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Voice Tracking with Sennheiser TCC2
Polling interval:
Polling interval sets the rate of querying the vector from TCC2. Lower rate (longer time period) slows down the
operation, higher rate (shorter time period) fastens.
Maximum preset number:
By factory default there are 63 memory slots prepared for vector information [ 1..63 ] in the system.
Depending on the application, it is possible to determine how many camera settings will be needed for seamless
operation. Increasing number of camera presets/vector memory allows us to cover the whole room area more
accurately. A large number of camera presets/vector memory helps accuracy but can slow down the system
depending on the other parameters below.
AZI parameter tolerance:
This parameter defines the azimuth (horizontal) accuracy measured in degrees.
Hint: The default 20 degrees tolerance may provide the appropriate accuracy in cases when people are sitting in their
chairs during the meeting.
ELEV parameter tolerance:
This parameter defines the elevation (vertical) accuracy measured in degrees.
Hint: The default 20 degrees tolerance may provide the appropriate accuracy in cases when people are sitting in their
chairs during the meeting.
Multiple Sound sources period:
This parameter defines time period. If several vectors arrive from different directions within this period (different
source of sound/speech is detected), situation is evaluated as crowd talking which indicates calling the room total
view camera preset (preset 0).
Single sound source period:
If the vector information continuously indicates that there is no other sound source during this period, the algorithm
will evaluate that as one person is speaking so it will aim the PTZ camera to the speaker.
The parameter determines this time period length.
PTZ movement suspend time:
According to this parameter value the system suspends every PTZ camera movement to improve smooth, seamless
operation. Fast PTZ camera movements can cause discomfort for participants in the room, as well as online.
It is recommended to stay on a particular shot with the camera for a while before changing camera preset. This value
is responsible for this period.
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