();
-                        reader.readAsDataURL(blob);
-                        const readerPromise = new Promise(function(resolveReader) {
-                            reader.onloadend = function() {
-                                // Create base64 string, which is used to save the audio data in JSON/CSV format.
-                                // This has to go inside of a Promise so that the base64 data is converted before the 
-                                // higher-level data processing Promise is resolved (since that will pass the base64
-                                // data to the onRecordingFinish function).
-                                var base64 = reader.result;
-                                base64 = base64.split(',')[1];
-                                resolveReader(base64);
-                            };
-                        });
-                        readerPromise.then(function(base64) {
-                            // After the base64 string has been created we can resolve the higher-level Promise, 
-                            // which pass both the base64 data and the URL to the onRecordingFinish function.
-                            var processed_data = {url: url, str: base64};
-                            resolve(processed_data);
-                        });
-                    });
-                },
-                description: 'Function to execute on the audio data prior to saving. '+
-                    'This function takes the audio data as an argument, '+
-                    'and returns an object with keys called "str" and "url". '+
-                    'The str and url values are saved in the trial data as "audio_data" and "audio_url". '+
-                    'The url value is used as the audio source to replay the recording if allow_playback is true. '+
-                    'By default, the str value is a base64 string which can be saved in the JSON/CSV data and '+
-                    'later converted back into an audio file. '+
-                    'This parameter can be used to pass a custom function that saves the file using a different '+
-                    'method/format and generates an ID that relates this file to the trial data. '+
-                    'The custom postprocessing function must return an object with "str" and "url" keys. '+
-                    'The url value must be a valid audio source, which is used if allow_playback is true. '+
-                    'The str value can be null.'
-            },
-            allow_playback: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Allow playback',
-                default: true,
-                description: 'Whether to allow the participant to play back their '+
-                'recording and re-record if unhappy.'
-            },
-            recording_light: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Recording light',
-                default: '<div id="jspsych-audio-audio-response-light" '+
-                    'style="border: 2px solid darkred; background-color: darkred; '+
-                    'width: 50px; height: 50px; border-radius: 50px; margin: 20px auto; '+
-                    'display: block;"></div>',
-                description: 'HTML to display while recording is in progress.'
-            },
-            recording_light_off: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Recording light (off state)',
-                default: '<div id="jspsych-audio-audio-response-light" '+
-                'style="border: 2px solid darkred; background-color: inherit; '+
-                'width: 50px; height: 50px; border-radius: 50px; margin: 20px auto; '+
-                'display: block;"></div>',
-                description: 'HTML to display while recording is not in progress.'
-            },
-            prompt: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Prompt',
-                default: null,
-                description: 'Any content here will be displayed under the button.'
-            },
-            stimulus_duration: {
-                type: jsPsych.plugins.parameterType.INT,
-                pretty_name: 'Stimulus duration',
-                default: null,
-                description: 'How long to show the stimulus.'
-            },
-            margin_vertical: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Margin vertical',
-                default: '0px',
-                description: 'The vertical margin of the button.'
-            },
-            margin_horizontal: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Margin horizontal',
-                default: '8px',
-                description: 'The horizontal margin of the button.'
-            },
-            response_ends_trial: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Response ends trial',
-                default: false,
-                description: 'If true, then trial will end when user responds.'
-            },
-            wait_for_mic_approval: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Wait for mic approval',
-                default: false,
-                description: 'If true, the trial will not start until the participant approves the browser mic request.'
-            },
-            enable_mic_message: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Will allow pop-up for participant to enable microphone',
-                default: false,
-                description: 'If true, will allow the browser mic request. This should be done before recording any audio!'
-            },
-            manually_end_recording: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Subject will manually end their recording',
-                default: false,
-                description: 'If true, the subject will have to press a key to stop recording and continue.'
-            },
-            manually_end_recording_key: {
-                type: jsPsych.plugins.parameterType.KEYCODE,
-                pretty_name: 'Key to manually end recording',
-                default: jsPsych.ALL_KEYS,
-                description: 'The key to end recording on any given trial, default is any key.'
-
-            }
-        }
-    };
-
-    plugin.trial = function(display_element, trial) {
-
-        if(typeof trial.audio_stimulus === 'undefined'){
-            console.error('Required parameter "audio_stimulus" missing in audio-audio-response');
-        }
-
-
-        let playbackElements = [];
-        // store response
-        let response = {
-            rt: null,
-            audio_data: null,
-            key: null
-        };
-        let recorder = null;
-        let start_time = null;
-
-    
-        //setup stimulus
-        var context = jsPsych.pluginAPI.audioContext();
-        if(context !== null){
-          var source = context.createBufferSource();
-          source.buffer = jsPsych.pluginAPI.getAudioBuffer(trial.audio_stimulus);
-          source.connect(context.destination);
-        } else {
-          var audio = jsPsych.pluginAPI.getAudioBuffer(trial.audio_stimulus);
-          audio.currentTime = 0;
-        }
-
-        let html = '<div id="jspsych-audio-audio-response-stimulus">'+trial.visual_stimulus+'</div>';
-
-        // add prompt if there is one
-        if (trial.prompt !== null) {
-            html += trial.prompt;
-        }
-
-        trial.recording_light = '<div id="jspsych-audio-audio-response-light" '+ trial.recording_light + '</div>'
-        trial.recording_light_off = '<div id="jspsych-audio-audio-response-light" '+ trial.recording_light_off + '</div>'
-
-
-        // add recording off light
-        html += '<div id="jspsych-audio-audio-response-recording-container">'+trial.recording_light_off+'</div>';
-
-        // add audio element container with hidden audio element
-        html += '<div id="jspsych-audio-audio-response-audio-container"><audio id="jspsych-audio-audio-response-audio" controls style="visibility:hidden;"></audio></div>';
-
-        // add button element with hidden buttons
-        html += '<div id="jspsych-audio-audio-response-buttons"><button id="jspsych-audio-audio-response-rerecord" class="jspsych-audio-response-button jspsych-btn" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'; visibility:hidden;">Retry</button><button id="jspsych-audio-audio-response-okay" class="jspsych-audio-response-button jspsych-btn" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'; visibility:hidden;">Okay</button></div>';
-
-        function start_trial() {
-            display_element.innerHTML = html;
-            document.querySelector('#jspsych-audio-audio-response-okay').addEventListener('click', end_trial);
-            document.querySelector('#jspsych-audio-audio-response-rerecord').addEventListener('click', start_recording);
-            // Add visual indicators to let people know we're recording
-            document.querySelector('#jspsych-audio-audio-response-recording-container').innerHTML = trial.recording_light;
-            // trial start time
-            start_time = performance.now();
-            // set timer to hide-html if stimulus duration is set
-            if (trial.stimulus_duration !== null) {
-                jsPsych.pluginAPI.setTimeout(function() {
-                    display_element.querySelector('#jspsych-audio-audio-response-stimulus').style.visibility = 'hidden';
-                }, trial.stimulus_duration);
-            }
-            // start audio
-            if(context !== null){
-                startTime = context.currentTime;
-                source.start(startTime);
-            } else {
-                audio.play();
-            }
-            
-            //only allow recording after the audio has finished!
-            audio.onended = function() {
-                start_time = performance.now(); //reset start time to measure rt from end of audio file
-                if (trial.wait_for_mic_approval===false) {
-                    start_recording();
-                }
-            }
-
-            
-        }
-
-
-        // audio element processing
-        function start_recording() {
-            // hide existing playback elements
-            playbackElements.forEach(function (id) {
-                let element = document.getElementById(id);
-                element.style.visibility = 'hidden';
-            });
-            navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(process_audio);
-            if (!trial.wait_for_mic_approval) {
-                // Add visual indicators to let people know we're recording
-                document.querySelector('#jspsych-audio-audio-response-recording-container').innerHTML = trial.recording_light;
-            }
-        }
-        
-        // function to handle responses by the subject
-        function process_audio(stream) {
-
-            if (trial.wait_for_mic_approval) {
-                if (start_time === null) {
-                    start_trial();
-                } else {
-                    document.querySelector('#jspsych-audio-audio-response-recording-container').innerHTML = trial.recording_light;
-                }
-            } 
-
-            // This code largely thanks to skyllo at
-            // http://air.ghost.io/recording-to-an-audio-file-using-html5-and-js/
-
-            // store streaming data chunks in array
-            const chunks = [];
-            // create media recorder instance to initialize recording
-            // Note: the MediaRecorder function is not supported in Safari or Edge
-
-            //ADD check for browser! FROM https://experiments.ppls.ed.ac.uk/, THANKS TO ANNIE HOLTZ AND KENNY SMITH
-
-            var wrong_browser_message = "Sorry, it's not possible to run the experiment on your web browser. Please try using Chrome or Firefox instead.";
-            var declined_audio_message = "You must allow audio recording to take part in the experiment. Please reload the page and allow access to your microphone to proceed.";
-
-            // function that throws error and displays message if experiment is run in browsers that do not support MediaRecorder, or if microphone access is denied
-            function errorQuit(message) {
-              var body = document.getElementsByTagName('body')[0];
-              body.innerHTML = '<p style="color: #FF0000">'+message+'</p>'+body.innerHTML;//defines the style of error messages
-              throw error;
-            };
-
-            
-            //either starts handlerFunction if access to microphone is enabeled or catches that it is blocked and calls errorQuit function
-            if(trial.enable_mic_message){
-                navigator.mediaDevices.getUserMedia({audio:true})
-                    .then(stream => {handlerFunction(stream)})
-                    .catch(error => {errorQuit(declined_audio_message)});
-            }else{
-                
-                recorder = new MediaRecorder(stream)
-                stream = recorder.stream
-                handlerFunction(stream)
-            }
-            //function that catches incompatibility with MediaRecorder (e.g. in Safari or Edge)
-            function handlerFunction(stream) {
-                try {
-                    recorder = new MediaRecorder(stream);
-                    recorder.data = [];
-                    recorder.wrapUp = false;
-                    recorder.ondataavailable = function(e) {
-                    // add stream data to chunks
-                    chunks.push(e.data);
-                    if (recorder.wrapUp) {
-                        if (typeof trial.postprocessing !== 'undefined') {
-                            trial.postprocessing(chunks)
-                                .then(function(processedData) {
-                                    onRecordingFinish(processedData);
-                                });
-                    } else {
-                        // should never fire - trial.postprocessing should use the default function if
-                        // not passed in via trial parameters
-                        onRecordingFinish(chunks);
-                    }
-                    }
-                }; 
-
-                // start recording with 1 second time between receiving 'ondataavailable' events
-                recorder.start(1000);
-                
-                if(trial.manually_end_recording == false){
-                    // setTimeout to stop recording after 4 seconds
-                    setTimeout(function() {
-                        // this will trigger one final 'ondataavailable' event and set recorder state to 'inactive'
-                        recorder.stop();
-                        recorder.wrapUp = true;
-                        }, trial.buffer_length);
-                }else{
-                    //wait for response from keyboard to end recording
-                    var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
-                        callback_function: after_response,
-                        valid_responses: trial.manually_end_recording_key,
-                        rt_method: 'performance',
-                        persist: false,
-                        allow_held_key: false
-                    });
-
-
-                }
-            } catch(error) {
-                errorQuit(wrong_browser_message);
-            };
-        }
-                   
-           // navigator.mediaDevices.getUserMedia({audio:true});
-            //recorder = new MediaRecorder(stream);
-            //recorder.data = [];
-            //recorder.wrapUp = false;
-
-        }
-
-        var after_response = function(info){
-
-            // after a valid response, the stimulus will have the CSS class 'responded'
-            // which can be used to provide visual feedback that a response was recorded
-            //display_element.querySelector('#jspsych-audio-audio-response-stimulus').className += ' responded';
-
-            // only record the first response
-            if (response.key == null) {
-                response = info;
-            }
-             
-            // this will trigger one final 'ondataavailable' event and set recorder state to 'inactive'
-            recorder.stop();
-            recorder.wrapUp = true;
-        }
-
-
-        function showPlaybackTools(data) {
-            // Audio Player
-            let playerDiv = display_element.querySelector('#jspsych-audio-audio-response-audio-container');
-            let url;
-            if (data instanceof Blob) {
-                const blob = new Blob(data, { type: 'audio/webm' });
-                url = (URL.createObjectURL(blob));
-            } else {
-                url = data;
-            }
-            let player = playerDiv.querySelector('#jspsych-audio-audio-response-audio');
-            player.src = url;
-            player.style.visibility = "visible";
-            // Okay/rerecord buttons
-            let buttonDiv = document.querySelector('#jspsych-audio-audio-response-buttons');
-            let rerecord = buttonDiv.querySelector('#jspsych-audio-audio-response-rerecord');
-            let okay = buttonDiv.querySelector('#jspsych-audio-audio-response-okay');
-            rerecord.style.visibility = 'visible';
-            okay.style.visibility = 'visible';
-            // Save ids of things we want to hide later:
-            playbackElements = [player.id, okay.id, rerecord.id];
-        }
-
-        function onRecordingFinish(data) {
-            // switch to the off visual indicator
-            let light = document.querySelector('#jspsych-audio-audio-response-recording-container');
-            if (light !== null)
-                light.innerHTML = trial.recording_light_off;
-            // measure rt
-            let end_time = performance.now();
-            let rt = end_time - start_time;
-            response.audio_data = data.str;
-            response.audio_url = data.url;
-            response.rt = rt;
-
-            if (trial.response_ends_trial) {
-                end_trial();
-            } else if (trial.allow_playback) {  // only allow playback if response doesn't end trial
-                showPlaybackTools(response.audio_url);
-            } else { 
-                // fallback in case response_ends_trial and allow_playback are both false, 
-                // which would mean the trial never ends
-                end_trial();
-            }
-        }
-
-        // function to end trial when it is time
-        function end_trial() {
-            // kill any remaining setTimeout handlers
-            jsPsych.pluginAPI.clearAllTimeouts();
-            //kill keyboard listeners
-            jsPsych.pluginAPI.cancelAllKeyboardResponses();
-
-            //stop and clear audio
-            if(context !== null){
-                source.stop();
-                source.onended = function() { }
-            } else {
-                audio.pause();
-                audio.removeEventListener('ended', end_trial);
-            }
-
-            // gather the data to store for the trial
-            let trial_data = {
-                "rt": response.rt,
-                "stimulus": trial.stimulus,
-                "audio_data": response.audio_data,
-                "key_press": response.key
-            };
-
-            // clear the display
-            display_element.innerHTML = '';
-
-            // move on to the next trial
-            jsPsych.finishTrial(trial_data);
-        }
-
-        if (trial.wait_for_mic_approval) {
-            start_recording();
-            } else {
-                start_trial();
-            }
-
-    };
-
-    return plugin;
-})();
\ No newline at end of file
diff --git a/plugins/jspsych-html-audio-response.js b/plugins/jspsych-html-audio-response.js
deleted file mode 100644
index 06ca4b05..00000000
--- a/plugins/jspsych-html-audio-response.js
+++ /dev/null
@@ -1,416 +0,0 @@
-/**
- * jspsych-html-audio-response
- * Matt Jaquiery, Feb 2018 (https://github.com/mjaquiery)
- * Becky Gilbert, Apr 2020 (https://github.com/becky-gilbert)
-  * Hannah Small, 2020/07/07 (https://github.com/hesmall)
- * added in browser checking and mic checking using this code: https://experiments.ppls.ed.ac.uk/ -- Hannah Small, 2020/07/07
- * added option to manually end recording on each trial
- *
- * plugin for displaying an html stimulus and getting an audio response
- *
- * documentation: docs.jspsych.org
- *
- **/
-
-jsPsych.plugins["html-audio-response"] = (function() {
-
-    var plugin = {};
-
-    plugin.info = {
-        name: 'html-audio-response',
-        description: 'Present a string and retrieve an audio response.',
-        parameters: {
-            stimulus: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Stimulus',
-                default: undefined,
-                description: 'The string to be displayed'
-            },
-            buffer_length: {
-                type: jsPsych.plugins.parameterType.INT,
-                pretty_name: 'Buffer length',
-                default: 4000,
-                description: 'Length of the audio buffer.'
-            },
-            postprocessing: {
-                type: jsPsych.plugins.parameterType.FUNCTION,
-                pretty_name: 'Postprocessing function',
-                default: function(data) {
-                    return new Promise(function(resolve) {
-                        const blob = new Blob(data, { type: 'audio/webm' });
-                        // create URL, which is used to replay the audio file (if allow_playback is true)
-                        let url = URL.createObjectURL(blob);
-                        var reader = new window.FileReader();
-                        reader.readAsDataURL(blob);
-                        const readerPromise = new Promise(function(resolveReader) {
-                            reader.onloadend = function() {
-                                // Create base64 string, which is used to save the audio data in JSON/CSV format.
-                                // This has to go inside of a Promise so that the base64 data is converted before the 
-                                // higher-level data processing Promise is resolved (since that will pass the base64
-                                // data to the onRecordingFinish function).
-                                var base64 = reader.result;
-                                base64 = base64.split(',')[1];
-                                resolveReader(base64);
-                            };
-                        });
-                        readerPromise.then(function(base64) {
-                            // After the base64 string has been created we can resolve the higher-level Promise, 
-                            // which pass both the base64 data and the URL to the onRecordingFinish function.
-                            var processed_data = {url: url, str: base64};
-                            resolve(processed_data);
-                        });
-                    });
-                },
-                description: 'Function to execute on the audio data prior to saving. '+
-                    'This function takes the audio data as an argument, '+
-                    'and returns an object with keys called "str" and "url". '+
-                    'The str and url values are saved in the trial data as "audio_data" and "audio_url". '+
-                    'The url value is used as the audio source to replay the recording if allow_playback is true. '+
-                    'By default, the str value is a base64 string which can be saved in the JSON/CSV data and '+
-                    'later converted back into an audio file. '+
-                    'This parameter can be used to pass a custom function that saves the file using a different '+
-                    'method/format and generates an ID that relates this file to the trial data. '+
-                    'The custom postprocessing function must return an object with "str" and "url" keys. '+
-                    'The url value must be a valid audio source, which is used if allow_playback is true. '+
-                    'The str value can be null.'
-            },
-            allow_playback: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Allow playback',
-                default: true,
-                description: 'Whether to allow the participant to play back their '+
-                'recording and re-record if unhappy.'
-            },
-            recording_light: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Recording light',
-                default: '<div id="jspsych-html-audio-response-light" '+
-                    'style="border: 2px solid darkred; background-color: darkred; '+
-                    'width: 50px; height: 50px; border-radius: 50px; margin: 20px auto; '+
-                    'display: block;"></div>',
-                description: 'HTML to display while recording is in progress.'
-            },
-            recording_light_off: {
-                type: jsPsych.plugins.parameterType.HTML_STRING,
-                pretty_name: 'Recording light (off state)',
-                default: '<div id="jspsych-html-audio-response-light" '+
-                'style="border: 2px solid darkred; background-color: inherit; '+
-                'width: 50px; height: 50px; border-radius: 50px; margin: 20px auto; '+
-                'display: block;"></div>',
-                description: 'HTML to display while recording is not in progress.'
-            },
-            prompt: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Prompt',
-                default: null,
-                description: 'Any content here will be displayed under the button.'
-            },
-            stimulus_duration: {
-                type: jsPsych.plugins.parameterType.INT,
-                pretty_name: 'Stimulus duration',
-                default: null,
-                description: 'How long to show the stimulus.'
-            },
-            margin_vertical: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Margin vertical',
-                default: '0px',
-                description: 'The vertical margin of the button.'
-            },
-            margin_horizontal: {
-                type: jsPsych.plugins.parameterType.STRING,
-                pretty_name: 'Margin horizontal',
-                default: '8px',
-                description: 'The horizontal margin of the button.'
-            },
-            response_ends_trial: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Response ends trial',
-                default: false,
-                description: 'If true, then trial will end when user responds.'
-            },
-            wait_for_mic_approval: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Wait for mic approval',
-                default: false,
-                description: 'If true, the trial will not start until the participant approves the browser mic request.'
-            },
-            enable_mic_message: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Will allow pop-up for participant to enable microphone',
-                default: false,
-                description: 'If true, will allow the browser mic request. This should be done before recording any audio!'
-            },
-            manually_end_recording: {
-                type: jsPsych.plugins.parameterType.BOOL,
-                pretty_name: 'Subject will manually end their recording',
-                default: false,
-                description: 'If true, the subject will have to press a key to stop recording and continue.'
-            },
-            manually_end_recording_key: {
-                type: jsPsych.plugins.parameterType.KEYCODE,
-                pretty_name: 'Key to manually end recording',
-                default: jsPsych.ALL_KEYS,
-                description: 'The key to end recording on any given trial, default is any key.'
-
-            }
-        }
-    };
-
-    plugin.trial = function(display_element, trial) {
-
-        if(typeof trial.stimulus === 'undefined'){
-            console.error('Required parameter "stimulus" missing in html-audio-response');
-        }
-
-        let playbackElements = [];
-        // store response
-        let response = {
-            rt: null,
-            audio_data: null
-        };
-        let recorder = null;
-        let start_time = null;
-
-        // add stimulus
-        let html = '<div id="jspsych-html-audio-response-stimulus">'+trial.stimulus+'</div>';
-
-        // add prompt if there is one
-        if (trial.prompt !== null) {
-            html += trial.prompt;
-        }
-
-        // add recording off light
-        html += '<div id="jspsych-html-audio-response-recording-container">'+trial.recording_light_off+'</div>';
-
-        // add audio element container with hidden audio element
-        html += '<div id="jspsych-html-audio-response-audio-container"><audio id="jspsych-html-audio-response-audio" controls style="visibility:hidden;"></audio></div>';
-
-        // add button element with hidden buttons
-        html += '<div id="jspsych-html-audio-response-buttons"><button id="jspsych-html-audio-response-rerecord" class="jspsych-audio-response-button jspsych-btn" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'; visibility:hidden;">Retry</button><button id="jspsych-html-audio-response-okay" class="jspsych-audio-response-button jspsych-btn" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'; visibility:hidden;">Sounds good!</button></div>';
-
-        function start_trial() {
-            display_element.innerHTML = html;
-            document.querySelector('#jspsych-html-audio-response-okay').addEventListener('click', end_trial);
-            document.querySelector('#jspsych-html-audio-response-rerecord').addEventListener('click', start_recording);
-            // Add visual indicators to let people know we're recording
-            document.querySelector('#jspsych-html-audio-response-recording-container').innerHTML = trial.recording_light;
-            // trial start time
-            start_time = performance.now();
-            // set timer to hide-html if stimulus duration is set
-            if (trial.stimulus_duration !== null) {
-                jsPsych.pluginAPI.setTimeout(function() {
-                    display_element.querySelector('#jspsych-html-audio-response-stimulus').style.visibility = 'hidden';
-                }, trial.stimulus_duration);
-            }
-            if (!trial.wait_for_mic_approval) {
-                start_recording();
-            }
-        }
-
-        // audio element processing
-        function start_recording() {
-            // hide existing playback elements
-            playbackElements.forEach(function (id) {
-                let element = document.getElementById(id);
-                element.style.visibility = 'hidden';
-            });
-            navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(process_audio);
-            if (!trial.wait_for_mic_approval) {
-                // Add visual indicators to let people know we're recording
-                document.querySelector('#jspsych-html-audio-response-recording-container').innerHTML = trial.recording_light;
-            }
-        }
-        
-        // function to handle responses by the subject
-        function process_audio(stream) {
-
-            if (trial.wait_for_mic_approval) {
-                if (start_time === null) {
-                    start_trial();
-                } else {
-                    document.querySelector('#jspsych-html-audio-response-recording-container').innerHTML = trial.recording_light;
-                }
-            } 
-
-            // This code largely thanks to skyllo at
-            // http://air.ghost.io/recording-to-an-audio-file-using-html5-and-js/
-
-            // store streaming data chunks in array
-            const chunks = [];
-            // create media recorder instance to initialize recording
-            // Note: the MediaRecorder function is not supported in Safari or Edge
-
-            //ADD check for browser! FROM https://experiments.ppls.ed.ac.uk/, THANKS TO ANNIE HOLTZ AND KENNY SMITH
-
-            var wrong_browser_message = "Sorry, it's not possible to run the experiment on your web browser. Please try using Chrome or Firefox instead.";
-            var declined_audio_message = "You must allow audio recording to take part in the experiment. Please reload the page and allow access to your microphone to proceed.";
-
-            // function that throws error and displays message if experiment is run in browsers that do not support MediaRecorder, or if microphone access is denied
-            function errorQuit(message) {
-              var body = document.getElementsByTagName('body')[0];
-              body.innerHTML = '<p style="color: #FF0000">'+message+'</p>'+body.innerHTML;//defines the style of error messages
-              throw error;
-            };
-
-            //either starts handlerFunction if access to microphone is enabeled or catches that it is blocked and calls errorQuit function
-            if(trial.enable_mic_message){
-                navigator.mediaDevices.getUserMedia({audio:true})
-                    .then(stream => {handlerFunction(stream)})
-                    .catch(error => {errorQuit(declined_audio_message)});
-            }else{
-                recorder = new MediaRecorder(stream)
-                stream = recorder.stream
-                handlerFunction(stream)
-            }
-            //function that catches incompatibility with MediaRecorder (e.g. in Safari or Edge)
-            function handlerFunction(stream) {
-                try {
-                    recorder = new MediaRecorder(stream);
-                    recorder.data = [];
-                    recorder.wrapUp = false;
-                    recorder.ondataavailable = function(e) {
-                    // add stream data to chunks
-                    chunks.push(e.data);
-                    if (recorder.wrapUp) {
-                        if (typeof trial.postprocessing !== 'undefined') {
-                            trial.postprocessing(chunks)
-                                .then(function(processedData) {
-                                    onRecordingFinish(processedData);
-                                });
-                    } else {
-                        // should never fire - trial.postprocessing should use the default function if
-                        // not passed in via trial parameters
-                        onRecordingFinish(chunks);
-                    }
-                    }
-                }; 
-
-                // start recording with 1 second time between receiving 'ondataavailable' events
-                recorder.start(1000);
-                
-                if(trial.manually_end_recording == false){
-                    // setTimeout to stop recording after 4 seconds
-                    setTimeout(function() {
-                        // this will trigger one final 'ondataavailable' event and set recorder state to 'inactive'
-                        recorder.stop();
-                        recorder.wrapUp = true;
-                        }, trial.buffer_length);
-                }else{
-                    //wait for response from keyboard to end recording
-                    var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
-                        callback_function: after_response,
-                        valid_responses: trial.manually_end_recording_key,
-                        rt_method: 'performance',
-                        persist: false,
-                        allow_held_key: false
-                    });
-
-
-                }
-            } catch(error) {
-                errorQuit(wrong_browser_message);
-            };
-        }
-                   
-           // navigator.mediaDevices.getUserMedia({audio:true});
-            //recorder = new MediaRecorder(stream);
-            //recorder.data = [];
-            //recorder.wrapUp = false;
-
-        }
-
-        var after_response = function(info){
-
-            // after a valid response, the stimulus will have the CSS class 'responded'
-            // which can be used to provide visual feedback that a response was recorded
-            display_element.querySelector('#jspsych-html-audio-response-stimulus').className += ' responded';
-
-            // only record the first response
-            if (response.key == null) {
-                response = info;
-            }
-            // this will trigger one final 'ondataavailable' event and set recorder state to 'inactive'
-            recorder.stop();
-            recorder.wrapUp = true;
-        }
-
-
-        function showPlaybackTools(data) {
-            // Audio Player
-            let playerDiv = display_element.querySelector('#jspsych-html-audio-response-audio-container');
-            let url;
-            if (data instanceof Blob) {
-                const blob = new Blob(data, { type: 'audio/webm' });
-                url = (URL.createObjectURL(blob));
-            } else {
-                url = data;
-            }
-            let player = playerDiv.querySelector('#jspsych-html-audio-response-audio');
-            player.src = url;
-            player.style.visibility = "visible";
-            // Okay/rerecord buttons
-            let buttonDiv = document.querySelector('#jspsych-html-audio-response-buttons');
-            let rerecord = buttonDiv.querySelector('#jspsych-html-audio-response-rerecord');
-            let okay = buttonDiv.querySelector('#jspsych-html-audio-response-okay');
-            rerecord.style.visibility = 'visible';
-            okay.style.visibility = 'visible';
-            // Save ids of things we want to hide later:
-            playbackElements = [player.id, okay.id, rerecord.id];
-        }
-
-        function onRecordingFinish(data) {
-            // switch to the off visual indicator
-            let light = document.querySelector('#jspsych-html-audio-response-recording-container');
-            if (light !== null)
-                light.innerHTML = trial.recording_light_off;
-            // measure rt
-            let end_time = performance.now();
-            let rt = end_time - start_time;
-            response.audio_data = data.str;
-            response.audio_url = data.url;
-            response.rt = rt;
-
-            if (trial.response_ends_trial) {
-                end_trial();
-            } else if (trial.allow_playback) {  // only allow playback if response doesn't end trial
-                showPlaybackTools(response.audio_url);
-            } else { 
-                // fallback in case response_ends_trial and allow_playback are both false, 
-                // which would mean the trial never ends
-                end_trial();
-            }
-        }
-
-        // function to end trial when it is time
-        function end_trial() {
-            // kill any remaining setTimeout handlers
-            jsPsych.pluginAPI.clearAllTimeouts();
-            //kill keyboard listeners
-            jsPsych.pluginAPI.cancelAllKeyboardResponses();
-
-            // gather the data to store for the trial
-            let trial_data = {
-                "rt": response.rt,
-                "stimulus": trial.stimulus,
-                "audio_data": response.audio_data,
-                "key_press": response.key
-            };
-
-            // clear the display
-            display_element.innerHTML = '';
-
-            // move on to the next trial
-            jsPsych.finishTrial(trial_data);
-        }
-
-        if (trial.wait_for_mic_approval) {
-            start_recording();
-            } else {
-                start_trial();
-            }
-
-    };
-
-    return plugin;
-})();
\ No newline at end of file