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For usage details plus relationships and dependencies with other policy settings, see Audio policy settings and Bandwidth policy settings and Multi-stream connections policy settings.

Therefore, sometimes it might be preferable to use TCP transport.

TCP supports end-to-end TLS encryption from the Virtual Delivery Agent (VDA) to Citrix Workspace app.

Sound compression allows you to balance sound quality against overall session performance; use Citrix policy settings to configure the compression levels to apply to sound files.

The policy is set to Medium - optimized-for-speech when UDP transport (recommended) is used.

The High Definition audio setting provides high fidelity stereo audio, but consumes more bandwidth than other quality settings.

Do not use this audio quality for non-optimized voice chat or video chat applications (such as softphones).

The reason being that it might introduce latency into the audio path that is not suitable for real-time communications.

We recommend the optimized for speech policy setting for real-time audio, regardless of the selected transport protocol.

In this situation, create separate policies for users on low-bandwidth connections so that users on high-bandwidth connections are not adversely impacted.

However, prohibiting client audio redirection disables all HDX audio functionality.

Remember to enable client audio settings on the user device.

The devices are recognized even if they are not plugged in until after the user session has started.

It opens up a UDP port on the server for connections that use Audio over UDP Real-time Transport.

If there is network congestion or packet loss, we recommend configuring UDPRTP for audio to ensure the best possible user experience.

For any real time audio such as softphone applications, UDP audio is preferred to EDT.

UDP allows for packet loss without retransmission, ensuring that no latency is added on connections with high packet loss.

If Citrix Gateway is configured to access Citrix Virtual Apps and Desktops resources, then audio traffic between the endpoint device and Citrix Gateway is secured using DTLS protocol.

For details about Audio UDP port range, see Multi-stream connections policy settings.

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