Table of Contents
PLEASE READ BEFORE PROCEEDING!-------------------------------------------------------- 0-3
Table of Contents --------------------------------------------------------------------------------- 0-7
Index--------------------------------------------------------------------------------------------------0-11
----------------------------------------------------------------
SECTION 1 INTRODUCTION
------------------------------------------------------------------------------------------------------- 1-1
A
BOUT THIS
M
ANUAL
------------------------------------------------------------------------------------ 1-1
A
BOUT
V
ERSION
2
S
OFTWARE
-------------------------------------------------------------------------- 1-1
A
UDIO
P
ROCESSING FOR
L
EVEL
C
ONTROL
-------------------------------------------------------------- 1-2
Audio Processing: Making Broadcasts/Netcasts Sound Professional ------------------------- 1-2
Figure 1-1: Unprocessed Audio -------------------------------------------------------------------------- 1-3
Figure 1-2: Same Audio Processed Through OPTIMOD-PC-------------------------------------- 1-3
Audio Processing for Netcasts --------------------------------------------------------------------------- 1-4
Measuring Studio and Transmission Levels ---------------------------------------------------------- 1-4
Figure 1-3: Absolute Peak Level, VU and PPM Reading ----------------------------------------- 1-4
Controlling Program Levels in a Playout System before OPTIMOD-PC --------------------- 1-5
T
HE
OPTIMOD-PC
D
IGITAL
A
UDIO
P
ROCESSOR
----------------------------------------------------- 1-6
General Features----------------------------------------------------------------------------------- 1-7
Adaptability through Multiple Audio Processing Structures ------------------------- 1-9
P
RESETS IN
OPTIMOD-PC-----------------------------------------------------------------------------1-11
Factory Processing Presets ---------------------------------------------------------------------1-11
User Processing Presets -------------------------------------------------------------------------1-12
I
NPUT
/O
UTPUT
C
ONFIGURATION
-----------------------------------------------------------------------1-13
Figure 1-4: OPTIMOD-PC Signal Flow and I/O----------------------------------------------------- 1-13
Digital AES3 Left/Right Input/Output ------------------------------------------------------1-14
Analog Left/Right Input/Output -------------------------------------------------------------1-15
The Orban I/O Mixer -----------------------------------------------------------------------------1-15
Figure 1-5: Typical I/O mixer---------------------------------------------------------------------------- 1-16
O
VERVIEW OF AN
OPTIMOD-PC
I
NSTALLATION
----------------------------------------------------1-17
Simple Operation in One Host Computer -------------------------------------------------1-18
Security ----------------------------------------------------------------------------------------------1-19
Networking OPTIMOD-PC Cards -------------------------------------------------------------1-20
L
OCATION OF
OPTIMOD-PC
FOR
N
ETCASTING
-----------------------------------------------------1-21
Genlocking OPTIMOD-PC Cards to a Reference Sample Frequency ---------------1-22
S
TUDIO
-T
RANSMITTER
L
INK IN
D
IGITAL
B
ROADCASTING
--------------------------------------------1-23
Transmission from Studio to Transmitter -------------------------------------------------1-23
Digital links -------------------------------------------------------------------------------------------------- 1-23
Microwave STLs--------------------------------------------------------------------------------------------- 1-25
Analog Telephone/Landline (PTT/Post Office Line) --------------------------------------------- 1-26
L
OCATION OF
OPTIMOD-PC
IN
D
IGITAL
R
ADIO
S
ERVICE
------------------------------------------1-26
At the Transmitter is Best ------------------------------------------------------------------------------- 1-26
Where Access to the Transmitter is not Possible ------------------------------------------------- 1-26
OPTIMOD-PC at the Transmitter: Gain Control before the STL ----------------------------- 1-27
U
SING
L
OSSY
D
ATA
R
EDUCTION IN THE
A
UDIO
C
HAIN BEFORE
OPTIMOD-PC------------------1-28
I
NTERFACING TO THE
T
RANSMITTER
--------------------------------------------------------------------1-28
Sync Input ---------------------------------------------------------------------------------------------------- 1-28
Sample Rate and Audio Bandwidth ----------------------------------------------------------------- 1-29
Subframe Delay -------------------------------------------------------------------------------------------- 1-29
S
ETTING
O
UTPUT
/M
ODULATION
L
EVELS
--------------------------------------------------------------1-29
M
ONITORING ON
L
OUDSPEAKERS AND
H
EADPHONES
-----------------------------------------------1-30
