Merge pull request #4096 from ArcherAZ/patch-16

Update fast-transcription-create.md

Author: prmerger-automator[bot]

articles/ai-services/speech-service/batch-transcription-audio-data.md

@@ -39,7 +39,6 @@ The batch transcription API (and [fast transcription API](./fast-transcription-c
 - MULAW in WAV container
 - AMR
 - WebM
-- M4A
 - SPEEX
 
 

articles/ai-services/speech-service/fast-transcription-create.md

@@ -24,7 +24,7 @@ Unlike the batch transcription API, fast transcription API only produces transcr
 
 - An Azure AI Speech resource in one of the regions where the fast transcription API is available. The supported regions are: **Australia East**, **Brazil South**, **Central India**, **East US**, **East US 2**, **French Central**, **Japan East**, **North Central US**, **North Europe**, **South Central US**, **Southeast Asia**, **Sweden Central**, **UK South**, **West Europe**, **West US**, **West US 2**, **West US 3**. For more information about regions supported for other Speech service features, see [Speech service regions](./regions.md).
 
-- An audio file (less than 2 hours long and less than 200 MB in size) in one of the formats and codecs supported by the batch transcription API: WAV, MP3, OPUS/OGG, FLAC, WMA, AAC, ALAW in WAV container, MULAW in WAV container, AMR, WebM, M4A, and SPEEX. For more information about supported audio formats, see [supported audio formats](./batch-transcription-audio-data.md#supported-audio-formats-and-codecs).
+- An audio file (less than 2 hours long and less than 200 MB in size) in one of the formats and codecs supported by the batch transcription API: WAV, MP3, OPUS/OGG, FLAC, WMA, AAC, ALAW in WAV container, MULAW in WAV container, AMR, WebM, and SPEEX. For more information about supported audio formats, see [supported audio formats](./batch-transcription-audio-data.md#supported-audio-formats-and-codecs).
 
 ## Use the fast transcription API