Registry settings

The registry settings described below assist in configuring and troubleshooting the product.

HKLM\Software\FabulaTech\Sound for Remote Desktop (Server)
Value name Type Range Default If none [*] Description
RenderCompression [GPO] REG_DWORD 0−1 1 1 Audio playback codec Opus(1), PCM(0)
RenderPreloadMs [GPO] REG_DWORD 0−FFFFFFFF 30 30 Audio playback cache size (ms)
RenderAutoPrecache [GPO] REG_DWORD 0−1 1 1 Audio playback precache(1), without precache(0)
RenderApp [GPO] REG_DWORD 0−2 1 1 Audio playback optimization for Voice(0), Music(1), LowLatency(2)
RenderBitrateAuto [GPO] REG_DWORD 0−1 1 1 Audio playback bitrate autosetting
RenderBitrate [GPO] REG_DWORD 0−FFFFFFFF 40000 40000 Audio playback bitrate (bit/s)
RenderFrameLenMs [GPO] REG_DWORD 0−FFFFFFFF 0a 0a Audio playback FrameLengh(ms)
CaptureCompression [GPO] REG_DWORD 0−1 1 1 Audio capture codec Opus(1), PCM(0)
CapturePreloadMs [GPO] REG_DWORD 0−FFFFFFFF 30 30 Audio capture cache size (ms)
CaptureAutoPrecache [GPO] REG_DWORD 0−1 1 1 Audio capture precache(1), without precache(0)
CaptureApp [GPO] REG_DWORD 0−2 1 1 Audio capture optimization for Voice(0), Music(1), LowLatency(2)
CaptureBitrateAuto [GPO] REG_DWORD 0−1 1 1 Audio capture bitrate autosetting
CaptureBitrate [GPO] REG_DWORD 0−FFFFFFFF 40000 40000 Audio capture bitrate (bit/s)
CaptureFrameLenMs [GPO] REG_DWORD 0−FFFFFFFF 0a 0a Audio capture FrameLengh(ms)
UseGlobalSettings [GPO] REG_DWORD 0−1 1 1 GPO policy preferred(1), GUI settings preferred(0)
RestrictEditSettings [GPO] REG_DWORD 0−1 0 0 Restricts settings changing by GUI (1)
HKLM\Software\FabulaTech\Sound for Remote Desktop (Server)
Value name Type Range Default If none [*] Description
LogLevel REG_DWORD 0−3 0 0 Sound for Remote Desktop (Server) logging level:
0 - Error
1 - Warning
2 - Info
3 - Debug.
Should be set both:
HKLM\Software\FabulaTech\Netlink 3
HKLM\Software\Wow6432Node\FabulaTech\Netlink 3
Value name Type Range Default If none [*] Description
LogLevel REG_DWORD 0−3 1 1 NetLink logging level:
0 - Error.
1 - Warning.
2 - Info.
3 – Debug.
HKLM\SOFTWARE\FabulaTech\FtSoundIsolation
Value name Type Range Default If none [*] Description
IsolationMode REG_DWORD 0−2 0 0 Audio device isolation mode:
0 - Strict
1 - Session-isolated (compatible)
2 - No isolation.
Important: Changes to this setting apply only to new user sessions. Users must sign out and sign in again for the new setting to take effect.

Advanced registry settings

These settings are intended for some specific hardware or use cases and should not be changed unless necessary.

HKCU\Software\Fabulatech\Sound for Remote Desktop (Server)
Value name Type Range Default If none [*] Description
DisableAutoDefault REG_DWORD 0,1 Not exists 0 Default audio device selection mode
Controls which audio device can be selected as the default audio device.
0 - FabulaTech audio device only. This is the default behavior. When a user connects to a session, the default audio device is automatically set to the FabulaTech virtual audio device. The user cannot change the default audio device to any other device.
1 - Any audio device. Any available audio device can be set as the default audio device.
Important: Any audio device mode applies only when Play on remote computer is selected in the remote desktop client and only with the following audio isolation modes: Session-isolated (compatible) and No isolation.

Notes:

[*] - If the value does not exist, the program defaults to this value.

[GPO] - This value should be configured through Group Policy. If set directly in the Windows Registry, it may be overwritten the next time Group Policy is updated. A detailed description is available on the GPO Templates page.