Media Technology Systems AMX 0.2 User Manual

Page 21

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Bypass!mode.!
!

Note:!The!Input!open!indicator!is!available!as!a!‘look!at!me’!trigger!for!camera!presets!
during!video!conferencing.!The!indicator!can!be!accessed!using!MTS!Control!(see!“MTS!

Cobranet!Interface!Programming!Manual”).!

!

4.3.3.8 Last&mic&on&

!

Type:!Toggle!

Default:!Disabled!
!
When!enabled!the!last!microphone!with!gate!open!will!remain!open!when!the!Hold!time!

expires.!The!Open!indicator!will!remain!lit!and!NOM!indicator!will!show!1!and!priority!
will!show!0.!The!last!mic!will!immediately!close!when!any!other!gate!in!the!system!

opens.!This!feature!can!produce!a!more!natural!responding!system!based!on!the!idea!
that!in!many!conferencing!scenarios,!the!last!to!speak!is!most!likely!the!next!to!speak.!
!

NOM!is!read!and!assessed!when!Hold!time!expires.!If!NOM=1,!the!gate!remains!open.!

!

4.3.3.9 Link&Master&Controls&

!

These!controls!are!only!active!on!the!device!configured!as!the!Link!master.!A!device!is!

configured!as!Link!master!by!the!presence!of!one!or!more!Link!inputs.!

!

4.3.3.10

Link&Master&NOM&attenuation&step&

!

Type:!dB!

Range:!0!to!L6!dB!
Default:!L3!dB!

!
Controls!the!amount!of!gain!reduction!per!doubling!of!the!number!of!open!mics.!With!
only!one!open!mic,!no!gain!reduction!is!introduced.!When!a!second!mic!opens,!the!

number!of!mics!has!doubled!and!gain!of!both!open!channels!is!reduced!by!the!amount!
specified!by!this!control.!A!third!open!mic!will!reduce!gain!by!log2(3)!(approximately!

1.5!times)!this!setting.!A!fourth!open!mic!represents!a!second!doubling!of!open!mics!
reducing!gain!by!two!times!the!setting.!

!

4.3.3.11

NOM&response&time&

!

Type:!Time!
Range:!100!ms!to!10!s!
Default:!1!s!

!
Time!constant!for!moving!from!one!NOM!compensation!gain!setting!to!the!next!in!

response!to!change!in!the!number!of!open!mics!in!the!system.!

!

4.3.3.12

Background&gain&

!

Type:!dB!

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