Update overview.md

Author: laujan

articles/ai-services/content-understanding/audio/overview.md

@@ -27,7 +27,7 @@ Here are common scenarios for conversational audio data processing:
 
 ## Audio analyzer capabilities
 
-:::image type="content" source="../media/audio/overview/workflow-diagram.png" lightbox="../media/audio/overview/workflow-diagram.png" alt-text="Illustration of Content Understanding audio capabilities.":::
+:::image type="content" source="../media/audio/overview/workflow-diagram-preview.png" lightbox="../media/audio/overview/workflow-diagram-preview.png" alt-text="Illustration of Content Understanding audio capabilities.":::
 
 Content Understanding serves as a cornerstone for Speech Analytics solutions, enabling the following capabilities for audio files:
 
@@ -299,4 +299,4 @@ Developers using this service should review Microsoft's policies on customer dat
 * Learn how to analyze audio content with [**analyzer templates**](../quickstart/use-ai-foundry.md).
 * Review code samples: 
   * [**audio content extraction**](https://github.com/Azure-Samples/azure-ai-content-understanding-python/blob/main/notebooks/content_extraction.ipynb).
-  * [**analyzer templates**](https://github.com/Azure-Samples/azure-ai-content-understanding-python/tree/main/analyzer_templates).
+  * [**analyzer templates**](https://github.com/Azure-Samples/azure-ai-content-understanding-python/tree/main/analyzer_templates).