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Knowledge Base > Installed Sound DSP > Prism

What tail length does the AEC algorithm support in Composer v5.1 and later?

300 ms.

How many bands does the Flex EQ module support in Composer v5.1 and later?

32 bands.

How many channels can Vias support in Composer v5.1 and later?

64 Channels.

How many inputs and outputs are available on Prism?

The Prism will be available in 4 sizes, 4×4, 8×8, 12×12, or 16×16. Prism is Dante capable, so Symetrix and 3rd party Dante expansion units can be added.

Can the Prism be controlled by RS-232?

Not directly. Due to its small form factor, there wasn’t room for an RS-232 connection on the back of Prism. However, Prism can still be controlled by UDP and TCP/IP over Ethernet. RS-232 control can be added by pairing the Prism with xControl.

How is Prism 4x4 powered?

A PoE+ injector ships with the Prism 4×4, or a PoE+ switch can be used. Prism 8×8, 12×12, and 16×16 will use an external power supply with threaded barrel connector, which will be included.

Does Prism contain any local GPIO or is the xControl needed?

Yes, the Prism does have local GPIO so the xControl is not needed in most cases. The Prism 4×4 has 2 analog control ports (2 pots or 4 switches) and 4 Logic Outputs built in. Prism 8×8, 12×12, and 16×16 have 4 analog control ports (4 pots or 8 switches) and 8 Logic Outputs built in.

Can I direct connect to Prism or do I need a switch?

Yes, direct connection from your PC to Prism hardware is possible with each Prism model with a straight-through CAT-5 cable.  A PoE+ injector is required for Prism 4×4.

Are Symetrix ARCs supported by Prism?

Yes, all of the ARC models are supported by Prism, even the new ARC-3. Of course the ARC-PSe can be used as well.

Does Prisms built in ARC port offer as much power as Radius Edge?

Yes, Prism’s ARC port features 24V, 500 mA output to power connected ARCs, just like Radius and Edge.

Can Prism be daisy-chained with other units?

No, Prism has a single Ethernet port and a single Dante port, so a switch will be required to connect multiple units. Prism will not offer daisy chaining of Ethernet or Dante connections. Dante Redundancy is not an option with Prism.

Can Prism be interfaced with telco systems?

No, although they may be used in conjunction with other products performing this task.

Can Prism be used for directly interfacing with digital input and output sources?

No, although they may be used in conjunction with other products performing this task.

Can Prism be used for acoustic echo cancellation processing?

No, although they may be used in conjunction with other products performing this task.

Will SymVue work with Prism?

Yes, Prism can access all of the features in Composer software available to Radius and Edge including SymVue and ARC-WEB.

Does Prism have any more or less DSP processing power than the Radius or Edge DSP?

Prism can provide the same DSP processing as the Radius and Edge, utilizing a 400 MHz SHARC processor.

Are the microphone preamps and AD/DA converters as good as Radius and Edge?

Yes, Prism uses the same microphone preamps and AD/DA converters as Radius Edge.

Can the Prism 4x4 be rack mounted or surface mounted?

Yes for both! The optional rack mount kit consists of a rack tray and two mounting screws. With this kit, one can rack mount one or two half rack products side-by-side in a single rack space. Alternately, the under table mounting kit consists of a U-shaped bracket and two mounting screws. With this kit, one can secure a single product under a table or to some other flat surface as necessary.

Is Prism’s phantom power 48V?

Yes, Prism’s phantom power is a full 48 VDC @ 10 mA maximum per input.

How much latency is there in Prism?

Analog inputs latency: 0.28 mS, Analog outputs latency: 0.60 mS, Total latency (A/D/A): 0.88 mS, inputs routed to outputs.

How much delay memory is available in Prism?

There is 174 mono seconds of delay memory total available in Prism.

What sample rate does the Prism operate at?

Audio conversion is 24-bit, 48 kHz with internal processing of 40-bit floating point, 48 kHz.

How many Dante channels does Prism support?

Prism supports 64×64 Dante channels just like Edge and Radius.