Polycom EF2201 Application Note page 11

• Audio amplifier channels – including monaural and stereo amplifiers
• Recording outputs – including monaural and stereo outputs
• SoundStation VTX 1000
• PSTN Telephone outputs
• Video codecs – including Polycom VSX, ViewStation, and iPower
Figure 7. Polycom InstantDesigner Step 2 -- Select Outputs
Audio amplifier channels are the monaural audio channels that are used to drive
loudspeaker zones in the room. Multi-channel amplifiers are often used in practice
and can be specified by increasing the quantity field once the audio amplifier
channel has been selected. If stereo program audio is used with the system, a
stereo amplifier should be selected, even if the stereo pair will built from two
channels of a multi-channel amplifier. This will simplify the automatic sound
reinforcement routing in the next step. In the current example three zone
amplifiers (labeled Front Speakers, Mid Speakers, and Rear Speakers) have been
selected in addition to a stereo amplifier for the stereo program audio.
As with the input selection, select the type and quantity of outputs that are needed
for the design. In the design example in this application note the output selection
will look like Figure 8.
After the output selections have been made, click Next to go to Step 3 – Sound
Reinforcement Zones.
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