Rane ECS RaneWare User Manual download pdf (Page 11)

RW Manual-11

Near Signal Offset signal flow

Query the ECB 62e for the Master Port OPSTAT param-

eter to decide which video feed to switch to. (A preposition is

the wrong thing to end a sentence with.)

Typical default value: 0.35 seconds or more.

Master Mic Delay

This adjustable timer controls the speed at which a Mic

becomes the new Master Mic.

The Master Mic indicates which Last On Mic most

recently detected audio — thus indicating “who” is talking.

There are two reasons this Smart Last On™ Master Mic

idea is patented by Rane:

#1. Unlike most auto mic mixers, Smart Last On uses the

Master Mic Delay to avoid the problem of the current talker’s

Mic Gating Off when others answer or interrupt.

For example, if the chairman is talking and someone else

sneezes, Smart Last On allows the sneeze to be heard, but the

chairman’s Mic will not Gate Off. The chairman’s Mic will

remain the Last On Mic. Other mic mixer’s “last on” may

gate the chairman’s Mic off (particularly if the chairman

pauses) and the sneeze Mic will become the Last On Mic.

This is bad because the chairman must re-gate his Mic on. All

the while, the acoustic echo canceller has been trying to re-

adapt to the quickly changing Mic gates. Also, the camera

may be switching between the sneezer and the chairman.

Smart Last On avoids this problem by forcing the sneezer

to exceed the (adjustable) Master Mic Delay time. Only then

will the chairman’s Mic Gate Off due to the sneezer’s Mic

becoming the Master Mic. Gesundheit!

#2. (Cool stuff.) Master Mic is also extremely useful in

video-follows-audio applications when you need to move the

Program Signal Offset signal flow

camera position to follow “who” is talking. The Master Mic

Delay timer can be adjusted to times beyond the time required

to reply “yes,” or to cough, or shuffle papers. This avoids the

problem of the camera switching over to someone who is

blowing their schnoz.

With the room controller, query the ECB 62e for the

Master Mic OPSTAT parameter to switch to the correct

camera position.

Typical default value: 0.35 seconds or more.

Port Sig Release

Once audio is no longer detected at any Port Input, the

Port indicator shuts off after the Port Signal Release time

has elapsed. This timer is useful in multipoint

videoconferencing when you wish to switch the video back to

a default video location/picture after conversation pauses.

Typical default value: 0.35 seconds or more.

Mic Sig Release

Once audio is no longer detected at any Mic, the Mic

indicator shuts off after the Mic Signal Release time has

elapsed. This timer is useful in video-follows-audio applica-

tions when you wish to switch the camera back to a default

location after conversation pauses.

The Mic Signal Release also affects the time between

when people stop talking and when the various Gates (Mixer

Gate, Noise Gate, Mic Gates, Mixer Suppression and Port 1

Suppression) turn on or off. Adjusting the Mic Signal

Release time can help the psychological timing and comfort

for talkers.

Typical default value: 0.35 seconds or more.

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Rane ECS RaneWare User Manual Page 11

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