security systems bu communication systems st/seu-co 1 dcn sa sd insertion mode 16.11.2004 audio...
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Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 1
Audio routing in Insertion Mode
Open audio path between the Delegate and Chairman microphones to the unit loudspeakers
Inserting of an external device such as for example an audio equaliser or audio-mixer gives more possibilities.
The external audio device is connected between the line output and the line input of the CCU.
I&O Manual
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 2
Standard Audio RoutingThe Digital Congress Network distributes the audio (floor, interpretation, intercom) from the Central Control Unit to the delegate units through 16 digital channels. The channels are assigned as follows:Channel Download assignment in the DCN system
Channel Interpret Floor Intercom0 Floor Floor1 Interpret2 Interpret3 Interpret4 Interpret5 Interpret6 Interpret7 Floor8 Floor9 Floor
10 Intercom11 Intercom12 Equalized Floor Output13 Delegate Loudspeakers14 Line Output15 Intercom
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 3
CCU - Standard mode
Delegate /ChairmanMicrophone
Delegate - Unitloudspeaker
Equalizer PALocal PA (MCCU)
CCUvolume
Line out
Line in
Public Area
Channel 0Interpreters HeadphoneUnit - loudspeaker.Delegates Headphone
Channel 12
Channel 13
Channel 14
Rec. in
Rec. outMastervolume PC-Control
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 4
CCU - Standard mode
Channel 0:
This is the Floor-sound as sent to the interpreters unit. For protecting and convenience reasons, this Floor-level is distributed with a dynamic range of 1 dB.Channel 1 - 11:In our Stand-alone-System it is possible to assign channels 1 to 11 for Interpretation. In our System Installation Software Module (LBB 3585) it is possible to assign channels 1 to 15 either as Interpretation, Floor, Intercom or as a mix between this, as shown above. The channels (1 to 11 and 15) can therefore represent either an interpretation channel, a floor, or 2 duplex Intercom channels.Channel 12:The CCU has a built-in equalizer. Channel 12 is the Floor coming out of the equalizer and only available one the Audio Media Interface. If the equalizer is activated (indicated by the green LED ‘on’ on front of the CCU). This equalized Channel is also routed to the delegate’s loudspeakers Channel 13.Channel 13:Floor as distributed to the delegate’s loudspeakers with a dynamic range of 12 dB.Channel 14:Line output as available on the back-side of the CCU with a dynamic range of 30 dB.
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 5
CCU - Standard mode
Channel 14:Line output as available on the back-side of the CCU with a dynamic range of 30 dB.Channel 15:1 duplex intercom-channel and one busy-tone channel. The individual channels can be made externally available via the Audio Media Interface (LBB 3508). The AMI has 4 analog outputs. Each output can be positioned via a 15-position rotary selector to channel 0 to 14. Interpretation channels are distributed with a dynamic range of 1 dB to make recording easy.
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 6
CCU - Standard mode
Delegate /ChairmanMicrophone
Delegate - Unitloudspeaker
Equalizer PALocal PA (MCCU)
CCUvolume
Line out
Line in
Public Area
Channel 0Interpreters HeadphoneUnit - loudspeaker.Delegates Headphone
Channel 12
Channel 13
Channel 14
Rec. in
Rec. outMastervolume PC-Control
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 7
Line out
Channel 14
Rec. out
CCU - Insertion Mode
Delegate /ChairmanMicrophone
Delegate - Unitloudspeaker
Equalizer PALocal PA (MCCU)
CCUvolume
Line in
Channel 0Interpreters HeadphoneUnit - loudspeaker.Delegates Headphone
Channel 12
Channel 13
Rec. in
Mastervolume PC-Control
I&O Manual
X
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 8
CCU - Insertion Mode
Insertion ModeIn insertion mode the normal audio path in the CCU from the added microphone signals to the loudspeakers of the delegate and chairman units is interrupted to allow connection of an external device such as for example an audio equalizer (mono).The external audio device is connected between the line output and line input of the CCU. See the figure below, showing the audio routing in the CCU and external device. Notes:In Insertion mode recording of the line input signal via the recorder output of the CCU is not longer possible. Only the microphone-signals coming from the connected microphone units of this CCU.In Insertion mode a permanent audio channel is used for the line input.
Therefore the number of available interpretation channels is one channel less than in the standard mode, thus 10 channels instead of 11 in stand-alone and multi CCU systems.
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 9
Line out
Channel 14
Rec. out
Audio routing in Insertion Mode
(Example)
Audio Mixer
Delegate /ChairmanMicrophone
Delegate - Unitloudspeaker
Equalizer PALocal PA (MCCU)
CCUvolume
Line in
Channel 0Interpreters HeadphoneUnit - loudspeaker.Delegates Headphone
Channel 12
Channel 13
Rec. in
Mastervolume PC-Control
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 10
Line out
Channel 14
Rec. out
Audio routing in Insertion Mode
(Example)
Audio Mixer
Delegate /ChairmanMicrophone
Delegate - Unitloudspeaker
Equalizer PALocal PA (MCCU)
CCUvolume
Line in
Channel 0Interpreters HeadphoneUnit - loudspeaker.Delegates Headphone
Channel 12
Channel 13
Rec. in
Mastervolume PC-Control
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 11
Dip-switch settings in CCU for different audio routing Modes
Mode Dipswitch 2 Dipswitch 3
Standard off off
mix-minus on off
Insertion off on
standard on on
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DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 12
Dip-switch settings in CCU for different audio routing Modes
Dip-switch settings in CCU for different audio routing modes.The setting of dip-switches 2 and 3 of Dip-switch S9 on the Trunk Communication Board of the CCU (see DCN Installation and Operating manual) determine the different modes.
Security Systems BU Communication Systems
DCN SA SD Insertion Mode16.11.2004 ST/SEU-CO 13
Audio routing in Insertion Mode
End of section
Robert Bosch GmbH
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