Liberty Courtroom Setup for the Remote Agent



The Liberty Remote Agent facility is an optional component of the Liberty Court Recorder. To use the Remote Agent facility, the Court must purchase this component from their authorized Liberty Recording supplier and the Recorder application must then be licensed to utilize the Remote Agent facility.

Anyone assigned by a licensed Court may download, install and use the Liberty Remote Agent software, at no cost.

Reference this page for download and install information on the Remote Agent software.

Courtroom Setup

Providing the Recorder application is licensed, then the Court may allow connections from the Internet, from users who have downloaded and installed the Remote Agent software. The Court should take the following steps to configure the courtroom, prior to allowing users to connect.

The diagram below provides a high-level overview of the required setup. The Remote Agent software would be installed on a PC at a remote location. This remote location would connect to the courtroom over the Internet. The courtroom would have an appropriate mixer and speakers, to allow the remote user to be heard in the courtroom. Other facilities, such as cameras and video support, may optionally be installed and used.

General setup of Remote Agent facility.

Suitable Mixers

Use of the Remote Agent facility requires a mixer with at least one available audio output, that may be used by the Liberty Recorder.
Mixers such as the Presonus 1818VSL and the Motu 8Pre have audio outputs that can be used by the Liberty Recorder.

Presonus 1818VSL

In the case of the Presonus 1818VSL, the mixer must be configured for each user who will use the Remote Agent facility.
The 1818VSL settings are saved into two xml files that must be stored into the following folder setups:

The "Scene" xml must be saved into: C:\Users\\ Documents\Presonus\AudioBoxVSL\Library\AB1818\Scene\LCR1818VSLSetup.xml and into
The "Roaming" xml must be saved into: C:\Users\\ AppData\Roaming\Presonus\AudioBox VSL\AB 1818.xml

If this is a new recording PC and the users have not previously logged into the PC to establish their local "Windows Desktop Settings", then the administrator can save both of the configuration files into the system Default user account folders, as below:

  • Extract the "Scene" xml file into: C:\Users\Default\Documents\
  • Extract the "Roaming" xml file into : C:\Users\Default\AppData\Roaming\

If this PC has been used previously, and users have previously establish their local "Windows Desktop Settings", then the administrator must save both of the configuration files into the individual users user account folders, as below:

  • Extract the "Scene" xml file into: C:\Users\\Documents\
  • Extract the "Roaming" xml file into : C:\Users\\AppData\Roaming\

In either instance, you may download the required xml files from the links below:

Download the required "Scene" xml configuration file to for the Presonus mixer.

Download the required "Roaming" xml configuration file to for the Presonus mixer.

Courtroom Speakers

The biggest challenge when introducing Remote Agent sessions into the courtroom, is to minimize the effects of echo. Echo occurs when the words spoken by the remote user are sent to the courtroom speaker(s) and subseqently captured by the courtroom microphones. Once captured by the courtroom microphones, this audio is then heard by the remote user. It can be disconcerting to the remote user to hear their own voice, with a one-second delay. It can cause significant problems for the remote user to the extent that they cannot focus on what they are saying, or what is being said by others in the courtroom.

To minimize the echo effect, the audio from the remote user must be kept as low as is reasonable in the courtroom. Additionally, instead of one or two speakers that provide audio over the entire courtroom, we suggest the idea of 2 sets of speakers, that localize the audio to specific points in the courtroom. Two sets of speakers would involve four speakers in total. One speaker can be used at the witness box. One speaker can be used at the Justice. And the last two speakers can be used by the opposing lawyers. Be sure to point the speakers and the microphones in the same direction, as shown below.

Speaker and Microphone setup of Remote Agent facility.

Your Liberty dealer can provide various speaker arrangements allowing for the localization of the audio in various parts of the courtroom. Regardless of the exact number and location of the speakers, the court must always:

  • Keep the volume of the remote user as low as is reasonable.
  • Do not point the speakers directly at the microphones.
  • Try and keep the speakers as far away from the microphones as possible.

Courtroom IP Address

The remote user must be provided with an IP address to allow them to connect to the courtroom recording PC. Most often, this would be facilitated by using "Port Forwarding" implemented on the firewall protecting the courthouse network. Port Forwarding allows the firewall to restrict the remote user and limit their access to the Remote Agent port on the courtroom recording PC. The IT staff responsible for the courthouse network must implement Port Forwarding and confirm its operation, prior to having remote users connect to the courtroom recording PC.

The default Port used by the Liberty Remote Agent application is 2469. This default may be altered in the Recorder program configuration settings, but if the Port is changed, then you must notify any remote users that they must also specify the altered Port number.

Recorder Application Configuration

The Remote Agent options tab in the Recorder Application options must be completed. The Court must decide and must specify:

  • The connection Port number, defined by the Network staff. By default, the port number is 2469.
  • Whether the Remote Agent should receive video from the courtroom.
  • The playback output on the mixer device.

The configuration settings should always specify Windows AEC for Echo Cancellation, unless specified otherwise by your Liberty representative.

See the screen capture below for details.

Remote Agent facility Configuration Options in the Recorder Program.

Optional Video Equipment

The Remote Agent facility allows for the sending of video between the courtroom and the Remote Agent. If video is required, then cameras and video display monitors must be provided. The Recording PC must also include support for dual monitors in Windows. One of the monitors can be a TV style monitor that may be watched by those attending the court.

If you implement video, then you must download and install the XVID Codec for Windows from this link. The XVID Codec is used with your camera to send video to the Remote Agent.

Courts should be aware, video can be presented between the courtroom and the remote user, but the court can decide if this video is captured into the recording file, or if this video should be discarded and not captured into the recording file. A checkbox option in the Recorder configuration determines if the video data should be saved.

Your Libery representative can guide you to the available options for video cameras, including webcams, analog cameras and IP cameras.


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