Merge pull request #174962 from RinaRish/patch-41

Update call-recording.md

Author: PRMerger18

articles/communication-services/concepts/voice-video-calling/call-recording.md

@@ -25,11 +25,12 @@ Call Recording provides a set of APIs to start, stop, pause and resume recording
 ![Call recording concept diagram](../media/call-recording-concept.png)
 
 ## Media output types
-Call recording currently supports mixed audio+video MP4 output format. The output media matches meeting recordings produced via Microsoft Teams recording.
+Call recording currently supports mixed audio+video MP4 and mixed audio-only MP3/WAV output formats. The mixed audio+video output media matches meeting recordings produced via Microsoft Teams recording.
 
 | Channel Type | Content Format | Video | Audio |
 | :----------- | :------------- | :---- | :--------------------------- |
 | audioVideo | mp4 | 1920x1080 8 FPS video of all participants in default tile arrangement | 16kHz mp4a mixed audio of all participants |
+| audioOnly| mp3/wav | N/A | 16kHz mp3/wav mixed audio of all participants |
 
 
 ## Run-time Control APIs