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Citrix Virtual App server
Citrix Virtual Apps 2311 or higher
Citrix Virtual Apps 1912 LTSR or higher
One of the following speech recognition apps:
Dragon Medical One Desktop Application
Dragon Medical Direct
Dragon Case and Care
Apps based on Dragon Medical SpeechKit (.NET and COM editions)
Apps based on SpeechMagic SDK
Virtual desktop
One of the following desktop virtualization systems:
Citrix Virtual Apps and Desktops 2311 or higher
Citrix Virtual Apps and Desktops 1912 LTSR or higher
VMware Horizon View Agent 7.13 or higher
Omnissa Horizon Agent 2412 or higher
VMware Horizon View Client 5.5 or higher
Omnissa Horizon Client 2412 or higher
One of the following guest operating systems:
Microsoft Windows 11
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2025
Windows Current Release: Workspace app version supported by Citrix for Windows Current Release
Windows Long Term Service Release: Workspace app version supported by Citrix for Windows Long Term Service Release
Dragon Citrix Client Audio Extension
For Nuance PowerMic: Dragon PowerMic Citrix Client Extension
Client device
USB microphone. Depending on your system, USB 3.0 ports might not be supported.
For more information on the USB redirection requirements for specific virtualization platforms, see the documentation delivered with your product.
Network requirements
First hop: Client end point to Citrix Virtual Desktop
Minimum bandwidth for Citrix USB redirection: 400 - 500 kbps
Minimum bandwidth for HDX Audio and device splitting: 150 - 200 kbps
First hop: Client end point to VMware/Omnissa virtual desktop
Minimum bandwidth for VMware/Omnissa USB redirection: 1.2 MBbps
Minimum bandwidth for RTAV Audio and device splitting: 200 kbps or higher
Second hop: Citrix or VMware/Omnissa virtual desktop to Citrix Virtual App server (Dragon Citrix Client Audio Extension)
Minimum bandwidth: Approximately 30 kbps
CELP: 19.2 kbps
Speex: 28 kbps
PCM 8 kHz: 128 kbps
PCM 16 kHz: 256 kbps
Network latency must not exceed 50 ms.