Vox" Device; Audio Signal Recording/Playback; Creating The Sounds; Audio Signal Recording - Mackie RCF RX 3000 Instructions D'emploi

"VOX" DEVICE

The VOX device (VOX detector) is located on the OB 3230 AUDIO OUTPUT boards. The function of the device is as follows: when the audio
signal (VOX signal) that drives a certain input of the IB 3210 / IB 3280 AUDIO INPUT boards, called INPUT VOX, exceeds a certain threshold,
which can be adjusted by means of a special trimmer on the OB 3230, the VOX device can control one of the following operations:
a) Connect the INPUT VOX input with certain outputs of the OB 3230 AUDIO OUTPUT boards (VOX outputs), which can be defined using
the OUTPUT PROCESSORS menu.
b) Carry out the operation described in point (a), and at the same time switch a certain relay of the IO 3250 digital INPUT/OUTPUT boards,
called RELAY VOX.
In the system configuration with sixteen OB 3230 AUDIO OUTPUT boards installed, it is possible to configure 16 VOX devices. The operating
procedure of the VOX device is as follows.
a) When the VOX device of an OB 3230 AUDIO OUTPUT board detects that the respective VOX signal has exceeded the threshold set, it
sends a "vox active" notification to the CP 3100 control unit when:
a1) the VOX function has been activated on at least one output of the same AUDIO OUTPUT board (by means of the audio outputs con-
figuration menu).
a2) the outputs used by the VOX device are not engaged; i.e. they are not connected with an audio input, with the exception of the BGM
inputs (inputs for background music).
a3) the VOX signal is actually "heard".
b) If the "vox active" notification is generated, the OB 3230 AUDIO OUTPUT board autonomously connects the INPUT VOX inputs with the
respective outputs having VOX function activated, keeping them connected for at least 10 seconds.
c) The CP 3100 control unit, as soon as it receives the "vox active" notification, switches the RELAY VOX relays.
d) The connection between INPUT VOX input and the respective outputs remains as long as:
d1) no event with absolute priority requests use of the audio zones engaged by the VOX function.
d2) the VOX signal continues to drive the INPUT VOX input, exceeding the threshold set.
e) When the VOX signal diminishes, and its level remains below the established threshold for approximately 10 seconds, the OB 3230 AU-
DIO OUTPUT board restores any previously interrupted connections between the audio inputs defined BGM and the outputs used by the
VOX function, and sends the "end of vox activity" notification to the CP 3100 control unit.
f) As soon as the CP 3100 control unit receives the "end of vox activity" notification, the RELAY VOX relay switches back to the normal position.
The following operations are necessary for using the VOX function.
a) The VOX configuration menu (see the related section) must be used to define the INPUT VOX input to be used for a certain OB 3230 AU-
DIO OUTPUT board. With this definition, when the VOX signal exceeds the threshold set, the eight audio outputs of the selected board
can be connected with the selected INPUT VOX input.
b) The OUTPUT PROCESSORS configuration menu (see the related section) must be used to enable/disable the VOX function on the desi-
red outputs of the selected OB 3230 AUDIO OUTPUT board. With this definition, when the VOX signal exceeds the threshold set, the out-
puts having the VOX function activated are connected with INPUT VOX input defined by means of the operation described in point (a).

AUDIO SIGNAL RECORDING/PLAYBACK

In the RX 3000 system, you can create and play back audio files for storing audio signals of various types: messages, announcements,
pre-announcement tones, alarm signals, etc..

CREATING THE SOUNDS

Using the TONE GENERATOR function of the RECORDER menu (see the section USING THE "RECORDER" MENU), you can create sounds
composed of one or more tones, which can be defined as desired.
The sound created is digital, and is stored as a file on the hard disk of the control unit along with the other audio files present in the library of
audio signals included with the system, or those created by means of the RECORD and ASSEMBLY functions of the CP 3100 control unit
(see the section USING THE "RECORDER" MENU).
Playback of the sounds created can take place in one of the ways described in the section AUDIO FILE PLAYBACK.

AUDIO SIGNAL RECORDING

The audio board of the CP 3100 control unit makes it possible to record audio signals coming from:
a. a. a microphone connected to the MICRO IN input of the audio board.
b. one of the sources connected to the system inputs (inputs of the IB 3210 / IB 3280 AUDIO INPUT boards). When the recording function
is enabled, the audio matrix of the system automatically connects the input selected with the RECORDER output defined (see the sec-
tion USING THE "OUTPUT PROCESSORS" MENU).
The audio signal to be recorded, which is analogue, is digitalized by the audio board and stored as a file on the hard disk of the control unit.
Audio signal recording is made using the RECORD function of the RECORDER menu (see the section USING THE "RECORDER" MENU).
Playback of the recorded signals can take place in one of the ways described in the section AUDIO FILE PLAYBACK below.

AUDIO FILE PLAYBACK

The CP 3100 control unit is equipped with an audio board that makes it possible to play back audio signals stored as files on the hard disk
(audio files), which can be messages, announcements, pre-announcement/alarm signals, etc. The audio files available are those included in
the library of audio signals provided with the system, or those created using the RECORD, ASSEMBLY and TONE GENERATOR functions
of the CP 3100 control unit (see the section USING THE "RECORDER" MENU).
Playback of an audio file can be carried out in one of the following ways:
a. using the PLAY function of the CP 3100 control unit (see the section USING THE "RECORDER" MENU).
b. by means of the F1 key on the CP 3100 control unit during use of the TONE GENERATOR and ASSEMBLY functions.
c. by means of the F1, F2, F3 keys of the BM 3616 digital consoles (see the section USING THE "CONSOLES" MENU).
d. by means of the GPI inputs of the IO 3250 digital INPUT/OUTPUT boards (see the section USING THE "GPI EVENTS DEFINITION"
MENU).
e. by means of a timed event (see the section USING THE "TIMER EVENTS DEFINITION" MENU).
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