Update speech-studio-vnet.md for CNV and ACC

Author: ms-feizhao

articles/ai-services/speech-service/includes/speech-studio-vnet.md

@@ -26,9 +26,9 @@ This section describes working with the different kind of Speech Studio projects
 1. In the **Resource Management** group in the left pane, select **Networking** > **Firewalls and virtual networks**. 
 1. Select one option from **All networks**, **Selected Networks and Private Endpoints**, or **Disabled**. 
 
-#### Custom speech
+#### Custom speech, Custom voice and Audio Content Creation
 
-The following table describes custom speech project accessibility per Speech resource **Networking** > **Firewalls and virtual networks** security setting.
+The following table describes custom speech/custom voice/audio content creation project accessibility per Speech resource **Networking** > **Firewalls and virtual networks** security setting.
 
 > [!NOTE]
 > If you allow only private endpoints via the **Networking** > **Private endpoint connections** tab, then you can't use Speech Studio with the Speech resource. You can still use the Speech resource outside of Speech Studio.  
@@ -47,6 +47,4 @@ To use custom speech without relaxing network access restrictions on your produc
 * Create another Speech resource for development that can be used on a public network. Prepare your custom model in Speech Studio on the development resource, and then copy the model to your production resource. See the [Models_CopyTo](/rest/api/speechtotext/models/copy-to) REST request with [Speech to text REST API](../rest-speech-to-text.md).
 * You have the option to not use Speech Studio for custom speech. Use the [Speech to text REST API](../rest-speech-to-text.md) for all custom speech operations. 
 
-#### Custom voice and Audio Content Creation
-
-You can use custom voice and Audio Content Creation Speech Studio projects only when the Speech resource network security setting is **All networks**.
+To use custom voice without relaxing network access restrictions on your production Speech resource, consider Use the [Custom voice REST API](/rest/api/speechapi/operation-groups?&preserve-view=true=rest-speechapi-2023-12-01-preview) for all custom voice operations.