Shure MXA920 Скачать руководство пользователя страница 40

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Shure Incorporated

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Sampling Rate

48 kHz

Bit Depth

Sensitivity

at 1 kHz

−1.74 dBFS/Pa

Maximum SPL

Relative to 0 dBFS overload

95.74 dBSPL

Signal-to-Noise Ratio

Ref. 94 dBSPL at 1 kHz

75.76 dB Aweighted

Latency

Does not include Dante latency

Direct outputs (Automatic coverage off)

15.9 ms

Automix output (Includes IntelliMix processing)

26.6 ms

Self Noise

18.24 dB SPLA

Dynamic Range

77.5 dB

Digital Signal Processing

Automatic mixing, acoustic echo cancellation (AEC), noise reduction, automatic gain control, compressor,

delay, equalizer (4band parametric), mute, gain (140 dB range)

Acoustic Echo Cancellation Tail Length

Up to 250 ms

Frequency Response

125 Hz to 20,000 Hz

MXA920 Frequency Response

Frequency response measured directly on-axis from a distance of 6 feet (1.83 m).

Содержание MXA920

Страница 1: ...A920 Ceiling Array Microphone User guide for Shure MXA920 ceiling array microphones Learn how to install square and round mics set up coverage and quickly get great sound in any room Version 0 3 2022...

Страница 2: ...ized Mounting 19 Suspending from the Ceiling 19 Hard Ceiling Mounting 19 Dante Channels 19 IntelliMix DSP 20 DSP Best Practices 20 Acoustic Echo Cancellation 20 Noise Reduction 21 Automatic Gain Contr...

Страница 3: ...Shure Incorporated 3 44 Troubleshooting 38 Specifications 39 MXA920 Frequency Response 40 Dimensions 41 IMPORTANT SAFETY INSTRUCTIONS 42 Important Product Information 43 Information to the user 43...

Страница 4: ...rk Open Designer Check that you re connected to the correct network in Settings Go to Online devices To identify devices click the product icon to flash the lights on a device Find the MXA920 in the l...

Страница 5: ...The default setting is a 30 by 30 foot 9 by 9 meter dynamic coverage area Any talker inside has coverage and anything out side that area won t be picked up To add more coverage areas Go to Your room...

Страница 6: ...iscovery and Dante Controller to the same network Open Shure Web Device Discovery Find the MXA920 in the list of devices and double click to open the web applica tion Step 2 Add Coverage The default s...

Страница 7: ...ut channel Place a test call with the whole conferencing system Adjust coverage gain and DSP as needed MXA920 Parts Mute status LED Customize LED color and behavior in Designer Device configuration Se...

Страница 8: ...wing ways A network switch that provides PoE A PoE injector device Model Variations SKU Description MXA920W S White square microphone MXA920W S 60CM White square microphone 60 cm MXA920AL R Aluminum r...

Страница 9: ...a paper clip or other tool Button locations Square array microphones Behind the grille hole with a silkscreened circle around it Round array microphones Behind the first grille hole to the right of th...

Страница 10: ...t and click Config ure to control device settings Learn more at shure com designer You can also access device settings using Shure Web Device Discovery How to Update Firmware Using Designer Applies to...

Страница 11: ...x of up to 8 dynamic and dedicated coverage areas per microphone If you turn off automatic coverage you can manually steer up to 8 lobes With automatic coverage on or off the MXA920 uses Shure s Autof...

Страница 12: ...lexible coverage which means that the microphone intelligently adapts to cover all talkers in the coverage area Change the size to fit your space and any talker within the boundaries of the coverage a...

Страница 13: ...nside the coverage area To use the no coverage method Move or change the size of dynamic coverage areas to avoid the parts of a room with unwanted sounds Move dedicated coverage areas Move or delete e...

Страница 14: ...e these faders to adjust the gain of a talker after you are satis fied with the automixer s gating behavior Using Designer s Optimize Workflow Designer s Optimize workflow speeds up the process of con...

Страница 15: ...rophones connected to ANI22 BLOCK or ANI4IN BLOCK MX392 MX395 LED MX396 MX405 410 415 To use mute sync route the microphone s signal to a processor that has logic turned on P300 ANIUSB MATRIX or Intel...

Страница 16: ...g grid which is the standard grid size in North America Mounting in such a grid in the above shown configuration is unsafe and may cause damage to the product and or injury to those below The MXA920 S...

Страница 17: ...ension on the safety tether Follow any local regulations Install the microphone in the ceiling grid Flush mount installation only permissible outside United States Installing the Junction Box Accessor...

Страница 18: ...o use on the junction box Remove the 4 screws from the microphone as shown Align the junction box with the screw holes If possible plug the network cable into the microphone before securing the juncti...

Страница 19: ...a pole Suspending from the Ceiling Suspend the microphone using your own equipment or with Shure s A900 GM kit includes mounting cables and hooks To mount using your own equipment you will need Braide...

Страница 20: ...e reduction Compressor Delay To access go to the IntelliMix tab DSP Best Practices Apply DSP blocks as needed Run a test of your system without DSP and then add processing as needed to fix any is sues...

Страница 21: ...al Non Linear Processing The primary component of the acoustic echo canceller is an adaptive filter Non linear processing supplements the adaptive filter to remove any residual echo caused by acoustic...

Страница 22: ...significant difference between audio and video start by using larger intervals of delay time 500 1000 ms When the audio and video are slightly out of sync use smaller intervals to fine tune Compressor...

Страница 23: ...boosts the audio signal below the selected frequency High Cut Rolls off the audio signal above the selected frequency High Shelf Attenuates or boosts the audio signal above the selected frequency Freq...

Страница 24: ...lizer Applications Conferencing room acoustics vary based on room size shape and construction materials Use the guidelines in following ta ble EQ Application Suggested Settings Treble boost for improv...

Страница 25: ...tion to work All Shure devices on your network must use encryption Disable AES67 in Dante Controller AES67 and AES 256 cannot be used at the same time Networking Best Practices When connecting Shure d...

Страница 26: ...y time between devices and channels Dante 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 These latency...

Страница 27: ...s Code Point Standardized identification method for data used in layer 3 QoS prioritization IP Ports and Protocols Shure Control Port TCP UDP Protocol Description Factory De fault 21 tcp FTP Required...

Страница 28: ...variety of Dante de vices Dante audio can coexist safely on the same network as IT and control data or can be configured to use a dedicated net work Compatibility with Dante Domain Manager This devic...

Страница 29: ...0 MXA710 AD4 16 16 Ultimo UltimoX MXA310 ANI4IN ANI4OUT ANIUSB MATRIX ANI22 MXN5 C 2 2 DAL IntelliMix Room 16 16 Learn more about Dante flows in our FAQs or from Audinate AES67 AES67 is a networked au...

Страница 30: ...e an AES67 flow the AES67 session ID and IP address are required Shure devices The transmitting device must support SAP In Dante Controller a transmit device appears as an IP address can be routed lik...

Страница 31: ...step 1 4 Step 2 Mask and Paint Use masking tape to cover the entire extrusion highlighted in black that runs along the inside of the frame This en sures that the necessary metal pieces make contact w...

Страница 32: ...Note The label on the assembly is in the corner that corresponds to the LED Install 6 screws per side to secure the main assembly to the frame Do not over tighten Painting Round Array Microphones The...

Страница 33: ...from the grille Pull from the edges where it is attached with Velcro strips Do not paint the fabric Hold the edges of the black plastic guide in place and pull up on the clear lightpipe to unsnap it L...

Страница 34: ...Shure Incorporated 34 44 6 1 Paint the grille Step 2 Remove and Paint the Back Cover Remove the 7 screws on the aluminum support panel Turn the back cover over...

Страница 35: ...Shure Incorporated 35 44 2 Remove the 12 screws that attach the back cover to the processor enclosure Set the processor enclosure aside with the black board facing up...

Страница 36: ...ck cover Step 3 Reassemble the Microphone Let the paint dry before reassembling Use the 12 screws to attach the back cover to the processor Use the 7 screws to reattach the aluminum support panel Rein...

Страница 37: ...ic commands over the network Many parameters controlled through Designer can be controlled using a third party control system using the appropriate command string Common applications Mute LED color an...

Страница 38: ...r net PoE port on the switch Check network cables and connections Microphone doesn t show up in Designer or Shure Web Device Discovery Ensure that microphone has power Make sure microphone is on the s...

Страница 39: ...ated Dust Protection IEC 60529 IP5X Dust Protected Operating Temperature Range 6 7 C 20 F to 40 C 104 F Storage Temperature Range 29 C 20 F to 74 C 165 F Networking Cable Requirements Cat5e or higher...

Страница 40: ...15 9 ms Automix output Includes IntelliMix processing 26 6 ms Self Noise 18 24 dB SPL A Dynamic Range 77 5 dB Digital Signal Processing Automatic mixing acoustic echo cancellation AEC noise reduction...

Страница 41: ...Weight MXA920 S 11 8 lbs 5 4 kg MXA920 R 12 7 lbs 5 8 kg MXA920 S A Microphone flange 0 41 in 10 5 mm B Edge to edge 23 77 in 603 8 mm C Height 2 15 in 54 69 mm MXA920 S 60CM A Edge to edge 23 38 in...

Страница 42: ...cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus ONLY USE attachments accessories specified by the manufacturer USE o...

Страница 43: ...ence received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the...

Страница 44: ...the Essential Requirements of all relevant European directives and is eligible for CE marking The CE Declaration of Conformity can be obtained from Shure Incorporated or any of its European representa...

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