ADN System Instruction Manual

Table Of Contents
Running a conference
122 | ADN Digital Conference System
Recording a conference
The ADN CU1 central unit allows you to record the floor channel and the channels
of all active conference units as audio files on a USB mass storage device.
Recording possibilities and requirements
Recorded files The audio files are recorded in WAVE PCM sound file format (mono, 32 kHz/16 bit).
The floor chan
nel is recorded throughout the entire conference so that the course
of the conference can be retraced. In addition to the floor channel, the channels of
all active conference units are recorded as individual audio files. The audio data is
not encrypted.
For recording 1 hour of conferencing, you require approx. 230 MB of memory space
per channel. If all channels of the conference system are being used (floor channel
and 10 conference unit channels), you require approx. 2.5 GB of memory space.
The USB mass storage device must meet the following requirements:
Storage location The audio recordings are
filed in the “ADN” folder on the USB mass storage device.
For each recording of a conference, a new folder is created whose name consists of
the name of the conference and the starting time (date and time). The name of the
conference can be set via the “Conference Manager” software by saving the con-
ference under an unambiguous name (see page 157).
Example: ADN/CEO-Meeting_2011-05-02_160923
Fi
le names The
file names of the audio recordings consist of the following:
Floor channel:
“FloorChannel” and starting time (date and time)
Example: .../FloorChannel_2011-05-02_160923.wav
Conference unit channel:
Type of conference unit, serial number of the conference unit, starting time of
the contribution (date and time)
Example: .../D1_SN104264_2011-05-02_162543.wav
If a file name is already in use, the existing
fi
le will not be overwritten. The new file
is automatically given a consecutively numbered suffix (“_01”, “_02”, etc.).
USB mass storage device Requirements
Recommended memory size > 500 GB
File system
*
* When the maximum file size is reached (FAT32 = 4 GB), the recording is automatically
split in several files. With NTFS files, the file size is limited by the memory size of the data
storage device and the recordings don’t have to be spit in several files.
NTFS
FAT32
Partition 1
Connection USB type A plug
Interface USB 2.0
Power supply via USB socket (approx. 500 mA) or separate
mains unit
In order to get comprehensible and time-wise correct file names, the date
and time of the ADN CU1 central unit have to be set correctly (see
page 152).