This product configures audio redirection on a Linux thin client in a Citrix environment, to provide optimal support for speech recognition.
Please report your feedback to support.speechmagic@nuance.com.
Installing on a Futro thin client
Installing on an IGEL thin client (firmware version 5.08.100 or higher)
Installing on an IGEL thin client (firmware versions lower than 5.08.100)
Upgrading IGEL firmware from version 5.07.100 or lower to 5.08.100 or higher
The following thin clients are supported:
IGEL
For information on the IGEL thin clients supported, search for Nuance compatibility in the IGEL Knowledge Base.
Fujitsu Futro
With operating system eLux RP 5.6 or higher (Philips SpeechMike button controls have not been tested; if you have issues, please contact the vendor).
Important: Due to changes in the firmware versions by the manufacturer we do not guarantee that our drivers will work with other firmware versions than the ones tested by us.
Device | Sound card ID | Sound card name | Comments |
---|---|---|---|
Philips SpeechMike III | III | SpeechMike III | 64-bit and 32-bit clients |
Philips SpeechMike Premium | III | SpeechMike III | 64-bit and 32-bit clients |
Grundig Digta SonicMic II | II | Digta Sonic Mic II | 32-bit clients |
Grundig Digta SonicMic II (US edition) | US | Digta SonicMic II US | 32-bit clients |
Grundig Digta SonicMic 3 | D3 | Digta SonicMic 3 |
32-bit clients Button controls are not supported with the firmware available at the release of Capture Services (Desktop) 5.0 |
For the selection of audio devices, the following priority conditions apply:
The following audio formats are supported:
Update the client firmware with the Nuance Citrix Client Audio Extension for Linux package in the Audio redirection\Citrix\Client\Client Linux folder of the Nuance virtual extensions package.
Proceed as follows:
In version 5.08.100 and higher, the Nuance Citrix Client Audio Extension is delivered with the IGEL firmware. To activate the extension, do the following:
In the Sessions tab, browse for:
Citrix XenDesktop / XenApp, HDX / ICA Global, Mapping, Device Support
To create a custom partition on the IGEL thin client, do the following:
Open the Application Launcher and browse for:
System, Firmware Customization, Custom Partition, Partition
10M
for the size of the partition./custom_nuance
for the mount point. If this folder does not exist, it will be created.To set up the Nuance IGEL package on the custom partition, do the following:
On the IGEL thin client, open the Application Launcher and browse for:
System, Firmware Customization, Custom Partition, Download
In the URL field, enter the network location of Nuance_CEL_Igel.inf. For example:
http://Your.Server:portnumber/dir1/Nuance_CEL_Igel.inf
or
file:///mnt/MOUNTDIR/dir1/Nuance_CEL_Igel.inf
In version 5.08.100 and higher, the Nuance Citrix Client Audio Extension is delivered with the IGEL firmware. If you have already installed the extension via a custom partition, disable the partition before you upgrade the firmware to 5.08.100 or higher. To disable the custom partition, do the following:
Open the Application Launcher and browse for:
System, Firmware Customization, Custom Partition, Partition
To enable logging, do the following:
Make sure that log4crc is available in the $HOME directory of the user who starts the client and rename it to .log4crc. For example:
IGEL: cp/usr/lib/ICAClient/log4crc/userhome/.log4crc
Futro: cp/usr/lib/ICAClient/log4crc/home/elux/.log4crc
Open .log4crc; if the file is read-only change it to read/write (you must have rights to change the file).
If the file has an attribute which prevents you from changing the file, remove it. You can check this with lsattr -a "dir path"
to see all file attributes. If the file has the a
or i
attribute you can remove it with chattr -a "file name"
or chattr -i "file name"
.
Set the priority
to "trace"
(for detailed logging) or "error"
(for error logging only) and change the line which begins with category name =
to:
Audio extension: nuance.smac.citrix.sbext
Mixer: nuance.smac.citrix.mixer
Note: If you do not want logging, comment out these lines or remove the .log4crc file completely.
logdir="/tmp/"
The log file prefix is the first part of the file name. The default settings are:
Audio extension: prefix="nca_ica_log"
Mixer: prefix="nca_ica_mixer_log"
Audio extension names are nca_ica_log.n and mixer nca_ica_mixer_log.n (where n is a consecutive number).
Every log file has a number appended to its prefix name. Numbers begin at 0 and existing log files are renamed to next consecutive number; the newest log file always has the number 0.
maxnum
sets the maximum number of log files created. To have 5 log files, set the maxnum as follows: maxnum="5"
Older files are deleted when there are more than 5 files.
maxsize
sets the maximum size of a log file in bytes. If the maximum size is reached, the log file will be renamed to next number following the policy from maxnum
and a new log file is created with the number 0. The default settings are:
Audio extension: maxsize="20000000"
Mixer: maxsize="5000000"
For Philips SpeechMike and Foot Control devices contact Philips Speech Processing Solutions. The Nuance Citrix Audio Extension does not provide support for SpeechMike button redirection.
To use the Philips SpeechMike if it is not the default audio device, set the environment variable NUANCE_USED_SOUNDCARDNUMBER to the sound card number of the SpeechMike. If the environment variable does not exist or is invalid, the default sound card will be used.
Recording with the internal sound card is not supported.
Using the internal sound card in parallel with a USB audio device is currently not possible because it is not possible to set the internal sound card as the default sound card when a USB default audio device is plugged in (except the Futro S400 where it is set as the default).
Use of this software is subject to the terms and conditions of the License Agreement.
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