diff --git a/projects/common/components/media-elements/audio.component.ts b/projects/common/components/media-elements/audio.component.ts
index 0cfde342f6a672f12cc0e09e019ff450c3068231..f0d57cbf99862c532cf48f4b1fd0c5fbb60c4259 100644
--- a/projects/common/components/media-elements/audio.component.ts
+++ b/projects/common/components/media-elements/audio.component.ts
@@ -8,17 +8,17 @@ import { AudioElement } from 'common/models/elements/media-elements/audio';
     <div [style.width.%]="100"
          [style.height.%]="100">
       <aspect-media-player-control-bar [player]="player" *ngIf="elementModel.src"
-                          [project]="project"
-                          [id]="elementModel.id"
-                          [savedPlaybackTime]="savedPlaybackTime"
-                          [playerProperties]="elementModel.player"
-                          [active]="active"
-                          [dependencyDissolved]="dependencyDissolved"
-                          (onMediaValidStatusChanged)="onMediaValidStatusChanged.emit($event)"
-                          (elementValueChanged)="elementValueChanged.emit($event)">
+                                       [project]="project"
+                                       [id]="elementModel.id"
+                                       [savedPlaybackTime]="savedPlaybackTime"
+                                       [playerProperties]="elementModel.player"
+                                       [active]="active"
+                                       [dependencyDissolved]="dependencyDissolved"
+                                       (mediaValidStatusChanged)="mediaValidStatusChanged.emit($event)"
+                                       (elementValueChanged)="elementValueChanged.emit($event)">
         <audio #player
-               (playing)="onMediaPlayStatusChanged.emit(this.elementModel.id)"
-               (pause)="onMediaPlayStatusChanged.emit(null)"
+               (playing)="mediaPlayStatusChanged.emit(this.elementModel.id)"
+               (pause)="mediaPlayStatusChanged.emit(null)"
                [style.width.%]="100"
                [src]="elementModel.src | safeResourceUrl">
         </audio>
diff --git a/projects/common/components/media-elements/media-player-control-bar/media-player-control-bar.component.ts b/projects/common/components/media-elements/media-player-control-bar/media-player-control-bar.component.ts
index 3bd48a697bc7b69f72d0b175206977163c500ea7..c994ed52eea681a0ac1262dd087dd24cb6655ccb 100644
--- a/projects/common/components/media-elements/media-player-control-bar/media-player-control-bar.component.ts
+++ b/projects/common/components/media-elements/media-player-control-bar/media-player-control-bar.component.ts
@@ -18,7 +18,7 @@ export class MediaPlayerControlBarComponent implements OnInit, OnChanges, OnDest
   @Input() active!: boolean;
   @Input() dependencyDissolved!: boolean;
   @Output() elementValueChanged = new EventEmitter<ValueChangeElement>();
-  @Output() onMediaValidStatusChanged = new EventEmitter<string>();
+  @Output() mediaValidStatusChanged = new EventEmitter<string>();
 
   duration!: number;
   currentTime!: number;
@@ -110,7 +110,7 @@ export class MediaPlayerControlBarComponent implements OnInit, OnChanges, OnDest
   private checkValidState(runCounter: number): boolean {
     this.valid = this.playerProperties.minRuns === 0 ? true : runCounter >= this.playerProperties.minRuns;
     if (this.valid) {
-      this.onMediaValidStatusChanged.emit(this.id);
+      this.mediaValidStatusChanged.emit(this.id);
     }
     return this.valid;
   }
diff --git a/projects/common/components/media-elements/video.component.ts b/projects/common/components/media-elements/video.component.ts
index ccd27af4056f1644f6b58c49df001ef9560ed3ff..6f6dc3c7bab75b5e690bf805acffc1304b93d0e7 100644
--- a/projects/common/components/media-elements/video.component.ts
+++ b/projects/common/components/media-elements/video.component.ts
@@ -9,18 +9,18 @@ import { VideoElement } from 'common/models/elements/media-elements/video';
          [style.width.%]="100"
          [style.height.%]="100">
       <aspect-media-player-control-bar class="correct-position" *ngIf="elementModel.src"
-                          [player]="player"
-                          [project]="project"
-                          [active]="active"
-                          [id]="elementModel.id"
-                          [savedPlaybackTime]="savedPlaybackTime"
-                          [playerProperties]="elementModel.player"
-                          [dependencyDissolved]="dependencyDissolved"
-                          (onMediaValidStatusChanged)="onMediaValidStatusChanged.emit($event)"
-                          (elementValueChanged)="elementValueChanged.emit($event)">
+                                       [player]="player"
+                                       [project]="project"
+                                       [active]="active"
+                                       [id]="elementModel.id"
+                                       [savedPlaybackTime]="savedPlaybackTime"
+                                       [playerProperties]="elementModel.player"
+                                       [dependencyDissolved]="dependencyDissolved"
+                                       (mediaValidStatusChanged)="mediaValidStatusChanged.emit($event)"
+                                       (elementValueChanged)="elementValueChanged.emit($event)">
         <video #player
-               (playing)="onMediaPlayStatusChanged.emit(this.elementModel.id)"
-               (pause)="onMediaPlayStatusChanged.emit(null)"
+               (playing)="mediaPlayStatusChanged.emit(this.elementModel.id)"
+               (pause)="mediaPlayStatusChanged.emit(null)"
                [style.width.%]="100"
                [src]="elementModel.src | safeResourceUrl">
         </video>
diff --git a/projects/common/directives/media-player-element-component.directive.ts b/projects/common/directives/media-player-element-component.directive.ts
index 95dedcc13ef2a7a985ef2d07fa2f3ccbb060f4da..de525feb42cbab1cd0df6b466e762da5a3602e39 100644
--- a/projects/common/directives/media-player-element-component.directive.ts
+++ b/projects/common/directives/media-player-element-component.directive.ts
@@ -14,8 +14,8 @@ export abstract class MediaPlayerElementComponent extends ElementComponent imple
   @Input() actualPlayingId!: Subject<string | null>;
   @Input() mediaStatusChanged!: Subject<string>;
   @Output() elementValueChanged = new EventEmitter<ValueChangeElement>();
-  @Output() onMediaPlayStatusChanged = new EventEmitter<string | null>();
-  @Output() onMediaValidStatusChanged = new EventEmitter<string>();
+  @Output() mediaPlayStatusChanged = new EventEmitter<string | null>();
+  @Output() mediaValidStatusChanged = new EventEmitter<string>();
 
   abstract elementModel: AudioElement | VideoElement;
   active: boolean = true;
diff --git a/projects/player/src/app/components/elements/media-player-group-element/media-player-group-element.component.html b/projects/player/src/app/components/elements/media-player-group-element/media-player-group-element.component.html
index 8e389069ff2224fb2fe12c091510e56b302581b1..f0bed2d0cdee78b34942119411df60010356ec6b 100644
--- a/projects/player/src/app/components/elements/media-player-group-element/media-player-group-element.component.html
+++ b/projects/player/src/app/components/elements/media-player-group-element/media-player-group-element.component.html
@@ -5,8 +5,8 @@
     [savedPlaybackTime]="initialValue"
     [actualPlayingId]="mediaPlayerService.actualPlayingId"
     [mediaStatusChanged]="mediaPlayerService.mediaStatusChanged"
-    (onMediaValidStatusChanged)="mediaPlayerService.setValidStatusChanged($event)"
-    (onMediaPlayStatusChanged)="mediaPlayerService.setActualPlayingId($event)"
+    (mediaValidStatusChanged)="mediaPlayerService.setValidStatusChanged($event)"
+    (mediaPlayStatusChanged)="mediaPlayerService.setActualPlayingId($event)"
     (elementValueChanged)="unitStateService.changeElementCodeValue($event)">
 </aspect-audio>
 
@@ -17,7 +17,7 @@
     [actualPlayingId]="mediaPlayerService.actualPlayingId"
     [mediaStatusChanged]="mediaPlayerService.mediaStatusChanged"
     [savedPlaybackTime]="initialValue"
-    (onMediaValidStatusChanged)="mediaPlayerService.setValidStatusChanged($event)"
-    (onMediaPlayStatusChanged)="mediaPlayerService.setActualPlayingId($event)"
+    (mediaValidStatusChanged)="mediaPlayerService.setValidStatusChanged($event)"
+    (mediaPlayStatusChanged)="mediaPlayerService.setActualPlayingId($event)"
     (elementValueChanged)="unitStateService.changeElementCodeValue($event)">
 </aspect-video>