diff -r 1059a7ae018a -r 710a2ae08a74 cms/app-client/app/serializers/transcript.js
--- a/cms/app-client/app/serializers/transcript.js	Mon Nov 28 23:11:54 2016 +0100
+++ b/cms/app-client/app/serializers/transcript.js	Fri Dec 02 00:22:31 2016 +0100
@@ -1,109 +1,103 @@
 import JSONAPISerializer from 'ember-data/serializers/json-api';
+import _ from 'lodash/lodash';
 
 export default JSONAPISerializer.extend({
 
     normalizeResponse: function(store, primaryModelClass, payload, id) {
-        var speakers = payload['resources'].find(resource => resource['id'] === 'speakers');
-        var topics = payload['resources'].find(resource => resource['id'] === 'topics');
+        var speakerResources = payload['resources'].find(resource => resource['id'] === 'speakers') || {'content': { 'data': []}};
+        var speakers = _.reduce(
+          speakerResources['content']['data'],
+          function(res, s) { res[s.id] = s; return res;},
+          {});
+        var topicsResources = payload['resources'].find(resource => resource['id'] === 'topics') || {'content': { 'data': []}};
+        var topics = _.reduce(
+          topicsResources['content']['data'],
+          function(res, r) { res[r.id] = r; return res;},
+          {});
+
         var translationISO = false;
 
-        var buildFragment = function(annotation) {
-            var fragment = {
-                'original': annotation['content']['data']['content']
+        var turns = _.reduce(payload['annotation-types'] || [], function(res, t) {
+            res[t['id']] = {
+                title: t['dc:title'],
+                begin: t['corpus:begin'],
+                end: t['corpus:end'],
+                annotations: []
+            };
+            return res;
+        },{});
+
+        var sections = _.map(payload['lists'] || [], function(list){
+          var topic = topics[list['meta']['corpus:topic']['id-ref']];
+          return {
+            title: (topic && topic['desc'])?topic['desc'] : null,
+            begin: list['meta']['corpus:begin'],
+            end: list['meta']['corpus:end'],
+            turns: _.reduce((list['items'] || []), function(res,item) {
+              if(item['id-ref'] && turns[item['id-ref']]) {
+                res.push(turns[item['id-ref']]);
+              }
+              return res;
+            }, [])
+          };
+        });
+
+        var currentSpeaker = null;
+        var annotations = _.map(payload['annotations'] || [], function(annotation) {
+            var annot = {
+              original: annotation['content']['data']['content'],
+              begin: annotation['begin'],
+              end: annotation['end']
             };
             if(annotation['content']['data']['transl']) {
-                fragment['translation'] = annotation['content']['data']['transl']['@value'];
+                annot['translation'] = annotation['content']['data']['transl']['@value'];
             }
             if(annotation['content']['data']['words']) {
-                var words = [];
-                annotation['content']['data']['words'].forEach(function(word) {
-                    words.push({
+                var words = _.map(annotation['content']['data']['words'], function(word) {
+                    return {
                         'original': word['content'],
                         'translation': word['transl']['@value']
-                    });
+                    };
                 });
-                fragment['literal'] = words;
+                annot['literal'] = words;
             }
             if(annotation['content']['data']['speaker']) {
                 if(typeof annotation['content']['data']['speaker'] === 'object') {
-                    var speaker = speakers['content']['data'].find(speaker => speaker['id'] === annotation['content']['data']['speaker']['id-ref']);
+                    var speaker = speakers[annotation['content']['data']['speaker']['id-ref']];
                     if(speaker) {
-                        fragment['speaker'] = speaker['name'];
+                        annot['speaker'] = speaker['name'];
                     }
                 } else {
-                    fragment['speaker'] = annotation['content']['data']['speaker'];
+                    annot['speaker'] = annotation['content']['data']['speaker'];
                 }
+                annot['showSpeaker'] = (annot['speaker'] === currentSpeaker);
+                currentSpeaker = annot['speaker'];
             }
-            return fragment;
-        };
-
-        var annotations = [];
-        payload['annotations'].forEach(function(annotation) {
-            var previous = annotations[annotations.length - 1];
-            if(previous && annotation['begin'] === previous.begin && annotation['end'] === previous.end) {
-                previous.fragments.push(buildFragment(annotation));
-            } else {
-                var object = {
-                    'fragments': [buildFragment(annotation)],
-                    'begin': annotation['begin'],
-                    'end': annotation['end'],
-                };
-                annotations.push(object);
+            if(annotation['type'] && turns[annotation['type']]) {
+              var type = turns[annotation['type']];
+              annot['type'] = type;
+              type.annotations.push(annot);
             }
             if(!translationISO && annotation['content']['data']['transl']) {
                 translationISO = annotation['content']['data']['transl']['@language'];
             }
+
+            return annot;
         });
 
-        if(payload['annotation-types'].length) {
-            var types = [];
-            payload['annotation-types'].forEach(function(t) {
-                var object = {
-                    'title': t['dc:title'],
-                    'begin': t['corpus:begin'],
-                    'end': t['corpus:end']
-                };
-                var fragments = annotations.find(function(annotation) { return annotation['begin'] === t['corpus:begin'] && annotation['end'] === t['corpus:end']; });
-                if(fragments) {
-                    object['fragments'] = fragments['fragments'];
-                }
-                types.push(object);
-            });
-            annotations = types;
-        }
-
-        var sections = [];
-        if(payload['lists'].length) {
-            var lists = [];
-            payload['lists'].forEach(function(list) {
-                var topic = topics['content']['data'].find(topic => topic.id === list['meta']['corpus:topic']['id-ref']);
-                sections.push({
-                    'title': topic['desc'],
-                    'begin': list['meta']['corpus:begin'],
-                    'end': list['meta']['corpus:end']
-                });
-                lists.push(annotations.filter(annotation => annotation['begin'] >= list['meta']['corpus:begin'] && annotation['end'] <= list['meta']['corpus:end']));
-            });
-            annotations = lists;
-        } else {
-            annotations = [annotations];
-        }
-
         var response = {
             'data': {
-                'id': id,
-                'type': 'transcript',
-                'attributes': {
-                    'title': {},
-                    'annotations': annotations
+                id: id,
+                type: 'transcript',
+                attributes: {
+                    title: {},
+                    annotations: annotations,
+                    sections: sections,
+                    turns: turns
                 }
             }
         };
 
-        if(sections.length) {
-            response.data.attributes.sections = sections;
-        }
-
         if(Array.isArray(payload['meta']['dc:title'])) {
             var original = payload['meta']['dc:title'].find(function(title) { return title['@language'] !== translationISO; });
             if(original) {