User Manual

mic so as to minimize this level.

⑤ [Effect] list box

Specifies the amount of echo cancellation. Higher numeric values allow more echoes to be cancelled. However,

the audio quality will decrease correspondingly, so you should consider the balance between these factors as

you make the adjustment.

⑥ [NR] button

These are on/off switches for the noise reduction function which removes steady-state noise such as produced

by a projector or air conditioner in the local location. We recommend that you leave these on.

⑦ [Distance] knob

This specifies the distance between the installed mic and speaker in units of meters. If multiple mics and

speakers are connected, specify the distance between the mic and speaker that are closest to each other. If the

distance is 2 m or less, set this to 2.

⑧ [To Far-end] channel select button

This button selects the output destination for the audio signals that are output to the remote location (Far-end).

Click the button to open the “Output Patch” dialog box.

⑨ [From Far-end] signal selection buttons

These open the “Input Patch” dialog box, where you can select the audio signals from the remote location (From

Far-end). The button shows the currently selected port or channel.

⑩ [NR] button

These are on/off switches for the noise reduction function which removes steady-state noise such as produced

by a projector or air conditioner in the remote location. We recommend that you leave these on. The audio signal

after noise reduction will be the reference signal (REFERENCE).

⑪ [Far-end Voice] selection buttons

These buttons select the output destinations for the audio signals that are output to the speakers of the local

location. Click a button to open the “Output Patch” dialog box. The button shows the currently selected channel.



It is assumed that the Far-end Voice will be mixed with the Near-end Mic and output from the

speakers. Therefore as seen from the MY4-AEC, the Far-end Voice is output to an input

channel of the MTX.

14. Audio Processors : MTX5-D/MTX3

218 | ProVisionaire Design User Guide