Citrix Virtual Delivery Agent for macOS

Audio Quality Enhancer (AQE)

December 22, 2025

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Audio Quality Enhancer to improve audio performance

Starting with the 2507 version, audio quality enhancer is enabled by default for adaptive audio over EDT loss tolerant mode for audio.

Audio quality enhancer maintains clear audio during brief network disruptions. This feature adapts to the network conditions to ensure consistent audio performance during playback and recording.

Note:

Both adaptive audio must be enabled for this feature to work.

Audio Quality Enhancer for reliable transport (preview)

Starting with 2507 in Tech Preview, audio quality enhancer is also available for connections over reliable transport (i.e. TCP and EDT-Reliable). Under poor network conditions, both audio playback and recording will have a smoother experience with reduced latency.

To enable the feature, complete the following steps

Enable the feature on the Mac VDA.

Run the following command in the terminal:

sudo /opt/Citrix/VDA/bin/ctxreg create -k "HKLM\System\CurrentControlSet\Control\Citrix\VirtualChannels\Audio" -v "fAlwaysUseSpeexJitterBuffer" -t REG_DWORD -d 0 –force
Enable the feature on Citrix Workspace app for Mac.

Run the following command in the terminal:

defaults write com.citrix.receiver.nomas AlwaysUseSpeexJitterBuffer -bool NO

To disable the feature, complete the following steps

Disable the feature on the Mac VDA.
```
Run the following command in the terminal:
```
sudo /opt/Citrix/VDA/bin/ctxreg update -k "HKLM\System\CurrentControlSet\Control\Citrix\VirtualChannels\Audio" -v "fAlwaysUseSpeexJitterBuffer" -t REG_DWORD -d 1
Disable the feature on Citrix Workspace app for Mac.

Run the following command in the terminal:

defaults write com.citrix.receiver.nomas AlwaysUseSpeexJitterBuffer -bool YES

Note:

Adaptive audio must be enabled for this feature to work.

This feature is disabled by default in Tech Preview (over reliable transport).

This feature must be enabled on both VDA and CWA.

This feature is supported with Citrix Workspace app for Mac version 2508 and later.

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Audio Quality Enhancer (AQE)

December 22, 2025

Contributed by:

December 22, 2025

Contributed by:

Audio Quality Enhancer (AQE)

Audio Quality Enhancer to improve audio performance

Audio Quality Enhancer for reliable transport (preview)

To enable the feature, complete the following steps

To disable the feature, complete the following steps

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