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1-4
INTRODUCTION
ORBAN MODEL 1101
sound card combined with a bunch of external hardware.
For applications like commercial insertion, an API provides complete remote admini-
stration over TCP/IP. The OPTIMOD-PC Service application hosts a TCP/IP terminal
server to allow external control of the OPTIMOD-PC cards from either a Telnet/SSH
client or a custom third party application. All OPTIMOD-PC Mixer and System Con-
trols are accessible and all commands are simple text strings. You can adjust and
monitor levels, tweak the processor's sound, save and recall presets, and more.
Password security is provided.
OPTIMOD-PC comes with over 20 great-sounding presets that make it easy to create
a sonic texture that's just right for your target audience. If you want to customize a
preset, you can start with an easy LESS-MORE control, and, if that's not enough,
tweak over 50 parameters to hone your sound to perfection. OPTIMOD-PC's deep
interface will never hold you back as your processing expertise increases, yet its care-
fully crafted design insulates you from the details if you need great sound right
now.
Without OPTIMOD-PC processing, audio can sound dull, thin, or inconsistent in any
combination. OPTIMOD-PC's multiband processing automatically levels and re-
equalizes its input to the "major-market" standards expected by the mass audience.
Broadcasters have known for decades that this polished, produced sound attracts
and holds listeners.
You can expect a considerable increase in loudness from OPTIMOD-PC processing
compared to unprocessed audio (except for audio from recently mastered CDs,
which are often overprocessed in mastering). Broadcasters generally believe that
loudness relative to other stations attracts an audience that perceives the station as
being more powerful than its competition. The same subliminal psychology holds in
netcasting too.
Figure 1-1 on page 1-3 shows a 15-minute snapshot of program audio as it emerged
from the on-air mixer of a major Los Angeles radio station. Source material included
music, speech, and commercials. Notice the large inconsistency in peak and average
level between one program source and the next. Figure 1-2 shows the same material
after being processed through OPTIMOD-PC, using the G
preset. Notice that
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program levels are now consistent from source to source
Audio Processing for Netcasts
Professional-grade netcasting requires audio processing similar to FM broadcast, al-
though there are some important differences in the peak limiting because of the
different characteristics of the pre-emphasized FM channel and the perceptually
coded netcasting channel. In particular, netcasting to mobile devices benefits from
audio processing to overcome external noise.
Your listeners deserve to get the best quality and consistency you can provide. Good
audio processing is one important thing that separates the amateur from the profes-
sional.
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