Merge pull request #507 from sally-baolian/patch-19

Real-time avatar connection

Author: prmerger-automator[bot]

articles/ai-services/speech-service/speech-services-quotas-and-limits.md

@@ -136,6 +136,10 @@ The limits in this table apply per Speech resource when you create a personal vo
 | Quota | Free (F0)| Standard (S0) |
 |-----|-----|-----|
 | New connections per minute | Not available for F0 | 2 new connections per minute |
+| Max connection duration with speaking | Not available for F0 | 10 minutes<sup>1</sup> |
+| Max connection duration with idle state | Not available for F0 | 5 minutes |
+
+<sup>1</sup> To ensure continuous operation of the real-time avatar for more than 10 minutes, you can enable auto-reconnect. For information about how to set up auto-reconnect, refer to this [sample code](https://github.com/Azure-Samples/cognitive-services-speech-sdk/blob/master/samples/js/browser/avatar/README.md) (search "auto reconnect").
 
 #### Audio Content Creation tool
 

articles/ai-services/speech-service/text-to-speech-avatar/real-time-synthesis-avatar.md

@@ -180,6 +180,20 @@ avatarSynthesizer.speakTextAsync(spokenText).then(
 
 You can find end-to-end working samples on [GitHub](https://github.com/Azure-Samples/cognitive-services-speech-sdk/tree/master/samples/js/browser/avatar).
 
+## Close the real-time avatar connection
+
+To avoid unnecessary costs after you finish using the real-time avatar, it’s important to close the connection. There are several ways to do this:
+
+- When the browser web page is closed, the WebRTC client side peer connection object will be released, and the avatar connection will be automatically closed after a few seconds.
+- If the avatar remains idle for 5 minutes, the connection will be automatically closed by the avatar service.
+- You can proactively close the avatar connection by running the following code:
+  
+   ```javascript
+   avatarSynthesizer.close()
+   ``` 
+
+  You can find end-to-end working samples on [GitHub](https://github.com/Azure-Samples/cognitive-services-speech-sdk/tree/master/samples/js/browser/avatar).
+
 ## Edit background
 
 The avatar real-time synthesis API currently doesn't support setting a background image/video and only supports setting a solid-color background, without transparent background support. However, there's an alternative way to implement background customization on the client side, following these guidelines: