Table of Contents
Advertisement
C
D
Channels that should play together during
calibration should share a group number (D).
7. Initiate Calibration
Press DIRAC (A) to ready the SP4 for calibration.
A
A popup describing the process will be shown
in the web UI. Verify that you are calibrating the
correct theater or zone based on the correct
profile. If not, cancel and return to step 4. Once
verified, click Start New Calibration.
8. Return to / Open Dirac Live
Calibration Tool Software
Open the DLCT software on your laptop. It will
scan the network and automatically find the
SP4 ready for calibration. If it does not, manually
enter the IP address of the SP4. Click Proceed.
24
9. Configure Microphone
In the Recording Device dropdown menu,
choose the UMIK-1 (A). Load the microphone
calibration file (B) downloaded in step "3.
Prepare Calibration Hardware" on page 23.
Of the two files downloaded, the one marked
"...90degree.txt" is preferred when placing the
microphone in an upward facing direction.
A
B
C
It is wise to save the project (C) along each step
of the calibration in order to make recovery from
interruptions easier. Also, measurements can be
reused in order to regenerate a new filter design
following adjustments to the target curve. Click
Proceed.
10.
Set Levels
A
B
C
Now that the microphone is connected, ensure
that the room is quiet. Adjust the input gain
(A) so the background does not exceed -24dB
in the meters. Set the output volume (B) to a
low level (-40dB for example). Start the test
noise by pressing the PLAY button (C) on the
first channel and adjust the volume to reach
D
D
E
Advertisement
Table of Contents
