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DIGIMIC miniDigital microphone management system, wired, for small applications

Architectural and Engineering Specifications I English

DIGIMIC mini I Digital Microphone Management System | Architectural and Engineering Specifications

About this document

TaskIf an invitation to tender or bid is to be prepared for a Brähler DIGIMIC mini micro-phone management system, it is necessary to have a comprehensive description of functions and detailed specifications covering all system components. The following specifications are intended for this purpose and may be copied and used for tenders.

Target GroupThese specifications are intended for contractors, advisers, architects, engineers, partner companies, and other people involved in project conception, specification, and implementation.

CopyrightBrähler ICS AG, Germany, owns the copyright on this data but permits its use for the purpose of preparing invitations to tender, specifications, and proposals, including the accompanying documentation in support of sales and project management activities. You may reproduce the data in whole or in part.

Document FormatThis document is available in Microsoft® Word format (.doc) and as a PDF.

Connection StandardsDisplayPort is a universal connecting standard developed by the Video Electronics Standards Association (VESA).

miniCON is a pin-type connector made by Neutrik.

CM9 system cable is a proprietary specification developed by Brähler featuring Dis-playPort connectors.

2 BRÄHLER ICS Konferenztechnik AG | document.doc


Table of ContentsTable of Contents...........................................................................................3

Introduction....................................................................................................5

1.0 Overview............................................................................................5

1.1 System Structure...............................................................................5

1.2 General Components Overview DIGIMIC mini................................6

1.3 General System Functions...............................................................7

1.4 System Operation..............................................................................7

2.0 Conference Modes............................................................................7

2.1 Manual Mode......................................................................................7

2.2 Automatic Mode................................................................................8

2.3 Microphone Voice Control (VOX Mode)...........................................8

3.0 Control Console DCen mini..............................................................8

4.0 Special Features and Functions......................................................9

4.1 Desktop Microphone Units.............................................................10

4.2 Desktop Chairperson Unit (CChair)...............................................10

4.3 Desktop Chairperson Unit (CChair CSV).......................................11

4.4 Desktop Delegate Unit (CMic)........................................................11

4.5 Desktop Delegate Unit (CMic CSV)................................................12

5.0 Microphones....................................................................................13

5.1 Microphone with External Wind Protection (TM58/6)...................13



5.2 Microphone with Integrated Wind Protection (TMD01, TMD01-2S)14

6.0 Accessories.....................................................................................14

6.1 DIGIMIC Additional Power Supply Unit (DExt)..............................14

7.0 Transport Material...........................................................................16

7.1.1 Transport Tray (21xCMic)...............................................................16

7.1.2 Transport Tray DCen mini...............................................................16

7.1.3 Transport Tray (TM58/6 or TMD01).................................................16

7.1.4 Transport Case (KB-0)....................................................................16

8.0 Overview of DIGIMIC mini Components........................................17

9.0 Block Diagrams...............................................................................18

9.1 Block Diagram of System with CMic Microphones......................18

9.2 Block Diagram of System with CMic CSV Microphones..............18

9.3 Block diagram of System using DMic Microphones and PC.......19

9.4 Block Diagram of System with PC and SW Plug-In for Voting....19

10.0 System Enhancements...................................................................20

10.1 Software and Conference Management........................................20

11.0 Overall Overview of DIGIMIC Product Line...................................21

12.0 Links (List of URLs)........................................................................22

13.0 Product Images of DIGIMIC mini and Microphones..........................22



IntroductionThe DIGIMIC mini microphone management system is intended for small and me-dium-sized rounds of talks. Development was focused on user friendliness and quick and simple system set-up (plug and play). Its interfaces provide connectivity to ex-ternal systems, e.g. a public address system, a clip-on microphone, etc. It is naturally possible to connect a recording system with freely selectable recording formats (WAV, MP3, or others) and corresponding storage media.

1.0 OverviewThe microphone management system must comply with international standard IEC60914.It is basically operated as a wired system.The microphones for wireless operation are the delegate and chairperson units CMic, CMic CSV, CChair, CChair CSV, and DMic via connection adapter.

The system must allow an optimised and problem-free adaptation to various require-ments.

The system must- have a line input for external signal sources, e.g. from the mixing console or wire-

less presentation microphone- have a line output for connection to a public address system- have various microphone operating modes- be operable as a stand-alone system (without a PC)- have a LAN connection (control, update)- as an optional extra, be controllable via PC and application software.

1.1 System StructureThe microphone management system is designed as a single-cable (daisy-chain) system with automatic self-configuration and linear cable topology.

All functions and operational controls contained in the system must be controllable via key combinations (VOX, FLOAT, BAL, VOL).

The various conference units, such as the various delegate units, must be easy to in-tegrate.

The system is to use a single system cable to connect all conference units (shielded, specially twisted Brähler system cable) with stable, lockable connectors.



1.2 General Components Overview DIGIMIC miniWired

Wired Combined with “pro” microphone units

DCen mini

CChair DChair

CChair CSV DChair

CMic DMic

CMic CSV DMic

Microphone Microphone

DExt DExt

Special applications:

CChair-TM CChair-TM

CChair-UTM CChair-UTM

CMic-TM CMic-TM

CMic-UTM CMic-UTM

The following describesa) the wired systemb) special applications



1.3 General System FunctionsThe microphone management system, including all its features, must provide the fol-lowing functions:

All audio signals must be entirely digital

Central control of all connected microphone units, providing various operating modes within the connected system

Operating modes must be directly controllable without interruption of the audio signals

Allocation of chairperson priority (MUTE)

Attenuation of open microphones, particularly for use with a simultaneous in-terpretation system, in order to prevent interference

Automatic identification of each individual microphone unit within the system

Allocation of the internal audio signal to the analogue output interface, e.g. Line OUT (cinch)

Separate Line IN (cinch) for external signal sources or a mixed signal from the mixing console

Balanced output for public address system or separate allocation of the mixed audio signal from the system

LAN connection for PC, firmware updates, or remote control

Use of the delegate unit for voting, in the case of CMic CSV and CChair CSV in connection with PC / laptop and voting module

Extension to voting system via PC and DIGIVOTE voting module (PowerPoint)

1.4 System OperationAnybody is to be able to operate the system.- Technician: setup, operation and maintenance directly at the control console and

via software- Operator: conference operation- Chairperson: priority function, delegating and administrating- Secretary: chairperson support

2.0 Conference ModesThe conference system must include the following microphone operating modes:

2.1 Manual ModeManual mode, i.e. floor request with allocation, can be operated using the application software (cf. description of DMicControl).

2.2 Automatic ModeThe wired DIGIMIC is to provide the following different automatic modes:



AUTomatic Up to 3 microphone units can be simultaneously activated.

AUTFloat If the maximum number of active microphones has been reached, the delegate whose microphone has been activated the longest is re-placed by the new delegate.

All delegates must be able to independently switch off themselves or their floor re-quest in each and every operating mode.

2.3 Microphone Voice Control (VOX Mode)In voice control mode the delegate units are to be activatable by voice alone, i.e. a delegate simply speaks into his or her microphone and the microphone unit is activ-ated automatically. This operating mode is useful in pure debates without a simultan-eous interpretation system in the background.

The wired DIGIMIC mini provides the following voice control modes:

VAL Voice control mode with a limitation on the maximum number of act-ive delegate units to 3

VALC Voice control mode including chairperson mute with a limitation on the maximum number of active delegate units to 3

3.0 Control Console DCen miniAs a fully digital system, the control console has a broad range of functions and vari-ous interfaces, including the possibility of future enhancements. As a basic version, the system can control 25 microphone units, but must be extendable via correspond-ing equipment, e.g. additional power supply. It must also be possible to add software control via PC or laptop, including allocation by name and logging.The compact control console is intended for wireless operation in a small conference environment. It has a connection branch for the delegate units. 25 microphone units are to be connectable here, however the branch must also be extendable by a further 25 microphone units using an additional power supply DExt.The control console is designed for stand-alone operation (without a PC). It has an external power supply covering the range of 90 to 240 V.

Technical SpecificationsThe following functions and features must be included:- Volume control via +/- key- Balance control via +/- key- Various microphone operating modes (FLOAT, VOX, AUT), directly operable

without interruption. The operating modes can be set via a key combination on the front of the control console.

- Allocation of the (delegate) mute function by the chairperson via the chairperson unit



- A LAN connection must be available for a PC to provide remote control functional-ity (TCP/IP).

The display LEDs at the front in the respective keys show the operating status.

The following connections must be provided:- A CMic connection for up to 25 delegate units (DisplayPort)- Audio input for an external signal, e.g. from the mixing console, wireless hand or

clip-on microphone (cinch)- 1 XLR OUT (balanced) for separate allocation of the entire audio signal, control-

lable via MIC/Line level- 1 line output (unbalanced) for separate allocation of the microphone signal of the

individual delegates (cinch)- 1 LAN connection (RJ45)

Digital Audio- Sampling rate: 48 kHz- Transmission range: 20 to 20,000 Hz- Latency: approx. 1 msec

Features- Power switch with illuminated display- Six illuminated keys (VOL+/-, BAL+/-, VOX, FLOAT)- Silent operation- External power supply (DC 48 V)- Protection against short-circuiting and overloading at the CMic output- Housing: plastic, silver- Size: 200 x 65 x 200 mm- Weight: ca. 2 kg- Make: Compact Control Console Brähler ICS AG or equivalent- Type: DCen mini

4.0 Special Features and FunctionsInputTo provide the delegate microphone unit (loudspeaker or headset) with additional au-dio sources apart from the microphone signal, the audio signal of the microphone management system must be separately allocatable, enabling it to be mixed with other audio signals via a mixing console and subsequently fed back into the system.

4.1 Desktop Microphone UnitsThe wired system must be operable with the following microphone units:- Chairperson unit (CChair, CChair CSV):

Microphone unit for a chairperson, including microphone and priority or “mute all” function. Two integrated loudspeakers for local acoustic support



- Delegate units (CMic, CMic CSV):Microphone unit for a delegate including microphone function. Two integrated loudspeakers for local acoustic support

- Microphone can be simply attached, taken off, and fixed in position- All microphones have a low sensitivity to interference from mobile phones, Wi-Fi

and/or Bluetooth communication devices.- The integrated loudspeakers of the microphone unit must be automatically muted

as soon as the corresponding microphone is activated.- The CSV delegate unit variants must permit voting procedures to be conducted

using a PC or laptop and the software plug-in for PowerPoint.

The microphone units are to be available as:- Mobile desktop units

4.2 Desktop Chairperson Unit (CChair)The chairperson unit is to be a compact desktop unit equipped with the required con-ference functions. It must have a big microphone key with background LED illumina-tion, a microphone connector, and two integrated loudspeakers for local acoustic sup-port. To allow intervention in the conference proceedings, the chairperson unit must have an illuminated “mute all” key for permanent or temporary muting of the delegate units.The microphone unit must be switchable into permanent PRIO mode if so required.

Technical SpecificationsConnections- 2.5 m connecting cable with DisplayPort connector for connection to previous unit

or control console (PREVIOUS)- Insert socket (NEXT) [DisplayPort] for connection to the next unit- Microphone socket [miniCON] for microphone- Headphone jack [3.5 mm] for headphones

Characteristics- Sampling rate: 48 kHz- Frequency range: 20 kHz- Illuminated microphone key for MIC on / off, floor request- Illuminated “mute” key for interventions- Two integrated loudspeakers- Volume control via +/- rocker- Power supply via system bus cable- Size: 139 x 18/44 x 141 mm- Weight: 360 g- Make: Brähler ICS AG- Type: CChair



4.3 Desktop Chairperson Unit (CChair CSV)The chairperson unit is to be a compact desktop unit equipped with the required con-ference functions. It must have a big microphone key with background LED illumina-tion, a microphone connector, and two integrated loudspeakers for local acoustic sup-port. To allow intervention in the conference proceedings, the chairperson unit must have an illuminated “mute all” key for permanent or temporary muting of the delegate units. In addition, it must have an OLED display which shows the channel selection or voting function.The microphone unit must be switchable into permanent PRIO mode if so required.



Characteristics- Abtastrate: 48 kHz- Frequenzbandbreite: 20 kHz- Illuminated microphone key for MIC on / off, floor request- Illuminated “mute” key for interventions- Two integrated loudspeakers- Volume control via +/- rocker- Display showing the speech channels or voting information- Display features automatic brightness control, depending on ambient light- 5 keys for channel selection or voting functions- Power supply via system bus cable- Size: 139 x 18/44 x 141 mm- Weight: 360 g- Make: Brähler ICS AG- Type: CChair CSV

4.4 Desktop Delegate Unit (CMic)The delegate unit is to be a compact desktop unit equipped with the required confer-ence functions. It must have a big microphone key with background LED illumination, a microphone connector, and two integrated loudspeakers for local acoustic support to delegates. The unit must also feature a headphone jack including volume control.





Characteristics- Sampling rate: 48 kHz- Frequency range: 20 kHz- Illuminated microphone key for MIC on / off, floor request- Two integrated loudspeakers- Volume control via +/- rocker- Power supply via system bus cable- Size: 139 x 18/44 x 141 mm- Weight: 360 g- Make: Brähler ICS AG- Type: CMic

4.5 Desktop Delegate Unit (CMic CSV)The delegate unit is to be a compact desktop unit equipped with the required confer-ence functions. It must have a big microphone key with background LED illumination, a microphone connector, and two integrated loudspeakers for local acoustic support to delegates. The unit must also feature a headphone jack including volume control. In addition, it must have an OLED display which shows the channel selection or vot-ing function.



Characteristics- Sampling rate: 48 kHz- Frequency range: 20 kHz- Illuminated microphone key for MIC on / off, floor request- Two integrated loudspeakers- Volume control via +/- rocker- Display showing the speech channels or voting information



- Display features automatic brightness control, depending on ambient light- 5 keys for channel selection or voting functions- Power supply via system bus cable- Size: 139 x 18/44 x 141 mm- Weight: 360 g- Make: Brähler ICS AG- Type: CMic CSV

System cable- Shielded, specially twisted Brähler CAT5 cable (D9).

Customised cables in lengths of 5 m, 10 m, 20 m and 30 m are to be available insuffi-cient supply to ensure full functionality of the system.

5.0 MicrophonesThe microphones on the microphone units must be electret and have a status all-round indicator, a rigid microphone gooseneck, and a high-quality connector (Neutrik miniCON), in the design colours matt black or silver. The microphones are to be lock-able and easily detachable.

All microphones have a low sensitivity to interference from mobile phones, Wi-Fi and/or Bluetooth communication devices.

Microphones in various lengths and with up to 2 goosenecks must be available to suit the respective conference situation.

5.1 Microphone with External Wind Protection (TM58/6)Technical DataThe microphone must comply with international standard IEC914.- Transducer principle: electret condenser- Pick-up characteristic:: cardioid- Audio transmission range: 30 Hz to 18,000 Hz- Sensitivity (free field, no load, 1 kHz): -43 dB (0dB = 1 V/Pa)- Impedance: 1 kOhm- Max. SPL: 120 dB- Signal interval: >68 dB (A weighted, 1 kHz)- Operating voltage: 5 VDC (1.5 to 9 V)- All-round indicator: colour red- Rated current: 20 mA (50 mA max.)- Plug: Neutrik miniCON- Dimensions: overall length 360 mm- Head diameter: 17.5 mm- Weight: 80 g



5.2 Microphone with Integrated Wind Protection (TMD01, TMD01-2S)Technical DataThe microphone must comply with international standard IEC914.- Transducer principle: electret condenser- Pick-up characteristic:: cardioid- Audio transmission range: 90 Hz to 18,000 Hz- Sensitivity (free field, no load, 1 kHz): -43 dB (0dB = 1 V/Pa)- Impedance: 1 kOhm- Max. SPL: 120 dB- Signal interval: >68 dB (A weighted, 1 kHz)- Operating voltage: 5 VDC (1.5 to 9 V)- All-round indicator: colour red- Rated current: 20 mA (50 mA max.)- Plug: Neutrik miniCON- Dimensions: overall length 360 mm- Head diameter: 16.0 mm- Weight: 80 g

6.0 AccessoriesVarious accessories must be available to expand the basic system. An additional power supply is used to expand the system to more than 25 delegate units. Transport trays and cases are to be made available depending on the system’s deployment.

6.1 DIGIMIC Additional Power Supply Unit (DExt)The additional power supply DExt enables the DIGIMIC system to be expanded. The control console DCen mini operates 25 delegate units as a basic setup. The addi-tional power supply must enable 25 additional delegate units to be connected in the chain. Attention must be paid to ensuring that the various delegate units – e.g. CMic CSV and DMic – are not mixed within one and the same cable strand.In addition to providing additional performance, the digital data signals and the power must be processed.The connection cable from the control console to the first unit is not to exceed 100 metres in length.

Technical DataConnections- PREVIOUS (D9): to previous unit- NEXT (D9): to next unit- Power supply connector: power supply socket

Features- Green LED: voltage display 48 V



- Power supply unit: 90 to 240 VAC, 50 to 60 Hz- Power draw: 120 W max.- Housing: aluminium, “silver” anodised- Size: 100 x 43 x 233 mm (W x H x D)- Weight: 1.0 kg- Make: Brähler ICS AG- Type: DExt



7.0 Transport MaterialFor use in multifunctional conference rooms, storage units for safekeeping the deleg-ate units and microphones must be provided. In this respect, the following possibilities must be available:The delegate units are stored for safekeeping in transport trays and transport cases.

7.1.1 Transport Tray (21xCMic)Foam inserts must be available for the delegate units CMic and CMic CSV to prevent them suffering needless damage. The inserts are to be usable either alone or in con-nection with the transport case KB-0. The foam insert can store 20 delegate units and must also provide enough space for the corresponding microphones.Colour: blackSize: 524 x 326 x 225 mm (L x W x H)Type: Tray 21xCMic

7.1.2 Transport Tray DCen miniFoam insert for control console DCen mini, power supply and connecting cable.

7.1.3 Transport Tray (TM58/6 or TMD01)Foam insert for 10 microphones TMD/01 or TM58/6 in combination with the insert for CMic units.Type: TEM08P

7.1.4 Transport Case (KB-0)Transport case for transport trays for DIGIMIC units, e.g. transport tray 21xCMic, with side handle, aluminium, lockable.Size: 600 x 400 x 420 mm (L x W x H)Weight: approx. 6 kgType: KB-0



8.0 Overview of DIGIMIC mini Components

CMic and CMic CSV

WiredDCen mini Control console

CChair or CChair CSV Chairperson unit

CMic or CMic CSV Delegate unit

DExt Additional power supply

Microphone TM58 or TMD01

DMic with adapter cable Delegate unit from “pro” series

System expansion software DMicControl Control software

DIGIVOTE Basic interactive DIGIVOTE plug-in module for PowerPoint



9.0 Block Diagrams

9.1 Block Diagram of System with CMic Microphones

CChair

DCen mini

CMic CMic CMic CMic

100 – 240 VAC

Power Supply

Microphone management system using standard microphones

9.2 Block Diagram of System with CMic CSV Microphones

CMic CSV

DCen mini

CMic CSV

CChair CSV

100 – 240 VAC

Power Supply

Microphone management system using microphones with integrated channel selector



9.3 Block diagram of System using DMic Microphones and PC

DMicDMic

DChair

DCen mini

Switch / Hub

Power Supply

Adapter cable08.3502 D9 cable

LAN cable

D9 cable

D9 cable

Microphone management system integrated in LAN with PC control

9.4 Block Diagram of System with PC and SW Plug-In for Voting

CMic CSV

DCen mini

CMic CSV CMic CSV

CChair CSVLAN

Switch / Hub

PC Software• DVIII basic interactive• DMicControl 100 – 240 VAC

Power Supply

Microphone management system integrated in LAN, with PC control and using the voting module for PowerPoint (2010).



10.0 System EnhancementsIn respect of the functionality of its hardware and software, the system must be open to enhancements at any time. It shall permit overall safety and stability improvements. Maintenance/monitoring of the system must be user-friendly and should largely also be possible during ongoing conference proceedings.

10.1 Software and Conference ManagementThe software shall steer the conference system and must be enhanceable and cus-tomisable in terms of its functionality and user interface design. The graphical user in-terface (geographical layout) is to be simply and quickly configurable to meet cus-tomer requirements.



11.0 Overall Overview of DIGIMIC Product Line

Wired and wireless (pro / classic / hybrid operation)

Wired pro Wired classic Wired mini Wireless Hybrid ModeDCen DCen DCen mini DSpark DCen

/ / / DCen(Option)

DSpark

DChair or CChair

CChair or CChair CSV

CChair or CChair CSV

DChair +DDoc

DChair /DChair+DDoc

DMic or CMic

CMic or CMic CSV1

CMic or CMic CSV2

DMic + DDoc DMic / DMic + DDoc

DExt DExt DExt / DExt

/ / / Rechargeable batteries

Rechargeable batteries

Microphone Microphone Microphone Microphone Microphone

Special applica-tion3

CChair-TM CChair-TM / / CChair-TM

CChair-UTM CChair-UTM / / CChair-UTM

CMic-TM CMic-TM / / CMic-TM

CMic-UTM CMic-UTM / / CMic-UTM

CChair CSV TM / / CChair CSV TM

CMic CSV TM / / CMic CSV TM

CChair CSV UTM / / CChair CSV UTM

CMic CSV UTM / / CMic CSV UTM

DDol4 DDol / DDol5 DDol

1 Only available as stand-alone unit2 Only available as stand-alone unit3 All front panels of the special applications are customisable in terms of size and functional contents.4 Available as stand-alone unit 1+7 channels5 DDol plus DIGIMIC wireless only in combination with IR audio transmission system



12.0 Links (List of URLs)

www.digimic.de

www.digimic.com

www.konferenztechnik.com

www.braehler.com

13.0 Product Images of DIGIMIC mini and Microphones

Control Console DCen mini (front view)

Control Console DCen mini (back view)



Delegate Unit CMic CSV with microphone

Delegate Unit CMic with microphone



Additional Power Supply DExt for system expansion

14.0 For additional specifications, please refer to

DIGIMIC pro

DIGIMIC classic

DIGIMIC wireless

CDSVAN – The Conference Management Solution

INFRACOM – Sound Distribution in the Infrared Range


For additional information, please visit: www.braehler.com

© 2012 Brähler ICS Konferenztechnik AGThe data contained herein is subject to change without notice.May 2013

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