Playback of ADPCM audio files issues with Flash

According to this page,  http://helpx.adobe.com/flash/kb/supported-codecs-flash-player.html Flash players starting from version 6 are capable of playing ADPCM files, however I have tested severa different versions of flash players and not even one of them could play a file using eithr G.711 or G.721 or G.726.
Could someone confrim the status of ADPCM playback in Flash
TIA

I'm not sure off the top of my head, but if you create a bug report with some sample media along with your actionscript code / swf I can have the team take a look.
http://bugbase.adobe.com
Once added, please let me know the bug number.
Thanks,
Chris

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