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1

Table of Contents 

1

Overview 2

IntelliMix

®

 Operating Principles 

2

Mixer Modes 

2

Dual Mixer Operation 

2

Audio Processing 

2

Networking 2
Model Variations 

2

SCM820 Description 

3

Front Panel 

3

Rear Panel 

4

Operating the Mixer 

5

Front Panel Modes 

5

Audio Mute and Bypass 

5

Monitoring 5

The SCM820 Graphical User Interface 

6

Graphical User Interface (GUI) 

6

Accessing the GUI 

6

Installation 7

Rackmounting 7
Power 7
Typical Audio Connections 

7

Configuring the Inputs and Outputs 

8

Setting IntelliMix 

9

IntelliMix Parameters 

9

Mixer Mode Descriptions 

9

Selecting the Mixer Mode 

10

Single or Dual Mixer Operation 

10

Networking 11

Network Overview 

11

Digital Audio Networking 

11

Dante Software by Audinate 

13

Dante Controller 

13

Dante Virtual Soundcard 

13

Application Examples 

14

Creating a Link Group 

14

Integrating with Other Systems 

14

Configuring for Use with a Choir 

14

Internet Calling 

15

Logic 15

Troubleshooting 16

Event Log 

17

Front-Panel Error Messages 

17

Important Product Information 

17

Information to the user 

17

Patent Notice 

17

Certifications 17
Signal Path Diagram 

18

GUI Description 

19

Navigation Bar 

19

Input  

20

Intellimix Tab 

21

Output Tab 

23

Link Group Tab 

24

Preferences Tab 

25

Log On Page 

27

Specifications 28

Analog Connections 

28

Digital Signal Processing 

28

Networking 28

IP Ports and Protocols 

29

Furnished Accessories 

29

Connector Diagrams 

30

Table of Contents

Содержание SCM820 Digital IntelliMix

Страница 1: ...27A20290 Rev 1 2013 Shure Incorporated SCM820 Digital IntelliMix Automatic Mixer ...

Страница 2: ...he cart apparatus combination to avoid injury from tip over 13 UNPLUG this apparatus during lightning storms or when unused for long periods of time 14 REFER all servicing to qualified service personnel Servicing is required when the ap paratus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus ha...

Страница 3: ...Mixer Operation 10 Networking 11 Network Overview 11 Digital Audio Networking 11 Dante Software by Audinate 13 Dante Controller 13 Dante Virtual Soundcard 13 Application Examples 14 Creating a Link Group 14 Integrating with Other Systems 14 Configuring for Use with a Choir 14 Internet Calling 15 Logic 15 Troubleshooting 16 Event Log 17 Front Panel Error Messages 17 Important Product Information 17...

Страница 4: ...nd to achieve a natural sounding audio program even during long pauses in conversation Mixer Modes The mixer operates in one of five Mix Modes Classic Smooth Extreme Custom or Manual The first three are factory settings that offer a range of reliable automixing styles IntelliMix is configurable in Custom mode and turned off in Manual mode Classic Classic mode emulates the default settings of the c...

Страница 5: ... Mix B or both for adjustment with the master knob and monitoring on the LED ring and headphone output Note When both Mix A and Mix B are selected the headphone output only monitors Mix A Mix Status Indicator LED Mix Status Green Mix is selected for adjustment and listening on the headphone output Amber Limiter is bypassed Red Mix is muted Audio Output Meters Monitor the output signal level and li...

Страница 6: ...gnal path See Configuring the Inputs and Outputs for details on direct output routing Chassis Ground Screw 1 8 Provides an optional connection for microphone shield wire to chassis ground IntelliMix Select Buttons Scrolls through IntelliMix presets for each mix output When dualmixer is off the A button sets the mode for both Mix A and Mix B Dual Mixer Button Sets the SCM820 as a dual mixer indicat...

Страница 7: ...i i i i i i i i i i i gain low cut hi shelf ch meter iiii i i i i i i i i i i i i i i i i gain low cut hi shelf ch meter iiii i i i i i i i i i i i i i i i i iiii i i i i i i i i i i i i i i i i 320 Hz 25 Hz 92 Hz 2 dBFS 50 dBFS 24 dBFS 60 dBFS 0 dBFS dB 18 dB dB 18 dB 0 dB 0 dB 12 dB 12 dB 0 dB MASTER gain A B limiter iiii i i i i i i i i i i i i i i i i MASTER gain A B limiter 16 dBFS gain low c...

Страница 8: ... push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 ...

Страница 9: ...36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE 4 5 OUT L R mix a mix b AUX IN 7 gate IN mute ovrd gnd direct out 8 gate IN m...

Страница 10: ...ut the signal by 12 dB at 5 kHz with a slop of 12dB octave Direct and Mix Outputs Assign the Direct Outputs GUI Only Assign the Direct Output for each channel from the Output tab of the GUI Pre EQ After the Input Gain Post EQ After the EQ blocks Post Fader After the channel fader IntelliMix After the IntelliMix gating decision IntelliMix NOMA After IntelliMix gating and NOMA decisions Set Mix Outp...

Страница 11: ...resets and can be customized to excel in any application where multiple microphones are used at once In all modes except Manual MaxBus ensures that only one channel is opened per sound source Channel Gain in Classic Mixer 1 Talker Full gain is applied as the channel opens off attenuation gain is applied to all channels 2 Talkers As additional channels open NOMA factor decreases the level of all ch...

Страница 12: ...mary secondary CHANNEL INTELLIMIX 00 0E DD AA B B CC 4 5 T L R a x b AUX IN 7 gate IN mute ovrd gnd direct out 8 gate IN mute ovrd gnd direct out 6 gate IN mute ovrd gnd direct out gate IN mute ovrd gnd direct out gate IN mute ovrd gnd direct out 3 gate IN mute ovrd gnd direct out 2 gate IN mute ovrd gnd direct out 1 gate IN mute ovrd gnd direct out lockout line A A B B manual smooth classic extre...

Страница 13: ... network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE Inte...

Страница 14: ...8 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network ...

Страница 15: ...nte has a predetermined selection of latency settings When the same setting is selected it ensures that all Dante devices on the network are in sync The latency setting for Dante devices should be set according to the number of switches in the network The SCM820 network card has an internal switch chip and counts as a switch For example one SCM820 connected to an external switch equals two switche...

Страница 16: ...ear at the mixer outputs This is the default setting for the mixer Local Only its own eight input channels appear at the mixer s Mix Outputs Aux Channel The aux channel can be set to Local or Global from GUI Inputs Tab Local Aux keeps the Aux signal from appearing on the mix output of other networked boxes Integrating with Other Systems Feedback Controller or Equalizer When setting up a sound syst...

Страница 17: ...rophone activates all other microphones mute automatically Remote Channel Open Indicators Remote indicators can be used to indicate when a talker s microphone is on Connect the LEDs and a 5 volt supply to the GATE OUT pin To avoid switching clicks in the audio output do not ground the power supply negative terminal in the audio system or rack ground Important If a single cable is used for the micr...

Страница 18: ... that five or less windows are open to the same GUI Disable software meters from GUI Preferences tab See Network section for properly setting up the network Network Audio and Link Groups Problem Indicator Solution Network audio is missing or distorted Network Audio LED Green Check channel and mix gain Flashing Green Ensure the mixer has a stable network connection Use Dante Controller software DC ...

Страница 19: ...nected directly to a public internet network EMC conformance to Environment E2 Commercial and Light Industrial Testing is based on the use of supplied and recommended cable types The use of other than shielded screened cable types may degrade EMC performance Changes or modifications not expressly approved by Shure Incorporated could void your authority to operate this equipment This Class B digita...

Страница 20: ...network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE Intel...

Страница 21: ...kout 2 Device List Displays the name of the mixer as set in the Preferences tab Click the drop down bar and select a device to open its GUI in a new window or tab 3 Identify When clicked this commands the mixer s LEDs to flash for easy identification 4 Log Off When a password is set this button logs off of the device and returns the user to the Log On page This button does not appear when there is...

Страница 22: ...indicators function separately for each mix 8 Clip Indicator Illuminates when the signal is clipping the input preamp The light will stay lit as a warning for 2 seconds Select a lower Input Gain Level to avoid clipping Input 9 Input Meter Displays signal level information The meter is customizable in the Preferences tab to monitor the following options Realtime monitoring of the input signal level...

Страница 23: ...s Tab 6 Routing Routes the channel to the Mix A or Mix B output The routing options depend on the Mixer Type Single Mixer Type the channel can route to both or neither mixes Dual Mixer Type the channel can route to Mix A Mix B both or neither mixes 7 Gating Logic When the mixer is set to Dual Mixer operation this setting determines whether Mix A or Mix B controls the hardware functions IntelliMix ...

Страница 24: ...ntain a uniform system gain comparable to that of a single open channel Note Off Attenuation Last Mic Lock On and NOMA are disabled in this setting 18 Off Attenuation Sets the amount of attenuation applied to closed channels This is disabled when the Gain Scaling is set to Adaptive 19 Hold Time In Full gating style this determines how long a channel remains open after the signal level drops below ...

Страница 25: ...Width and Q This setting adjusts the bandwidth of the EQ adjustment from very narrow 1 70 octave or 100 99Q to very wide 4 octaves or 0 27 Q Gain Sets boost or cut of the EQ setting from 18 to 18 dB 8 Lim Limiter Indicator Illuminates to indicate that the signal has exceed the limiter threshold engaging the limiter 9 Clip Indicator Illuminates when the signal has clipped the outputs holding for tw...

Страница 26: ...e Auto Link enabled When a device is placed in a group it will automatically configure the unit to the group s settings 3 Stand Alone Devices List Displays all mixers that function independently of a link group 4 New Group Button Creates a new Link Group to the list 5 Delete Group Button Deletes an empty group from the Linked Device Group window This is inactive if there are any mixers in the grou...

Страница 27: ...ferences Tab 9 IntelliMix Metering Changes the GUI Input meters to display IntelliMix attenuation applied in realtime as displayed with an orange meter Channels that gate open will display more gain than channels that are closed attenuated in the mix 10 Disable Software Meters When selected this turns off all metering in the GUI Disabling meters helps to reduce network traffic This does not affect...

Страница 28: ...the password Once a password is set any user can log on as a Guest to view the GUI without changing settings To clear a password and allow anyone full editing rights 4 Log on to the GUI 5 Enter the current password into the Old Password text field 6 Press the Clear button 20 Load Settings Button Uploads a file of saved settings to the device This reconfigures the IntelliMix settings of all units i...

Страница 29: ...the GUI 4 Language Sets the language of the GUI This setting is saved to the computer s cookies Event Log The event log provides a detailed account of mixer activity from the moment the mixer is powered on The log collects and time stamps up to 1 000 activity entries for the mixer The Event Log is a reference tool for troubleshooting when calling Shure Systems Support or Service Department The log...

Страница 30: ...Level Line 0dB Aux 20dB Mic 46dB Active Balanced 350 Ω 20 dBV 0 dBV 26 dBV Direct Output Configuration Impedance Max Output Level Impedance Balanced 150 Ω 20 dBV Headphone Output 6 35 mm 1 4 TRS 100 mW 350 Ω dual mono will drive stereo phones Digital Signal Processing AD DA Converter 24 bit 48 kHz 113 dB dynamic range typical Internal Processing 32 bit Latency From channel input to mix output Esti...

Страница 31: ...covery Open 427 udp SLP Required for service discovery Open 443 tcp HTTPS Closed 161 tcp SNMP SNMP Closed 162 tcp SNMP SNMP trap Closed 843 tcp Flash Required for embedded Adobe Flash GUI Open 2202 tcp Required for 3rd party control strings Open 5353 tcp mDNS Required for device discovery Open 5568 udp SDT Required for device control Open 8023 tcp Telnet Debug console interface Password 8180 tcp F...

Страница 32: ...ual mixer 0dB mic 30dB mic phm 48 VDC CH 46dB reset CHANNEL INTELLIMIX C C B B A A D D E 0 0 0 auto link gate IN Aux Out mute ovrd gnd L R L 1 14 25 13 R GATE OUT LOGIC GROUND MUTE IN OR OVERRIDE IN 100K 10K 5 V 5 V To SCM820 IntelliMix Processing From SCM820 IntelliMix Processing Main Outputs Inputs Direct and Main Outputs Aux Input Aux Input 1 2 3 4 5 6 7 8 Positive Negative Ground Channel Input...

Страница 33: ...mail info shure com hk United States Canada Latin America Caribbean Shure Incorporated 5800 West Touhy Avenue Niles IL 60714 4608 USA Phone 847 600 2000 Fax 847 600 1212 USA Fax 847 600 6446 Email info shure com Europe Middle East Africa Shure Europe GmbH Jakob Dieffenbacher Str 12 75031 Eppingen Germany Phone 49 7262 92490 Fax 49 7262 9249114 Email info shure de ...

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