Merge pull request #115085 from Juliako/patch-31

Update faq.md

Author: ShannonLeavitt

articles/media-services/video-indexer/faq.md

@@ -9,7 +9,7 @@ manager: femila
 ms.service: media-services
 ms.subservice: video-indexer
 ms.topic: article
-ms.date: 04/20/2020
+ms.date: 05/12/2020
 ms.author: juliako
 ---
 
@@ -96,6 +96,10 @@ Yes. Press the **edit video** button from the library display or the **open in e
 
 If you want to get insights on your new video, index it with Video Indexer and it will appear in your library with its insights.
 
+### Can I index multiple audio streams or channels?
+
+If there are multiple audio streams, Video Indexer takes the first one it encounters and will process only this stream. In any audio stream Video Indexer processes, it takes the different channels (if present) and processes them together as mono. For streams/channels manipulation you can use ffmpeg commands on the file before indexing it.
+
 ### What is the SLA for Video Indexer?
 
 Azure Media Service’s SLA covers Video Indexer and can be found on the [SLA](https://azure.microsoft.com/support/legal/sla/media-services/v1_2/) page. The SLA only applies to Video Indexer paid accounts and does not apply to the free trial.