diff --git a/lib/Alchemy/Phrasea/Controller/Prod/ToolsController.php b/lib/Alchemy/Phrasea/Controller/Prod/ToolsController.php
index b549650286..4bdd562424 100644
--- a/lib/Alchemy/Phrasea/Controller/Prod/ToolsController.php
+++ b/lib/Alchemy/Phrasea/Controller/Prod/ToolsController.php
@@ -15,24 +15,21 @@ use Alchemy\Phrasea\Application\Helper\FilesystemAware;
 use Alchemy\Phrasea\Application\Helper\SubDefinitionSubstituerAware;
 use Alchemy\Phrasea\Controller\Controller;
 use Alchemy\Phrasea\Controller\RecordsRequest;
+use Alchemy\Phrasea\Core\Event\Record\RecordAutoSubtitleEvent;
 use Alchemy\Phrasea\Core\Event\Record\RecordEvents;
 use Alchemy\Phrasea\Core\Event\Record\SubdefinitionCreateEvent;
+use Alchemy\Phrasea\Core\PhraseaEvents;
 use Alchemy\Phrasea\Exception\RuntimeException;
 use Alchemy\Phrasea\Metadata\PhraseanetMetadataReader;
 use Alchemy\Phrasea\Metadata\PhraseanetMetadataSetter;
 use Alchemy\Phrasea\Record\RecordWasRotated;
 use DataURI\Parser;
-use GuzzleHttp\Client;
 use MediaAlchemyst\Alchemyst;
 use MediaVorus\MediaVorus;
 use Symfony\Component\HttpFoundation\Request;
 
 class ToolsController extends Controller
 {
-    const GINGER_BASE_URL = "https://test.api.ginger.studio/recognition/speech";
-    const GINGER_TOKEN    = "39c6011d-3bbe-4f39-95d0-a327d320ded4";
-    const GINGER_TRANSCRIPT_FORMAT = "text/vtt";
-
     use DataboxLoggerAware;
     use DispatcherAware;
     use FilesystemAware;
@@ -454,119 +451,17 @@ class ToolsController extends Controller
 
     public function autoSubtitleAction(Request $request)
     {
-        $return = ['success' => false,  'errorMessage' => ''];
         $record = new \record_adapter($this->app,
             (int)$request->request->get("databox_id"),
             (int)$request->request->get("record_id")
         );
 
-        if ($record->has_preview() && ($previewLink = $record->get_preview()->get_permalink()) !== null && $request->request->get("meta_struct_id")) {
-            switch ($request->request->get("subtitle_language_source")) {
-                case 'En':
-                    $language = 'en-GB';
-                    break;
-                case 'De':
-                    $language = 'de-DE';
-                    break;
-                case 'Fr':
-                default:
-                    $language = 'fr-FR';
-                    break;
-            }
+        $this->dispatch(
+            PhraseaEvents::RECORD_AUTO_SUBTITLE,
+            new RecordAutoSubtitleEvent($record, $request->request->get("subtitle_language_source"), $request->request->get("meta_struct_id"))
+        );
 
-            $permalinkUrl = $previewLink->get_url()->__toString();
-
-            $gingerClient = new Client();
-
-            try {
-                $response = $gingerClient->post(self::GINGER_BASE_URL.'/media/', [
-                    'headers' => [
-                        'Authorization' => 'token '.self::GINGER_TOKEN
-                    ],
-                    'json' => [
-                        'url'       => $permalinkUrl,
-                        'language'  => $language
-                    ]
-                ]);
-            } catch(\Exception $e) {
-                $return['errorMessage'] = $e->getMessage();
-
-                return $this->app->json($return);
-            }
-
-            if ($response->getStatusCode() !== 201) {
-                return $this->app->json($return);
-            }
-
-            $responseMediaBody = $response->getBody()->getContents();
-            $responseMediaBody = json_decode($responseMediaBody,true);
-
-            $checkStatus = null;
-            do {
-                // first wait 5 second before check subtitling status
-                sleep(5);
-
-                try {
-                    $response = $gingerClient->get(self::GINGER_BASE_URL.'/task/'.$responseMediaBody['task_id'].'/', [
-                        'headers' => [
-                            'Authorization' => 'token '.self::GINGER_TOKEN
-                        ]
-                    ]);
-                } catch (\Exception $e) {
-                    $checkStatus = false;
-                }
-
-                if ($response->getStatusCode() !== 200) {
-                    $checkStatus = false;
-                    break;
-                }
-
-                $responseTaskBody = $response->getBody()->getContents();
-                $responseTaskBody = json_decode($responseTaskBody,true);
-
-            } while($responseTaskBody['status'] != 'SUCCESS');
-
-            if (!$checkStatus) {
-                return $this->app->json($return);
-            }
-
-            try {
-                $response = $gingerClient->get(self::GINGER_BASE_URL.'/media/'.$responseMediaBody['media']['uuid'].'/', [
-                    'headers' => [
-                        'Authorization' => 'token '.self::GINGER_TOKEN,
-                        'ACCEPT'        => self::GINGER_TRANSCRIPT_FORMAT
-                    ],
-                    'query' => [
-                        'language'  => $language
-                    ]
-                ]);
-            } catch (\Exception $e) {
-                return $this->app->json($return);
-            }
-            if ($response->getStatusCode() !== 201) {
-                return $this->app->json($return);
-            }
-
-            $transcriptContent = $response->getBody()->getContents();
-
-            $metadatas[0] = [
-                'meta_struct_id' => (int)$request->request->get("meta_struct_id"),
-                'meta_id'        => '',
-                'value'          => $transcriptContent
-            ];
-
-            try {
-                $record->set_metadatas($metadatas);
-            } catch (\Exception $e) {
-                $return['errorMessage'] = $e->getMessage();
-
-                return $this->app->json($return);
-            }
-
-            $return['success'] = true;
-        }
-
-        return $this->app->json($return);
+        return $this->app->json(["status" => "dispatch"]);
     }
 
     public function videoEditorAction(Request $request)
diff --git a/lib/Alchemy/Phrasea/Core/Event/Record/RecordAutoSubtitleEvent.php b/lib/Alchemy/Phrasea/Core/Event/Record/RecordAutoSubtitleEvent.php
new file mode 100644
index 0000000000..5f502930e5
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Record/RecordAutoSubtitleEvent.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Alchemy\Phrasea\Core\Event\Record;
+
+use Alchemy\Phrasea\Model\RecordInterface;
+
+class RecordAutoSubtitleEvent extends RecordEvent
+{
+    private $languageSource;
+    private $metaStructId;
+
+    public function __construct(RecordInterface $record, $languageSource, $metaStructId)
+    {
+        parent::__construct($record);
+
+        $this->languageSource = $languageSource;
+        $this->metaStructId  = $metaStructId;
+    }
+
+    public function getLanguageSource()
+    {
+        return $this->languageSource;
+    }
+
+    public function getMetaStructId()
+    {
+        return $this->metaStructId;
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/PhraseaEvents.php b/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
index 90adac69dd..1e1daf714b 100644
--- a/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
+++ b/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
@@ -54,6 +54,8 @@ final class PhraseaEvents
     const RECORD_EDIT = 'record.edit';
     const RECORD_UPLOAD = 'record.upload';
 
+    const RECORD_AUTO_SUBTITLE = 'record.auto-subtitle';
+
     const THESAURUS_IMPORTED = 'thesaurus.imported';
     const THESAURUS_FIELD_LINKED = 'thesaurus.field-linked';
     const THESAURUS_CANDIDATE_ACCEPTED_AS_CONCEPT = 'thesaurus.candidate-accepted-as-concept';
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Provider/QueueWorkerServiceProvider.php b/lib/Alchemy/Phrasea/WorkerManager/Provider/QueueWorkerServiceProvider.php
index 7de8ef2604..85e141ee5a 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Provider/QueueWorkerServiceProvider.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Provider/QueueWorkerServiceProvider.php
@@ -23,6 +23,7 @@ use Alchemy\Phrasea\WorkerManager\Subscriber\AssetsIngestSubscriber;
 use Alchemy\Phrasea\WorkerManager\Subscriber\ExportSubscriber;
 use Alchemy\Phrasea\WorkerManager\Subscriber\RecordSubscriber;
 use Alchemy\Phrasea\WorkerManager\Subscriber\SearchengineSubscriber;
+use Alchemy\Phrasea\WorkerManager\Subscriber\SubtitlingSubscriber;
 use Alchemy\Phrasea\WorkerManager\Subscriber\WebhookSubscriber;
 use Silex\Application;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -68,6 +69,7 @@ class QueueWorkerServiceProvider implements PluginProviderInterface
                 $dispatcher->addSubscriber(new AssetsIngestSubscriber($app['alchemy_worker.message.publisher']));
                 $dispatcher->addSubscriber(new SearchengineSubscriber($app['alchemy_worker.message.publisher']));
                 $dispatcher->addSubscriber(new WebhookSubscriber($app['alchemy_worker.message.publisher']));
+                $dispatcher->addSubscriber(new SubtitlingSubscriber(new LazyLocator($app, 'phraseanet.appbox'), $app['monolog']));
 
                 return $dispatcher;
             })
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Subscriber/SubtitlingSubscriber.php b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/SubtitlingSubscriber.php
new file mode 100644
index 0000000000..ceefdbc02a
--- /dev/null
+++ b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/SubtitlingSubscriber.php
@@ -0,0 +1,168 @@
+<?php
+
+namespace Alchemy\Phrasea\WorkerManager\Subscriber;
+
+use Alchemy\Phrasea\Core\Event\Record\RecordAutoSubtitleEvent;
+use Alchemy\Phrasea\Core\PhraseaEvents;
+use GuzzleHttp\Client;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class SubtitlingSubscriber implements EventSubscriberInterface
+{
+    const GINGER_BASE_URL = "https://test.api.ginger.studio/recognition/speech";
+    const GINGER_TOKEN    = "39c6011d-3bbe-4f39-95d0-a327d320ded4";
+    const GINGER_TRANSCRIPT_FORMAT = "text/vtt";
+
+    /**
+     * @var callable
+     */
+    private $appboxLocator;
+
+    private $logger;
+
+    public function __construct(callable $appboxLocator, LoggerInterface $logger)
+    {
+        $this->appboxLocator    = $appboxLocator;
+        $this->logger           = $logger;
+    }
+
+    public function onRecordAutoSubtitle(RecordAutoSubtitleEvent $event)
+    {
+        $record = $this->getApplicationBox()->get_databox($event->getRecord()->getDataboxId())->get_record($event->getRecord()->getRecordId());
+
+        if ($record->has_preview() && ($previewLink = $record->get_preview()->get_permalink()) !== null && $event->getMetaStructId()) {
+            switch ($event->getLanguageSource()) {
+                case 'En':
+                    $language = 'en-GB';
+                    break;
+                case 'De':
+                    $language = 'de-DE';
+                    break;
+                case 'Fr':
+                default:
+                    $language = 'fr-FR';
+                    break;
+            }
+
+            $permalinkUrl = $previewLink->get_url()->__toString();
+
+            $gingerClient = new Client();
+
+            try {
+                $response = $gingerClient->post(self::GINGER_BASE_URL.'/media/', [
+                    'headers' => [
+                        'Authorization' => 'token '.self::GINGER_TOKEN
+                    ],
+                    'json' => [
+                        'url'       => $permalinkUrl,
+                        'language'  => $language
+                    ]
+                ]);
+            } catch(\Exception $e) {
+                $this->logger->error($e->getMessage());
+
+                return 0;
+            }
+
+            if ($response->getStatusCode() !== 201) {
+                $this->logger->error("response status : ". $response->getStatusCode());
+
+                return 0;
+            }
+
+            $responseMediaBody = $response->getBody()->getContents();
+            $responseMediaBody = json_decode($responseMediaBody,true);
+
+            $checkStatus = true;
+            do {
+                // first wait 5 second before check subtitling status
+                sleep(5);
+
+                try {
+                    $response = $gingerClient->get(self::GINGER_BASE_URL.'/task/'.$responseMediaBody['task_id'].'/', [
+                        'headers' => [
+                            'Authorization' => 'token '.self::GINGER_TOKEN
+                        ]
+                    ]);
+                } catch (\Exception $e) {
+                    $checkStatus = false;
+                }
+
+                if ($response->getStatusCode() !== 200) {
+                    $checkStatus = false;
+                    break;
+                }
+
+                $responseTaskBody = $response->getBody()->getContents();
+                $responseTaskBody = json_decode($responseTaskBody,true);
+
+            } while($responseTaskBody['status'] != 'SUCCESS');
+
+            if (!$checkStatus) {
+                $this->logger->error("can't check status");
+
+                return 0;
+            }
+
+            try {
+                $response = $gingerClient->get(self::GINGER_BASE_URL.'/media/'.$responseMediaBody['media']['uuid'].'/', [
+                    'headers' => [
+                        'Authorization' => 'token '.self::GINGER_TOKEN,
+                        'ACCEPT'        => self::GINGER_TRANSCRIPT_FORMAT
+                    ],
+                    'query' => [
+                        'language'  => $language
+                    ]
+                ]);
+            } catch (\Exception $e) {
+                $this->logger->error($e->getMessage());
+
+                return 0;
+            }
+
+            if ($response->getStatusCode() !== 201) {
+                $this->logger->error("response status : ". $response->getStatusCode());
+
+                return 0;
+            }
+
+            $transcriptContent = $response->getBody()->getContents();
+
+            $metadatas[0] = [
+                'meta_struct_id' => (int)$event->getMetaStructId(),
+                'meta_id'        => '',
+                'value'          => $transcriptContent
+            ];
+
+            try {
+                $record->set_metadatas($metadatas);
+            } catch (\Exception $e) {
+                $this->logger->error($e->getMessage());
+
+                return 0;
+            }
+
+            $this->logger->error("Auto subtitle SUCCESS");
+        }
+
+        return 0;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return [
+            PhraseaEvents::RECORD_AUTO_SUBTITLE  => 'onRecordAutoSubtitle',
+        ];
+    }
+
+    /**
+     * @return \appbox
+     */
+    private function getApplicationBox()
+    {
+        $callable = $this->appboxLocator;
+
+        return $callable();
+    }
+}